AAB MT Chemistry- Practice questions and correct answers

AAB MT Chemistry- Practice questions AND SURE
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1. Which of the following aminoacidopathies is NOT caused by an enzyme defi
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ciency?
Choose one answer. JK JK




a. phenylketonuria
b. alkaptonuria
c. maple syrup disease JK JK




d. cystinuria: d. cystinuria JK JK




2. What method is most commonly used to measure total protein? Ch
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oose one answer.
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a. dye binding JK




b. Kjeldahl
c. Biuret
d. refractometry: c. Biuret JK JK




3. Which of the following is the preferred reagent for measuring albumin by the
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dye binding method because there is less interfering substances? Choose one
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answer.
a. bromcresol green JK




b. HABA
c. bromcresol purple JK




d. methyl orange: c. bromcresol purple JK JK JK JK




4. Which of the following proteins is a negative acute phase reactant? Cho
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ose one answer.
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a. haptoglobin
b. hemopexin
c. ceruloplasmin
d. transferrin: d. transferrin JK JK




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,5. Which of the following cardiac markers is the most sensitive for the detec-
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tion of an acute myocardial infarction?
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Choose one answer.
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a. CKMB
b. LD1/LD2 flip JK




c. troponin
d. myoglobin: c. troponin JK JK




6. Which of the following anticoagulants is acceptable for the measurement of BUN
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?
Choose one answer.
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a. fluoride
b. heparin





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, c. oxalate
d. citrate: b. heparin JK JK




7. Which of the following analytes must be measured in order to calculate the esti
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mated glomerular filtration rate (eGFR)?
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Choose one answer. JK JK




a. urine creatinine JK




b. body surface area JK JK




c. 24-hour urine volume JK JK




d. serum creatinine: d. serum creatinine JK JK JK JK




8. Plasma is the specimen of choice for which of the following analytes? Cho
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ose one answer. JK JK




a. creatinine
b. ammonia
c. blood urea nitrogen JK JK




d. uric acid: b. ammonia JK JK JK




9. What disease state is associated with an elevation of serum uric acid? Cho
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ose one answer. JK JK




a. gout
b. atherosclerosis
c. Reye's syndrome JK




d. diabetes: a. gout JK JK




10. Which one of the following analytes is used as a prognostic indicator for liver
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failure?
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Choose one answer. JK JK




a. uric acid JK




b. cortisol
c. blood urea nitrogen JK JK




d. ammonia: d. ammonia JK JK




11. What statement concerning optical density according to Beers law is tru
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e?
Choose one answer. JK JK




a. it is directly proportional to the concentration
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b. it is proportional to the square root of the absorbance
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c. it is proportional to the square root of the concentration
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d. it is inversely proportional to the concentration: a. it is directly proportional to
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the concentration
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12. What is the light source in atomic absorption spectrophotometry? Ch
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oose one answer. JK JK




a. tungsten

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