CLINICAL CHEMISTRY TESTS COMPILATION BUNDLE

Clinical 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 ...

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...

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...

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...

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...

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...

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...

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...

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...

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 ...

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...

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...

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...

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...

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...

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...

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...

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 ...

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...

Clinical Chemistry Review| 342 Questions | With Complete Solutions

Clinical Chemistry Final Exam Review| 351 Questions | With Complete Solutions

Clinical 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...

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...

Clinical 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...

Clinical 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 ...

Clinical Chemistry I ASCP review| 467 Questions| With Complete Solutions

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...

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...

CLINICAL 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...

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...

Clinical 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,...

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...