AMT MT(AMT) FINAL
ASSESSMENT EXAM
In absorption spectrophotometry:
A) Absorbance is directly proportional to transmittance
B) Percent transmittance is directly proportional to concentration
C) Percent transmittance is directly proportional to the light path length
D) Absorbance is directly proportional to concentration Ans- Absorbance is directly
proportional to concentration
Which formula correctly described the relationship between absorbance and %T?
A) A=2-log%T
B) A=2+log%T
C) A= -log%T - 2
D) A=1+log%T Ans- A=2-log%T
3.
Which element is reduced at the cathode of a Clark polarographic electrode?
A) Silver
B) Oxygen
C) Chloride
D) Potassium Ans- Oxygen
4.
Which of the following best represents the reference (normal) range for arterial pH?
A) 7.35-7.45
B) 7.42-7.52
C) 7.28-7.68
D) 6.85-7.56 Ans- 7.35-7.45
5.
What is the normal ration of bicarbonate to dissolved carbon dioxide in arterial blood?
A) 1:10
B) 10:1
C) 20:1
D) 30:1 Ans- 20:1
6.
A patient's blood gas results are as follows: pH = 7.26; dco2=2.0mmol/L; HCO3-
=29mmol/L. These results would be classified as:
A) Metabolic acidosis
B) Metabolic alkalosis
C) Respiratory acidosis
,D) Respiratory alkalosis Ans- respiratory acidosis
7.
Which of the following is the primary mechanism of compensation for metabolic
acidosis?
A) Hyperventilation
B) Aldosterone release
C) Release of epinephrine
D) Bicarbonate excretion Ans- Hyperventilation
8.
Which of the following conditions will cause an increased anion gap?
A) Diarrhea
B) Hypoaldosteronism
C) Hyperkalemia
D) Renal failure Ans- Renal failure
9.
Which of the following conditions is associated with hypophosphatemia?
A) Rickets
B) Multiple myeloma
C) Renal failure
D) Hypervitaminosis D Ans- Rickets
10.
Which of the following conditions is associated with hypokalemia?
A) Addison's disease
B) Hemolytic anemia
C) Digoxin intoxication
D) Alkalosis Ans- Alkalosis
11.
Which of the following condition is associated with hypernatremia?
A) Diabetes insipidus
B) Hypoaldosteronism
C) Burns
D) Diarrhea Ans- Diabetes insipidus
12.
Which of the following values is the threshold critical value for low plasma potassium?
A) 1.5mmol/L
B) 2.0mmol/L
C) 2.5mmol/L
D) 3.5mmol/L Ans- 2.5 mmol/L
13.
,Which electrolyte level best correlates with plasma osmolality?
A) Sodium
B) Chloride
C) Bicarbonate
D) Calcium
: Ans- Sodium
14.
Which of the following is characteristic of type 1 diabetes mellitus?
A) Requires an oral glucose tolerance test for diagnosis
B) Is the most common form of diabetes mellitus
C) Usually occurs after age 40
D) Requires insulin replacement to prevent ketosis Ans- Requires insulin replacement
to prevent ketosis
15.
Which of the following is the reference method for measuring serum glucose?
A) Somogyi-Nelson
B) Hexokinase
C) Glucose oxidase
D) Glucose dehydrogenase Ans- Hexokinase
16.
Creatinine is formed from the:
A) Oxidation of creatine
B) Oxidation of protein
C) Deamination of dibasic amino acids
D) Metabolism of purines Ans- oxidation of creatine
17.
Urea is produced from:
A) The catabolism of proteins and amino acids
B) Oxidation of purines
C) Oxidation of pyrimidines
D) The breakdown of complex carbohydrates Ans- The catabolism of proteins and
amino acids
18.
Blood ammonia levels are usually measured in order to evaluate
A) Renal failure
B) Acid-base status
C) Hepatic coma
D) Gastrointestinal malabsorption Ans- Hepatic coma
19.
Select the lipoprotein fraction that carries most of the endogenous triglycerides
, A) VDRL
B) LDL
C) HDL
D) Chylomicrons Ans- VDRL
20.
Which apoprotein is inversely related to risk for coronary heart disease?
A) Apoprotein A-I
B) Apoprotein B
C) Apoprotein C-II
D) Apoprotein E-IV Ans- Apoprotein A-I
21.
Which condition produces the highest elevation of serum lactate dehydrogenase?
A) Pernicious anemia
B) Myocardial infarction
C) Acute hepatitis
D) Muscular dystrophy Ans- Pernicious anemia
22.
A patient has a plasma myoglobin level of 10µg/L at admission. Three hours later the
myoglobin is 14µ/L and the Troponin I is 0.04µg/L (reference range 0-0.04µg/L). These
results are consistent with which condition?
A) Skeletal muscle injury
B) Acute MI
C) Unstable angina
D) No evidence of myocardial or skeletal muscle injury Ans- No evidence of
myocardial or skeletal muscle
23.
Select the most sensitive marker for alcoholic liver disease
A) GLD
B) ALT
C) AST
D) GGT Ans- GGT
24.
Hyperparathyroidism is most consistently associated with:
A) Hypocalcemia
B) Hypocalcuria
C) Hypophosphatemia
D) Metabolic alkalosis Ans- Hypophosphatemia
25.
Which of the following diseases is characterized by primary hyperaldosteronism caused
by adrenal adenoma, carcinoma, or hyperplasia?
ASSESSMENT EXAM
In absorption spectrophotometry:
A) Absorbance is directly proportional to transmittance
B) Percent transmittance is directly proportional to concentration
C) Percent transmittance is directly proportional to the light path length
D) Absorbance is directly proportional to concentration Ans- Absorbance is directly
proportional to concentration
Which formula correctly described the relationship between absorbance and %T?
A) A=2-log%T
B) A=2+log%T
C) A= -log%T - 2
D) A=1+log%T Ans- A=2-log%T
3.
Which element is reduced at the cathode of a Clark polarographic electrode?
A) Silver
B) Oxygen
C) Chloride
D) Potassium Ans- Oxygen
4.
Which of the following best represents the reference (normal) range for arterial pH?
A) 7.35-7.45
B) 7.42-7.52
C) 7.28-7.68
D) 6.85-7.56 Ans- 7.35-7.45
5.
What is the normal ration of bicarbonate to dissolved carbon dioxide in arterial blood?
A) 1:10
B) 10:1
C) 20:1
D) 30:1 Ans- 20:1
6.
A patient's blood gas results are as follows: pH = 7.26; dco2=2.0mmol/L; HCO3-
=29mmol/L. These results would be classified as:
A) Metabolic acidosis
B) Metabolic alkalosis
C) Respiratory acidosis
,D) Respiratory alkalosis Ans- respiratory acidosis
7.
Which of the following is the primary mechanism of compensation for metabolic
acidosis?
A) Hyperventilation
B) Aldosterone release
C) Release of epinephrine
D) Bicarbonate excretion Ans- Hyperventilation
8.
Which of the following conditions will cause an increased anion gap?
A) Diarrhea
B) Hypoaldosteronism
C) Hyperkalemia
D) Renal failure Ans- Renal failure
9.
Which of the following conditions is associated with hypophosphatemia?
A) Rickets
B) Multiple myeloma
C) Renal failure
D) Hypervitaminosis D Ans- Rickets
10.
Which of the following conditions is associated with hypokalemia?
A) Addison's disease
B) Hemolytic anemia
C) Digoxin intoxication
D) Alkalosis Ans- Alkalosis
11.
Which of the following condition is associated with hypernatremia?
A) Diabetes insipidus
B) Hypoaldosteronism
C) Burns
D) Diarrhea Ans- Diabetes insipidus
12.
Which of the following values is the threshold critical value for low plasma potassium?
A) 1.5mmol/L
B) 2.0mmol/L
C) 2.5mmol/L
D) 3.5mmol/L Ans- 2.5 mmol/L
13.
,Which electrolyte level best correlates with plasma osmolality?
A) Sodium
B) Chloride
C) Bicarbonate
D) Calcium
: Ans- Sodium
14.
Which of the following is characteristic of type 1 diabetes mellitus?
A) Requires an oral glucose tolerance test for diagnosis
B) Is the most common form of diabetes mellitus
C) Usually occurs after age 40
D) Requires insulin replacement to prevent ketosis Ans- Requires insulin replacement
to prevent ketosis
15.
Which of the following is the reference method for measuring serum glucose?
A) Somogyi-Nelson
B) Hexokinase
C) Glucose oxidase
D) Glucose dehydrogenase Ans- Hexokinase
16.
Creatinine is formed from the:
A) Oxidation of creatine
B) Oxidation of protein
C) Deamination of dibasic amino acids
D) Metabolism of purines Ans- oxidation of creatine
17.
Urea is produced from:
A) The catabolism of proteins and amino acids
B) Oxidation of purines
C) Oxidation of pyrimidines
D) The breakdown of complex carbohydrates Ans- The catabolism of proteins and
amino acids
18.
Blood ammonia levels are usually measured in order to evaluate
A) Renal failure
B) Acid-base status
C) Hepatic coma
D) Gastrointestinal malabsorption Ans- Hepatic coma
19.
Select the lipoprotein fraction that carries most of the endogenous triglycerides
, A) VDRL
B) LDL
C) HDL
D) Chylomicrons Ans- VDRL
20.
Which apoprotein is inversely related to risk for coronary heart disease?
A) Apoprotein A-I
B) Apoprotein B
C) Apoprotein C-II
D) Apoprotein E-IV Ans- Apoprotein A-I
21.
Which condition produces the highest elevation of serum lactate dehydrogenase?
A) Pernicious anemia
B) Myocardial infarction
C) Acute hepatitis
D) Muscular dystrophy Ans- Pernicious anemia
22.
A patient has a plasma myoglobin level of 10µg/L at admission. Three hours later the
myoglobin is 14µ/L and the Troponin I is 0.04µg/L (reference range 0-0.04µg/L). These
results are consistent with which condition?
A) Skeletal muscle injury
B) Acute MI
C) Unstable angina
D) No evidence of myocardial or skeletal muscle injury Ans- No evidence of
myocardial or skeletal muscle
23.
Select the most sensitive marker for alcoholic liver disease
A) GLD
B) ALT
C) AST
D) GGT Ans- GGT
24.
Hyperparathyroidism is most consistently associated with:
A) Hypocalcemia
B) Hypocalcuria
C) Hypophosphatemia
D) Metabolic alkalosis Ans- Hypophosphatemia
25.
Which of the following diseases is characterized by primary hyperaldosteronism caused
by adrenal adenoma, carcinoma, or hyperplasia?