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[Show more]The liver converts ammonia (from the breakdown of amino acids) into _________ which is excreted by the kidneys. correct answer: Urea 
 
Urea nitrogen makes up about _____ of the total NPN in the blood. correct answer: 45% 
 
Urea is _______ filtered by the kidneys, but approximately half of the fi...
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Add to cartThe liver converts ammonia (from the breakdown of amino acids) into _________ which is excreted by the kidneys. correct answer: Urea 
 
Urea nitrogen makes up about _____ of the total NPN in the blood. correct answer: 45% 
 
Urea is _______ filtered by the kidneys, but approximately half of the fi...
Alanine Aminotransferase (ALT) correct answer: enzyme present in high concentration in liver and that is measured to assess liver function; SGPT 
 
Alkaline Phosphatase (ALP or AP) correct answer: enzyme widely distributed in the body, especially in the liver and bone 
 
Aspartate Aminotransferase...
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Add to cartAlanine Aminotransferase (ALT) correct answer: enzyme present in high concentration in liver and that is measured to assess liver function; SGPT 
 
Alkaline Phosphatase (ALP or AP) correct answer: enzyme widely distributed in the body, especially in the liver and bone 
 
Aspartate Aminotransferase...
define clinical chemistry correct answer: the analysis of body substances & interpretation of resultant data as an *AID* to diagnosis, prognosis, and treatment 
 
*implies a pathologic change can be distinguished from a non-pathologic change* 
 
*requires a point of reference for making a compariso...
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Add to cartdefine clinical chemistry correct answer: the analysis of body substances & interpretation of resultant data as an *AID* to diagnosis, prognosis, and treatment 
 
*implies a pathologic change can be distinguished from a non-pathologic change* 
 
*requires a point of reference for making a compariso...
Sample Collection and Handling correct answer: 1.- Serum (red top) for most chemistry tests 
2.- Plama- Heparin better than oxalate, EDTA, citrate 
3.-Heparin (on ice)-ammonia, blood gases 
 
4.- Sodium fluoride (gray top) 
a) Glucose (prevents glycolysis) 
b) NOT for BUN (inhibits urease) 
5.- Aci...
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Add to cartSample Collection and Handling correct answer: 1.- Serum (red top) for most chemistry tests 
2.- Plama- Heparin better than oxalate, EDTA, citrate 
3.-Heparin (on ice)-ammonia, blood gases 
 
4.- Sodium fluoride (gray top) 
a) Glucose (prevents glycolysis) 
b) NOT for BUN (inhibits urease) 
5.- Aci...
Which of the following is the percent concentration of a solution (w/v) containing 300g of MgCl2 dissolved in 2.5L of distilled water? 
a. 12% 
b. 13% 
c. 24% 
d. 25% correct answer: a. 12% 
 
Which of the following is the molarity of a solution containing 400g of HCl dissolved in 1.5 liters of dis...
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Add to cartWhich of the following is the percent concentration of a solution (w/v) containing 300g of MgCl2 dissolved in 2.5L of distilled water? 
a. 12% 
b. 13% 
c. 24% 
d. 25% correct answer: a. 12% 
 
Which of the following is the molarity of a solution containing 400g of HCl dissolved in 1.5 liters of dis...
Idexx Catalyst and advantage correct answer: newer improved blood chemistry profile machine 
-don't have to test all 16 components of blood chemistry at once, can test more than one sample at once 
 
What is needed for Sample Collection correct answer: blood, plasma or serum 
 
Blood should be (p...
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Add to cartIdexx Catalyst and advantage correct answer: newer improved blood chemistry profile machine 
-don't have to test all 16 components of blood chemistry at once, can test more than one sample at once 
 
What is needed for Sample Collection correct answer: blood, plasma or serum 
 
Blood should be (p...
1. Which of the following is considered a lipid? 
 
a. Chylomicrons 
b. LDL 
c. Cholesterol 
d. HDL correct answer: c 
 
2. In the laboratory procedure for the quantification of HDL, the purpose of the dextran sulfate is to: 
 
a. Precipitate all Apo A1 containing lipoproteins 
b. Covert cholest...
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Add to cart1. Which of the following is considered a lipid? 
 
a. Chylomicrons 
b. LDL 
c. Cholesterol 
d. HDL correct answer: c 
 
2. In the laboratory procedure for the quantification of HDL, the purpose of the dextran sulfate is to: 
 
a. Precipitate all Apo A1 containing lipoproteins 
b. Covert cholest...
Glucose testing is done in which tube? correct answer: Grey, sodium flouride 
 
Electrolytes that increase in plasma during hemolysis? correct answer: K+, LD, ALD, ACP, Mg2+, PO4 
 
Glucose levels decrease ____mg/dL per hour? correct answer: 10 mg/dL 
 
Fasting glucose RR? correct answer: 70-99 ...
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Add to cartGlucose testing is done in which tube? correct answer: Grey, sodium flouride 
 
Electrolytes that increase in plasma during hemolysis? correct answer: K+, LD, ALD, ACP, Mg2+, PO4 
 
Glucose levels decrease ____mg/dL per hour? correct answer: 10 mg/dL 
 
Fasting glucose RR? correct answer: 70-99 ...
Increased sodium loss, increased water retention correct answer: Causes of hyponatremia 
 
Hypoaldosteronism, K deficiency, diuretic use, salt-losing nephropathy, severe burns correct answer: Causes of increased sodium loss 
 
Renal failure, SIADH, nephrotic syndrome, chronic heart failure, hepati...
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Add to cartIncreased sodium loss, increased water retention correct answer: Causes of hyponatremia 
 
Hypoaldosteronism, K deficiency, diuretic use, salt-losing nephropathy, severe burns correct answer: Causes of increased sodium loss 
 
Renal failure, SIADH, nephrotic syndrome, chronic heart failure, hepati...
Enzymes that can bind only one substrate and catalyze one reaction exhibit which type of binding specificity? correct answer: Absolute binding 
 
The rate of an enzymatic reaction will ___________________ for every 10 degrees C temperature increase until the enzyme denatures. correct answer: Doubl...
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Add to cartEnzymes that can bind only one substrate and catalyze one reaction exhibit which type of binding specificity? correct answer: Absolute binding 
 
The rate of an enzymatic reaction will ___________________ for every 10 degrees C temperature increase until the enzyme denatures. correct answer: Doubl...
Spectrophotometry correct answer: Measures the array of lights or radiant energy absorbed or transmitted 
 
Beer-Lambert's Law correct answer: Concentration of a substance is directly proportional to the amount of light absorbed, or the logarithm of transmitted light 
 
Exciter lamp correct answe...
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Add to cartSpectrophotometry correct answer: Measures the array of lights or radiant energy absorbed or transmitted 
 
Beer-Lambert's Law correct answer: Concentration of a substance is directly proportional to the amount of light absorbed, or the logarithm of transmitted light 
 
Exciter lamp correct answe...
CK is storage of high-energy _____ in muscle cells correct answer: Creatine phosphate 
 
Highest activities of CK are in these tissues correct answer: CNS, Heart, Skeletal muscle 
 
Forward Reaction used in CK determination correct answer: Tanzer-Givarg 
 
Measure ____ in absorbance at _____ corr...
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Add to cartCK is storage of high-energy _____ in muscle cells correct answer: Creatine phosphate 
 
Highest activities of CK are in these tissues correct answer: CNS, Heart, Skeletal muscle 
 
Forward Reaction used in CK determination correct answer: Tanzer-Givarg 
 
Measure ____ in absorbance at _____ corr...
Spectrophotometer correct answer: Measures concentration in a solution by calculating absorbance from the transmitted light 
 
Beer's law correct answer: Concentration of a substance is directly proportional to absorbed light or inversely proportional to the logarithm of transmitted light 
 
Fluo...
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Add to cartSpectrophotometer correct answer: Measures concentration in a solution by calculating absorbance from the transmitted light 
 
Beer's law correct answer: Concentration of a substance is directly proportional to absorbed light or inversely proportional to the logarithm of transmitted light 
 
Fluo...
Bilirubin will develop a violet color after adding correct answer: Methyl Alcohol 
 
A urine exhibits yellow foam upon on being shaken should be suspected of having increase concentration of correct answer: Bilirubin 
 
An enzyme may be defined as correct answer: Biological Catalyst 
 
Hemolysis ...
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Add to cartBilirubin will develop a violet color after adding correct answer: Methyl Alcohol 
 
A urine exhibits yellow foam upon on being shaken should be suspected of having increase concentration of correct answer: Bilirubin 
 
An enzyme may be defined as correct answer: Biological Catalyst 
 
Hemolysis ...
Bessy-lowry brock correct answer: not a procedure for determining glucose 
 
Calcium correct answer: reciprocal of phosphorus 
 
Theophylline correct answer: drug will relax the smooth muscles of the bronchial passage 
 
Van handel-zilversmit correct answer: colorimetric principle for triglyceri...
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Add to cartBessy-lowry brock correct answer: not a procedure for determining glucose 
 
Calcium correct answer: reciprocal of phosphorus 
 
Theophylline correct answer: drug will relax the smooth muscles of the bronchial passage 
 
Van handel-zilversmit correct answer: colorimetric principle for triglyceri...
Clinical Chemistry Exam 5 Questions With Complete Solutions
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Add to cartClinical Chemistry Exam 5 Questions With Complete Solutions
Which of the following is considered a lipid? correct answer: Cholesterol 
 
According to the National Cholesterol Education Program, which lipid or lipoprotein class is more important for therapeutic decision making? correct answer: LDL 
 
WHAT MECHANISM ACCOUNTS FOR THE ELEVATED PLASMA LEVEL OF ...
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Add to cartWhich of the following is considered a lipid? correct answer: Cholesterol 
 
According to the National Cholesterol Education Program, which lipid or lipoprotein class is more important for therapeutic decision making? correct answer: LDL 
 
WHAT MECHANISM ACCOUNTS FOR THE ELEVATED PLASMA LEVEL OF ...
Nelson-Somogyi method - blue; copper reduction 
Dubowski reaction - orthotoluidine/condensation method correct answer: Glucose 
 
Van Handel Zilversmit method - chromotropic acid + H2SO4 correct answer: Triglyceride 
 
Lieberman Burchard reaction correct answer: Free cholesterol 
 
Biuret reactio...
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Add to cartNelson-Somogyi method - blue; copper reduction 
Dubowski reaction - orthotoluidine/condensation method correct answer: Glucose 
 
Van Handel Zilversmit method - chromotropic acid + H2SO4 correct answer: Triglyceride 
 
Lieberman Burchard reaction correct answer: Free cholesterol 
 
Biuret reactio...
What is acidosis correct answer: a ph below 7.35 
 
What is alkalosis correct answer: a ph above the reference 7.45 
 
Normal range of ph correct answer: 7.35-7.45 
 
How does the lungs help regulate ph correct answer: retention or elimination of co2 by changing the rate or volume of ventilation...
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Add to cartWhat is acidosis correct answer: a ph below 7.35 
 
What is alkalosis correct answer: a ph above the reference 7.45 
 
Normal range of ph correct answer: 7.35-7.45 
 
How does the lungs help regulate ph correct answer: retention or elimination of co2 by changing the rate or volume of ventilation...
AAS correct answer: Measures the light asorbed by atoms dissociated by heat; uses diffraction gratings 
 
Cholinesterase/pseudocholinesterase correct answer: Decrease in hepatocyte injury 
 
Enzymatic correct answer: Cholesterol ester to cholesterol and fatty acids 
 
Albumin or A/G ratio correct...
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Add to cartAAS correct answer: Measures the light asorbed by atoms dissociated by heat; uses diffraction gratings 
 
Cholinesterase/pseudocholinesterase correct answer: Decrease in hepatocyte injury 
 
Enzymatic correct answer: Cholesterol ester to cholesterol and fatty acids 
 
Albumin or A/G ratio correct...
Potassium - Major Intracellular cation 
 
Electrolytes - Ions capable of carrying an electric charge 
 
Anions, cations - Two types of Ions 
 
Anions - Ions that carry (-) charge and move toward the anode 
 
Cl, HCO3, PO4 - Example of anions 
 
Cations - Ions that carry (+) charge and move toward th...
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Add to cartPotassium - Major Intracellular cation 
 
Electrolytes - Ions capable of carrying an electric charge 
 
Anions, cations - Two types of Ions 
 
Anions - Ions that carry (-) charge and move toward the anode 
 
Cl, HCO3, PO4 - Example of anions 
 
Cations - Ions that carry (+) charge and move toward th...
The total protein biuret method measures? correct answer: Biuret reacts with the peptide bonds in protein. Forms complex between peptide bonds + cupric ions (Cu2+) 
 
Reference range of serum protein correct answer: 6.2-8.5 g/dL 
 
Reference range of CSF protein correct answer: 15-45mg/dL 
 
If a...
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Add to cartThe total protein biuret method measures? correct answer: Biuret reacts with the peptide bonds in protein. Forms complex between peptide bonds + cupric ions (Cu2+) 
 
Reference range of serum protein correct answer: 6.2-8.5 g/dL 
 
Reference range of CSF protein correct answer: 15-45mg/dL 
 
If a...
clinical laboratory water is used for correct answer: •in preparation of reagents. 
•as a diluent for controls and calibrators. 
•to flush and clean internal components of analyzers. 
•as a medium in heating bath to incubate cuvettes. 
•to wash and rinse laboratory glassware. 
 
Revolutio...
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Add to cartclinical laboratory water is used for correct answer: •in preparation of reagents. 
•as a diluent for controls and calibrators. 
•to flush and clean internal components of analyzers. 
•as a medium in heating bath to incubate cuvettes. 
•to wash and rinse laboratory glassware. 
 
Revolutio...
Wavelength correct answer: Distance between 2 successive peaks (nm) 
Lower Frequency = Longer wavelength (RED) 
Higher frequency = Shorter wavelength (VIOLET) 
 
Spectrophotometric measurement correct answer: measures light intensity in a narrower wavelength 
 
Photometric measurement correct answ...
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Add to cartWavelength correct answer: Distance between 2 successive peaks (nm) 
Lower Frequency = Longer wavelength (RED) 
Higher frequency = Shorter wavelength (VIOLET) 
 
Spectrophotometric measurement correct answer: measures light intensity in a narrower wavelength 
 
Photometric measurement correct answ...
Causes of blood urea nitrogen (BUN) increase correct answer: - decreased Glomerular Filtration rate 
- increased urea production of liver 
- increased dietary protein and GI bleeding 
 
Causes of creatinine Increase correct answer: - less than 25% of original renal function 
- Muscle damage 
- de...
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Add to cartCauses of blood urea nitrogen (BUN) increase correct answer: - decreased Glomerular Filtration rate 
- increased urea production of liver 
- increased dietary protein and GI bleeding 
 
Causes of creatinine Increase correct answer: - less than 25% of original renal function 
- Muscle damage 
- de...
A creatinine clearance is done on a patient with the following results: serum creatinine, 0.6 mg/dL; urine creatinine, 102 mg/dL; urine volume, 1650 mL/24 hours; body surface area, 1.93 m2 (avg BSA is 1.73m2). This patient's creatinine clearance, corrected for body surface area, is: 
A. 217 mL/min ...
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Add to cartA creatinine clearance is done on a patient with the following results: serum creatinine, 0.6 mg/dL; urine creatinine, 102 mg/dL; urine volume, 1650 mL/24 hours; body surface area, 1.93 m2 (avg BSA is 1.73m2). This patient's creatinine clearance, corrected for body surface area, is: 
A. 217 mL/min ...
Thayer-Martin antibiotics and what they inhibit correct answer: Vancomycin - Gram Positive 
Trimethoprim - Proteus 
Colistin - Gram Negative 
Yeast - Nystatin 
 
The persistent survival of microorganisms on a surface of the human body: correct answer: Colonization 
 
What bacteria is associated wi...
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Add to cartThayer-Martin antibiotics and what they inhibit correct answer: Vancomycin - Gram Positive 
Trimethoprim - Proteus 
Colistin - Gram Negative 
Yeast - Nystatin 
 
The persistent survival of microorganisms on a surface of the human body: correct answer: Colonization 
 
What bacteria is associated wi...
101) Random error would be caused by: 
a. contaminated reagents. 
b. pipetting errors. 
c. inappropriate preparation of calibrators. 
d. low volume reagent blanks. correct answer: B 
 
102) According to CLIA regulations, a score of _____ must be attained on three consecutive external proficiency te...
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Add to cart101) Random error would be caused by: 
a. contaminated reagents. 
b. pipetting errors. 
c. inappropriate preparation of calibrators. 
d. low volume reagent blanks. correct answer: B 
 
102) According to CLIA regulations, a score of _____ must be attained on three consecutive external proficiency te...
Role of Lipids correct answer: -Precursor for steroid hormone synthesis 
-Insulators for nerve conduction and heat retention 
-Rich source of energy & efficient way to store excess calories 
-Role in cell membranes 
 
Chylomicrons correct answer: transporting triglycerides to the liver 
 
VLDLs co...
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Add to cartRole of Lipids correct answer: -Precursor for steroid hormone synthesis 
-Insulators for nerve conduction and heat retention 
-Rich source of energy & efficient way to store excess calories 
-Role in cell membranes 
 
Chylomicrons correct answer: transporting triglycerides to the liver 
 
VLDLs co...
Pipette correct answer: Used to transfer or measure aliquots of a liquid. 
 
glass or plastic correct answer: Pipettes are usually made of 
 
Aliquot correct answer: refers to a portion of a larger hole 
 
Pasteur Pipette correct answer: a disposable pipette that is routinely used in the laborat...
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Add to cartPipette correct answer: Used to transfer or measure aliquots of a liquid. 
 
glass or plastic correct answer: Pipettes are usually made of 
 
Aliquot correct answer: refers to a portion of a larger hole 
 
Pasteur Pipette correct answer: a disposable pipette that is routinely used in the laborat...
Which is not a major cardiac marker? 
 
a. Troponin 
b. CK-MB 
c. CK-MM 
d. Myoglobin 
e. All are major cardiac markers correct answer: C 
 
(CK-M is found in skeletal muscles) 
 
A pt diagnosed with heart failure will most likely have which of the following cardiac markers? 
 
a. BNP 
b. Homocyste...
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Add to cartWhich is not a major cardiac marker? 
 
a. Troponin 
b. CK-MB 
c. CK-MM 
d. Myoglobin 
e. All are major cardiac markers correct answer: C 
 
(CK-M is found in skeletal muscles) 
 
A pt diagnosed with heart failure will most likely have which of the following cardiac markers? 
 
a. BNP 
b. Homocyste...
Hydrolase that catalyzes hydrolysis of various phosphomonoesters at an acidic pH (5.0) correct answer: Acid phosphatase 
 
ACP is predominant in ___ correct answer: Prostate 
 
Nonprostatic ACPs are found in ___ correct answer: Bone, liver, spleen, kidney, RBC, and platelets 
 
New marker as a di...
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Add to cartHydrolase that catalyzes hydrolysis of various phosphomonoesters at an acidic pH (5.0) correct answer: Acid phosphatase 
 
ACP is predominant in ___ correct answer: Prostate 
 
Nonprostatic ACPs are found in ___ correct answer: Bone, liver, spleen, kidney, RBC, and platelets 
 
New marker as a di...
Which of the following compounds is an anticonvulsant used to control tonic-clonic (grand mal) seizures? correct answer: Phenytoin 
 
To achieve "steady state", a drug should be administered _________ correct answer: every time it reaches half-life 
 
Following the entrance of a drug into the va...
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Add to cartWhich of the following compounds is an anticonvulsant used to control tonic-clonic (grand mal) seizures? correct answer: Phenytoin 
 
To achieve "steady state", a drug should be administered _________ correct answer: every time it reaches half-life 
 
Following the entrance of a drug into the va...
Reverse osmosis (RO) is describes as a process: correct answer: In which water is forced through a semipermeable membrane that acts as molecular filter. 
 
Activated carbon filters remove: correct answer: Organic Compounds from water 
 
A 0.22 micron filter will remove: correct answer: Particles ...
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Add to cartReverse osmosis (RO) is describes as a process: correct answer: In which water is forced through a semipermeable membrane that acts as molecular filter. 
 
Activated carbon filters remove: correct answer: Organic Compounds from water 
 
A 0.22 micron filter will remove: correct answer: Particles ...
Disposal of infectious materials: Off-site activation correct answer: Packaging and shipping of untreated wastes to an offsite facility for inactivation and disposal Stericycle 
 
Spectrophotometry correct answer: 
 
Automation Analyzers correct answer: Continuous Flow 
Liquids are pumped throug...
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Add to cartDisposal of infectious materials: Off-site activation correct answer: Packaging and shipping of untreated wastes to an offsite facility for inactivation and disposal Stericycle 
 
Spectrophotometry correct answer: 
 
Automation Analyzers correct answer: Continuous Flow 
Liquids are pumped throug...
Clinical Chemistry Review| 342 Questions | With Complete Solutions
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Add to cartClinical Chemistry Review| 342 Questions | With Complete Solutions
Clinical Chemistry Final Exam Review| 351 Questions | With Complete Solutions
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Add to cartClinical Chemistry Final Exam Review| 351 Questions | With Complete Solutions
Clinical Chemistry (Clinical Chemistry, Blood Gases, Electrolytes, Toxicology) Questions With Complete Solutions
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Add to cartClinical Chemistry (Clinical Chemistry, Blood Gases, Electrolytes, Toxicology) Questions With Complete Solutions
Proteins correct answer: Essential components of cells and body fluids. Some made by body, others acquired from diet. Provides information about state of hydration, nutrition and liver function, since most serum proteins are made in the liver. 
 
Electrolytes correct answer: sodium (Na), potassium...
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Add to cartProteins correct answer: Essential components of cells and body fluids. Some made by body, others acquired from diet. Provides information about state of hydration, nutrition and liver function, since most serum proteins are made in the liver. 
 
Electrolytes correct answer: sodium (Na), potassium...
respiratory acidosis correct answer: hypoventilation 
accumulate CO2 by lungs due to hypoventilation 
body compensates (kidney) by increasing renal excretion of H+ions with increased HCO3 RECOVERY 
 
respiratory alkalosis correct answer: hyperventilation 
EXCESSIVE elimination of volatile acid CO2...
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Add to cartrespiratory acidosis correct answer: hypoventilation 
accumulate CO2 by lungs due to hypoventilation 
body compensates (kidney) by increasing renal excretion of H+ions with increased HCO3 RECOVERY 
 
respiratory alkalosis correct answer: hyperventilation 
EXCESSIVE elimination of volatile acid CO2...
Clinical Chemistry Practice Exam| 228 Questions | With Complete Solutions
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Add to cartClinical Chemistry Practice Exam| 228 Questions | With Complete Solutions
Disposal of infectious materials: Off-site activation correct answer: Packaging and shipping of untreated wastes to an offsite facility for inactivation and disposal Stericycle 
 
Spectrophotometry correct answer: 
 
Automation Analyzers correct answer: Continuous Flow 
Liquids are pumped throug...
Preview 3 out of 30 pages
Add to cartDisposal of infectious materials: Off-site activation correct answer: Packaging and shipping of untreated wastes to an offsite facility for inactivation and disposal Stericycle 
 
Spectrophotometry correct answer: 
 
Automation Analyzers correct answer: Continuous Flow 
Liquids are pumped throug...
Clinical Laboratory Exam MCQs| 585 Questions| With Complete Solutions
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Add to cartClinical Laboratory Exam MCQs| 585 Questions| With Complete Solutions
1) Following overnight fasting, hypoglycemia in adults is defined as a glucose of: 
a. <70 mg/dL (<3.9 mmol/L) 
b. <60 mg/dL (<3.3mmol/L) 
c. <55 mg/dL (<3.0mmol/L) 
d. <45mg/dL (<2.5mmol/L) correct answer: d (Diagnosis of hypoglycemia in adults.) 
 
3) The preparation of a ...
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Add to cart1) Following overnight fasting, hypoglycemia in adults is defined as a glucose of: 
a. <70 mg/dL (<3.9 mmol/L) 
b. <60 mg/dL (<3.3mmol/L) 
c. <55 mg/dL (<3.0mmol/L) 
d. <45mg/dL (<2.5mmol/L) correct answer: d (Diagnosis of hypoglycemia in adults.) 
 
3) The preparation of a ...
Clinical Chemistry I ASCP review| 467 Questions| With Complete Solutions
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Accuracy correct answer: The closeness with which a measurement comes to the true value 
 
Precision correct answer: The degree of reproducibility in the measurement of a substance 
 
Mean correct answer: Sum of all of a set divided by the number in the set (average) 
 
Median correct answer: Th...
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Add to cartAccuracy correct answer: The closeness with which a measurement comes to the true value 
 
Precision correct answer: The degree of reproducibility in the measurement of a substance 
 
Mean correct answer: Sum of all of a set divided by the number in the set (average) 
 
Median correct answer: Th...
A patient sample for uric acid gave an absorbance reading of 0.4; the 50 mg/dL standard used in the test gave an absorbance reading of 0.1. What is the concentration of uric acid in the patient's sample in grams per deciliter? correct answer: 0.2 g/dL 
 
Which statement describe optimal conditions...
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Add to cartA patient sample for uric acid gave an absorbance reading of 0.4; the 50 mg/dL standard used in the test gave an absorbance reading of 0.1. What is the concentration of uric acid in the patient's sample in grams per deciliter? correct answer: 0.2 g/dL 
 
Which statement describe optimal conditions...
CLINICAL CHEMISTRY EXAM| 104 QUESTIONS | WITH COMPLETE SOLUTIONS
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Add to cartCLINICAL CHEMISTRY EXAM| 104 QUESTIONS | WITH COMPLETE SOLUTIONS
Sample Collection and Handling correct answer: 1.- Serum (red top) for most chemistry tests 
2.- Plama- Heparin better than oxalate, EDTA, citrate 
3.-Heparin (on ice)-ammonia, blood gases 
 
4.- Sodium fluoride (gray top) 
a) Glucose (prevents glycolysis) 
b) NOT for BUN (inhibits urease) 
5.- Aci...
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Add to cartSample Collection and Handling correct answer: 1.- Serum (red top) for most chemistry tests 
2.- Plama- Heparin better than oxalate, EDTA, citrate 
3.-Heparin (on ice)-ammonia, blood gases 
 
4.- Sodium fluoride (gray top) 
a) Glucose (prevents glycolysis) 
b) NOT for BUN (inhibits urease) 
5.- Aci...
Which formula correctly describes the relationship between absorbance and %T ? 
 
A. A = 2 - log %T 
B. A = log 1/T 
C. A = -log T 
D. All of these options correct answer: D. All of these options 
 
D Absorbance is proportional to the inverse log of transmittance. 
A = -log T = log 1/T 
Multiplying...
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Add to cartWhich formula correctly describes the relationship between absorbance and %T ? 
 
A. A = 2 - log %T 
B. A = log 1/T 
C. A = -log T 
D. All of these options correct answer: D. All of these options 
 
D Absorbance is proportional to the inverse log of transmittance. 
A = -log T = log 1/T 
Multiplying...
Clinical Chemistry Practice Exam Questions With Complete Solutions
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Add to cartClinical Chemistry Practice Exam Questions With Complete Solutions
Glucose, fasting correct answer: RR: 70-99mg/dL 
 
^(hyperglycemia): Diabetes melitus, pancreatitis 
 
v(hypoglycemia): insulinoma, insulin-induced hypoglycemia, hypopituitarism 
 
Cholesterol, total correct answer: RR: <200 mg/dL desirable 
 
limited value for predicting risk of CAD by itself,...
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Add to cartGlucose, fasting correct answer: RR: 70-99mg/dL 
 
^(hyperglycemia): Diabetes melitus, pancreatitis 
 
v(hypoglycemia): insulinoma, insulin-induced hypoglycemia, hypopituitarism 
 
Cholesterol, total correct answer: RR: <200 mg/dL desirable 
 
limited value for predicting risk of CAD by itself,...
What is the molarity for a solution containing 100 g of NaCl made up to 500 mL with distilled water? Assume a gram molecular weight (from periodic table) of approximately 58 grams. 
a. 3.45 M 
b. 1.72 M 
c. 290 M 
d. 5.27 M correct answer: a. 3.45 M 
 
What is the normality for a solution contai...
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Add to cartWhat is the molarity for a solution containing 100 g of NaCl made up to 500 mL with distilled water? Assume a gram molecular weight (from periodic table) of approximately 58 grams. 
a. 3.45 M 
b. 1.72 M 
c. 290 M 
d. 5.27 M correct answer: a. 3.45 M 
 
What is the normality for a solution contai...
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