Clinical Chemistry Exam 2 2026
Questions and Answers
The preferred collection tube for preservation of glucose is
a) Calcium Oxalate
b) Sodium fluoride
c) Lithium Heparin
d) Sodium Citrate - Correct answer-sodium fluoride
Glycated hemoglobin is measured in units of:
a) Gram %
b) Milligram %
c) % of total hemoglobin
d) % of total protein - Correct answer-% of total hemoglobin
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,Electrolyte disturbances seen in Type I diabetic ketoacidosis include:
a) Decreased plasma calcium
b) Increased plasma potassium
c) Increased plasma pH
d) Increased plasma sodium - Correct answer-Increased plasma potassium
Which of the following is an effective and inexpensive screen for Galactosemia?
a. Affinity Chromatography
b. Clinitest
c. Glucose oxidase
d. Hexokinase
e. Polarographic electrode - Correct answer-Clinitest
The results of the HbA1c of the diabetic patient at her regular semiannual check-up
was 9%. The response to this result should be to:
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,a) Retest with a fasting glucose
b) Retest with a random glucose
c) Repeat the HbA1c test
d) Change therapy - Correct answer-Change therapy
This term means the storage of carbohydrates
a) Glycogenolysis
b) Glycogenesis
c) Glycolysis
d) Fermentation - Correct answer-Glycogenesis
Which of the following inhibits glycolysis and glucose uptake by muscle cells and
causes a rise in blood glucose concentration?
a) Parathyroid hormone
b) Calcitonin
c) Growth hormone
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, d) Gastrin - Correct answer-Growth hormone
Laboratory tests are performed on a post-menopausal, 57-year-old woman as part
of an annual physical examination. The patient's 2-hour post-prandial glucose is
220 mg/dL and
serum insulin is 15 mU/ml (normal = 6-26). Based on this information, the patient
would be classified as:
a) Normal glucose tolerance (NGT)
b) Gestational diabetes mellitus (GDM)
c) Insulin-dependent diabetes mellitus (IDDM)
d) Non-insulin-dependent diabetes mellitus (NIDDM) - Correct answer-Non-
insulin-dependent diabetes mellitus (NIDDM)
The following glucose tolerance test results are indicative of what state? Glucose
values as assayed by glucose oxidase method are fasting, 130 mg/dL; 60 minutes,
225 mg/dL; and 120 minutes, 205 mg/dL.
a) Normal
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Questions and Answers
The preferred collection tube for preservation of glucose is
a) Calcium Oxalate
b) Sodium fluoride
c) Lithium Heparin
d) Sodium Citrate - Correct answer-sodium fluoride
Glycated hemoglobin is measured in units of:
a) Gram %
b) Milligram %
c) % of total hemoglobin
d) % of total protein - Correct answer-% of total hemoglobin
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,Electrolyte disturbances seen in Type I diabetic ketoacidosis include:
a) Decreased plasma calcium
b) Increased plasma potassium
c) Increased plasma pH
d) Increased plasma sodium - Correct answer-Increased plasma potassium
Which of the following is an effective and inexpensive screen for Galactosemia?
a. Affinity Chromatography
b. Clinitest
c. Glucose oxidase
d. Hexokinase
e. Polarographic electrode - Correct answer-Clinitest
The results of the HbA1c of the diabetic patient at her regular semiannual check-up
was 9%. The response to this result should be to:
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,a) Retest with a fasting glucose
b) Retest with a random glucose
c) Repeat the HbA1c test
d) Change therapy - Correct answer-Change therapy
This term means the storage of carbohydrates
a) Glycogenolysis
b) Glycogenesis
c) Glycolysis
d) Fermentation - Correct answer-Glycogenesis
Which of the following inhibits glycolysis and glucose uptake by muscle cells and
causes a rise in blood glucose concentration?
a) Parathyroid hormone
b) Calcitonin
c) Growth hormone
©COPYRIGHT 2025, ALL RIGHTS RESERVED 3
, d) Gastrin - Correct answer-Growth hormone
Laboratory tests are performed on a post-menopausal, 57-year-old woman as part
of an annual physical examination. The patient's 2-hour post-prandial glucose is
220 mg/dL and
serum insulin is 15 mU/ml (normal = 6-26). Based on this information, the patient
would be classified as:
a) Normal glucose tolerance (NGT)
b) Gestational diabetes mellitus (GDM)
c) Insulin-dependent diabetes mellitus (IDDM)
d) Non-insulin-dependent diabetes mellitus (NIDDM) - Correct answer-Non-
insulin-dependent diabetes mellitus (NIDDM)
The following glucose tolerance test results are indicative of what state? Glucose
values as assayed by glucose oxidase method are fasting, 130 mg/dL; 60 minutes,
225 mg/dL; and 120 minutes, 205 mg/dL.
a) Normal
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