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AAB MT Chemistry- Practice questions and answers 2023.
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AAB MT Chemistry- Practice questionsand answers 2023
Which of the following aminoacidopathies is NOT caused by an enzyme deficiency?
Choose one answer.
a. phenylketonuria
b. alkaptonuria
c. maple syrup disease
d. cystinuria - Answer d. cystinuria
What method is most commonly used to measure total protein?
Choose one answer.
a. dye binding
b. Kjeldahl
c. Biuret
d. refractometry - Answer c. Biuret
Which of the following is the preferred reagent for measuring albumin by the dye
binding method because there is less interfering substances?
Choose one answer.
a. bromcresol green
b. HABA
c. bromcresol purple
d. methyl orange - Answer c. bromcresol purple
Which of the following proteins is a negative acute phase reactant?
Choose one answer.
a. haptoglobin
b. hemopexin
c. ceruloplasmin
d. transferrin - Answer d. transferrin
Which of the following cardiac markers is the most sensitive for the detection of an
acute myocardial infarction?
Choose one answer.
a. CKMB
b. LD1/LD2 flip
c. troponin
d. myoglobin - Answer c. troponin
Which of the following anticoagulants is acceptable for the measurement of BUN?
Choose one answer.
a. fluoride
b. heparin
c. oxalate
d. citrate - Answer b. heparin
Which of the following analytes must be measured in order to calculate the estimated
glomerular filtration rate (eGFR)?
Choose one answer.
a. urine creatinine
, AAB MT Chemistry- Practice questions
and answers 2023
b. body surface area
c. 24-hour urine volume
d. serum creatinine - 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 - 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 - 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 - 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 - 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 - 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 - Answer d. nephelometry
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