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AAB MT CHEMISTRY EXAM WITH COMPLETE QUESTIONS AND CORRECT ANSWERS
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AAB MT CHEMISTRY WITH COMPLETE QUESTIONS AND CORRECT ANSWERS
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AAB MT CHEMISTRY WITH COMPLETEQUESTIONS AND CORRECT ANSWERS
A 15-year old male complains of fever, sore throat, swollen lymph
nodes and malaise. Laboratory results are positive for both
infectious mononucleosis and syphilis. What is the best
explanation for the syphilis result?
Choose one answer.
a. false negative
b. false positive
c. true negative
d. true positive Correct Answer b. false positive
Which of the following analytes must be measured in order to
calculate the estimated glomerular filtration rate (eGFR)?
Choose one answer.
a. urine creatinine
b. body surface area
c. 24-hour urine volume
d. serum creatinine Correct Answer d. serum creatinine
Plasma is the specimen of choice for which of the following
analytes?
Choose one answer.
a. creatinine
b. ammonia
c. blood urea nitrogen
d. uric acid Correct Answer b. ammonia
What disease state is associated with an elevation of serum uric
acid?
Choose one answer.
a. gout
,b. atherosclerosis
c. Reye's syndrome
d. diabetes Correct Answer a. gout
Which one of the following analytes is used as a prognostic
indicator for liver failure?
Choose one answer.
a. uric acid
b. cortisol
c. blood urea nitrogen
d. ammonia Correct Answer d. ammonia
What statement concerning optical density according to Beers law
is true?
Choose one answer.
a. it is directly proportional to the concentration
b. it is proportional to the square root of the absorbance
c. it is proportional to the square root of the concentration
d. it is inversely proportional to the concentration Correct Answer
a. it is directly proportional to the concentration
What is the light source in atomic absorption spectrophotometry?
Choose one answer.
a. tungsten
b. deuterium
c. mercury
d. hollow cathode lamp Correct Answer d. hollow cathode lamp
Which analytical method measures the amount of light scattered
by the particles in solution at a 90° angle?
Choose one answer.
a. hydroelectric focusing
b. turbidimetry
c. chemiluminescence
d. nephelometry Correct Answer d. nephelometry
,Ion-selective electrodes are an example of which of the following
electrochemical methods?
Choose one answer.
a. polarography
b. coulometry
c. potentiometry
d. amperometry Correct Answer c. potentiometry
Acridinium esters are commonly used in which of the following
immunoassays?
Choose one answer.
a. radioimmunoassay
b. enzyme immunoassay
c. fluorescence immunoassay
d. chemiluminenscence immunoassay Correct Answer d.
chemiluminenscence immunoassay
What element is reduced at the cathode of a Clark electrode?
Choose one answer.
a. carbon dioxide
b. glucose
c. oxygen
d. potassium Correct Answer c. oxygen
In thin layer chromatography, what is the distance the solute
migrates divided by the distance the solvent migrates?
Choose one answer.
a. Rf
b. pKa
c. Tm
d. Km Correct Answer a. Rf
What is the confirmatory method for measuring drugs on abuse
using the mass-to-charge ratio?
, Choose one answer.
a. thin layer chromatography
b. isoelectric focusing
c. serum protein electrophoresis
d. gas chromatography with mass spectroscopy Correct Answer
d. gas chromatography with mass spectroscopy
What term is used to describe the process of glycogen
degradation?
Choose one answer.
a. glycogenolysis
b. glycogenesis
c. glycolysis
d. gluconeogenesis Correct Answer a. glycogenolysis
What hormone produced by the islets of Langerhans decreases
glucose?
Choose one answer.
a. glucagon
b. insulin
c. epinephrine
d. cortisol Correct Answer b. insulin
A 40-year-old male has a random glucose of 270 mg/dL. This
laboratory finding is consistent with which of the following
conditions?
Choose one answer.
a. von Gierke disease
b. diabetes insipidus
c. insulinoma
d. diabetes mellitus Correct Answer d. diabetes mellitus
Which of the following methods is considered the reference
method for measuring glucose due to its increased accuracy and
sensitivity?
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