Clinical
Chemistry MCQ
with complete
verified
solutions already
graded A+
The preferred collection tube for preservation of glucose is
a) Calcium Oxalate
b) Sodium fluoride
c) Lithium Heparin
d) Sodium Citrate - answer sodium fluoride
Glycated hemoglobin is measured in units of:
a) Gram %
b) Milligram %
,c) % of total hemoglobin
d) % of total protein - answer % of total hemoglobin
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 - 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 - 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:
a) Retest with a fasting glucose
b) Retest with a random glucose
c) Repeat the HbA1c test
d) Change therapy - answer Change therapy
This term means the storage of carbohydrates
,a) Glycogenolysis
b) Glycogenesis
c) Glycolysis
d) Fermentation - 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
d) Gastrin - 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) - 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
b) Diabetes
c) Addison's disease
d) Hyperinsulinism - answer Diabetes
Glucose oxidase oxidizes glucose to gluconic acid and:
a) CO2
b) H2O2
c) HCO3-
d) O2 - answer H2O2
Insulin may be described by all of the following EXCEPT:
a) Synthesized from proinsulin
b) Synthesized by beta cells in the pancreas
c) Active in its C-peptide form
d) Two-chain polypeptide
e) Combines with insulin receptors - answer Active in its C-peptide
form
The diabetic patient is having a routine check-up at the clinic. In
order to determine the patient's level of maintenance of control of
the disease, the laboratory will perform:
a) Fasting glucose
b) Glycated hemoglobin
c) Postprandial glucose
d) Lactate - answer Glycated hemoglobin
Chemistry MCQ
with complete
verified
solutions already
graded A+
The preferred collection tube for preservation of glucose is
a) Calcium Oxalate
b) Sodium fluoride
c) Lithium Heparin
d) Sodium Citrate - answer sodium fluoride
Glycated hemoglobin is measured in units of:
a) Gram %
b) Milligram %
,c) % of total hemoglobin
d) % of total protein - answer % of total hemoglobin
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 - 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 - 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:
a) Retest with a fasting glucose
b) Retest with a random glucose
c) Repeat the HbA1c test
d) Change therapy - answer Change therapy
This term means the storage of carbohydrates
,a) Glycogenolysis
b) Glycogenesis
c) Glycolysis
d) Fermentation - 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
d) Gastrin - 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) - 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
b) Diabetes
c) Addison's disease
d) Hyperinsulinism - answer Diabetes
Glucose oxidase oxidizes glucose to gluconic acid and:
a) CO2
b) H2O2
c) HCO3-
d) O2 - answer H2O2
Insulin may be described by all of the following EXCEPT:
a) Synthesized from proinsulin
b) Synthesized by beta cells in the pancreas
c) Active in its C-peptide form
d) Two-chain polypeptide
e) Combines with insulin receptors - answer Active in its C-peptide
form
The diabetic patient is having a routine check-up at the clinic. In
order to determine the patient's level of maintenance of control of
the disease, the laboratory will perform:
a) Fasting glucose
b) Glycated hemoglobin
c) Postprandial glucose
d) Lactate - answer Glycated hemoglobin
