1. Following overnight fasting, hypoglycemia in adults is defined as a glucose
of:
a: d
70 mg/dL (d3 . 9 mmol/L)
b: d
60 mg/dL (d3 . 3 mmol/L)
c: d
55 mg/dL (d3 . 0 mmol/L)
d: d
45 mg/dL (d2 .5 mmol/L): c
2. The following results are from a 21-year-old patient with a back injury who
appears otherwise healthy:
-whole blood gluocse: 77 mg/dL
-serum glucose: 88 mg/dL
-CSF glucose: 56 mg/dL
The best interpretation of these results is that:
a: the whole blood and serum values are expected but the CSF value is
elevated
b: the whole blood glucose value should be higher than the serum value
c: all values are consistent with a normal healthy individual
d: the serum and whole blood values should be identical: c
3. The preparation of a patient for standard glucose tolerance testing should
include:
a: a high carbohydrate diet for 3 days
b: a low carbohydrate diet for 3 days
c: fasting for 48 hours prior to testing
d: bed rest for 3 days: a
4. If a fasting glucose was 90 mg/dL, which of the following 2-hour postprandi-
al glucose results would most closely represent normal glucose metabolism?
a: 55 mg/dL
b: 100 mg/dL
c: 180 mg/dL
d: 260 mg/dL: b
5. A healthy person with a blood glucose of 80 mg/dL (4.4 mmol/L) would have
a simultaneously determined cerebrospinal fluid glucose value of:
a: 25 mg/dL
b: 50 mg/dL
c: 100 mg/dL
,d: 150 mg/dL: b
6. A 25-year-old man became nauseated and vomited 90 minutes after receiv-
ing a standard 75 g carbohydrate dose for an oral glucose tolerance test. The
best course of action is to:
a: give the patient a glass of orange juice and continue the test
,b: start the test over immediately with a 50 g carbohydrate dose
c: draw blood for glucose and discontinue test
d: place the patient in a recumbent position, reassure him and continue the
test: c
7. Cerebrospinal fluid for glucose assay should be:
a: refrigerated
b: analyzed immediately
c: heated to 56 degrees C
d: stored at room temperature after centrifugation: b
8. Which of the following 2-hour postprandial glucose values demonstrates
unequivocal hyperglycemia diagnostic for diabetes mellitus?
a: 160 mg/dL
b: 170 mg/dL
c: 180 mg/dL
d: 200 mg/dL: d
9. Serum levels that define hypoglycemia in pre-term or low birth weight
infants are:
a: the same as adults
b: lower than adults
c: the same as a normal full-term infant
d: higher than a normal full-term infant: b
10. A 45-year-old woman has a fasting serum glucose concentration of 95
mg/dL and a 2-hour postprandial glucose concentration of 105 mg/dL. The
statement which best describes this patient's fasting serum glucose concen-
tration is:
a: normal; reflecting glycogen breakdown by the liver
b: normal; reflecting glycogen breakdown by skeletal muscle
c: abnormal; indicating diabetes mellitus
d: abnormal; indicating hypoglycemia: a
11. Pregnant women with symptoms of thirst, frequent urination or unex-
plained weight loss should have which of the following tests performed?
a: tolbutamide test
b: lactose tolerance test
c: epinephrine tolerance test
d: glucose tolerance test: d
12. In the fasting state, the arterial and capillary blood glucose concentration
varies from the venous glucose concentration by approximately how many
mg/dL?
a: 1 mg/dL
, b: 5 mg/dL
c: 10 mg/dL
d: 15 mg/dL: b
13. The conversion of glucose or other hexoses into lactate or pyruvate is
called:
a: glycogenesis
b: glycogenolysis
c: gluconeogenesis
d: glycolysis: d
14. Which one of the following values obtained during a glucose tolerance test
are diagnostic of diabetes mellitus?
a: 2-hour specimen = 150 mg/dL
b: fasting plasma glucose= 126 mg/dL
c: fasting plasma glucose = 110 mg/dL
d: 2-hour specimen = 180 mg/dL: b
15. Monitoring long-term glucose control in patients with adult onset diabetes
mellitus can best be accomplished by measuring:
a: weekly fasting 7 am serum glucose
b: glucose tolerance testing
c: 2-hour postprandial serum glucose
d: HgbA1c: d
16. A patient with type 1 diabetes, insulin-dependent diabetes mellitus has the
following results:
-fasting blood glucose: 150 mg/dL (70-110 mg/dL)
-HgbA1c: 8.5% (4.0-6.0%)
-fructosamine: 2.5 mmol/L (2.0-2.9 mmol/L)
After reviewing these test results, the technologist concluded that the patient
is in a:
a: "steady state" of metabolic control
b: state of flux, progressively worsening metabolic control
c: improving state of metabolic control as indicated by fructosamine
d: state of flux as indicted by the fasting glucose level: c
17. Total glycosylated hemoglobin levels in a hemolysate reflect the:
a: average blood glucose levels of the past 2-3 months
b: average blood glucose levels for the past week
c: blood glucose level at the time the sample is drawn
d: HgbA1c level at the time the sample is drawn: a
18. Which of the following glycosylated hemoglobins is recommended by the
ADA guidelines for testing diabetic patients?
of:
a: d
70 mg/dL (d3 . 9 mmol/L)
b: d
60 mg/dL (d3 . 3 mmol/L)
c: d
55 mg/dL (d3 . 0 mmol/L)
d: d
45 mg/dL (d2 .5 mmol/L): c
2. The following results are from a 21-year-old patient with a back injury who
appears otherwise healthy:
-whole blood gluocse: 77 mg/dL
-serum glucose: 88 mg/dL
-CSF glucose: 56 mg/dL
The best interpretation of these results is that:
a: the whole blood and serum values are expected but the CSF value is
elevated
b: the whole blood glucose value should be higher than the serum value
c: all values are consistent with a normal healthy individual
d: the serum and whole blood values should be identical: c
3. The preparation of a patient for standard glucose tolerance testing should
include:
a: a high carbohydrate diet for 3 days
b: a low carbohydrate diet for 3 days
c: fasting for 48 hours prior to testing
d: bed rest for 3 days: a
4. If a fasting glucose was 90 mg/dL, which of the following 2-hour postprandi-
al glucose results would most closely represent normal glucose metabolism?
a: 55 mg/dL
b: 100 mg/dL
c: 180 mg/dL
d: 260 mg/dL: b
5. A healthy person with a blood glucose of 80 mg/dL (4.4 mmol/L) would have
a simultaneously determined cerebrospinal fluid glucose value of:
a: 25 mg/dL
b: 50 mg/dL
c: 100 mg/dL
,d: 150 mg/dL: b
6. A 25-year-old man became nauseated and vomited 90 minutes after receiv-
ing a standard 75 g carbohydrate dose for an oral glucose tolerance test. The
best course of action is to:
a: give the patient a glass of orange juice and continue the test
,b: start the test over immediately with a 50 g carbohydrate dose
c: draw blood for glucose and discontinue test
d: place the patient in a recumbent position, reassure him and continue the
test: c
7. Cerebrospinal fluid for glucose assay should be:
a: refrigerated
b: analyzed immediately
c: heated to 56 degrees C
d: stored at room temperature after centrifugation: b
8. Which of the following 2-hour postprandial glucose values demonstrates
unequivocal hyperglycemia diagnostic for diabetes mellitus?
a: 160 mg/dL
b: 170 mg/dL
c: 180 mg/dL
d: 200 mg/dL: d
9. Serum levels that define hypoglycemia in pre-term or low birth weight
infants are:
a: the same as adults
b: lower than adults
c: the same as a normal full-term infant
d: higher than a normal full-term infant: b
10. A 45-year-old woman has a fasting serum glucose concentration of 95
mg/dL and a 2-hour postprandial glucose concentration of 105 mg/dL. The
statement which best describes this patient's fasting serum glucose concen-
tration is:
a: normal; reflecting glycogen breakdown by the liver
b: normal; reflecting glycogen breakdown by skeletal muscle
c: abnormal; indicating diabetes mellitus
d: abnormal; indicating hypoglycemia: a
11. Pregnant women with symptoms of thirst, frequent urination or unex-
plained weight loss should have which of the following tests performed?
a: tolbutamide test
b: lactose tolerance test
c: epinephrine tolerance test
d: glucose tolerance test: d
12. In the fasting state, the arterial and capillary blood glucose concentration
varies from the venous glucose concentration by approximately how many
mg/dL?
a: 1 mg/dL
, b: 5 mg/dL
c: 10 mg/dL
d: 15 mg/dL: b
13. The conversion of glucose or other hexoses into lactate or pyruvate is
called:
a: glycogenesis
b: glycogenolysis
c: gluconeogenesis
d: glycolysis: d
14. Which one of the following values obtained during a glucose tolerance test
are diagnostic of diabetes mellitus?
a: 2-hour specimen = 150 mg/dL
b: fasting plasma glucose= 126 mg/dL
c: fasting plasma glucose = 110 mg/dL
d: 2-hour specimen = 180 mg/dL: b
15. Monitoring long-term glucose control in patients with adult onset diabetes
mellitus can best be accomplished by measuring:
a: weekly fasting 7 am serum glucose
b: glucose tolerance testing
c: 2-hour postprandial serum glucose
d: HgbA1c: d
16. A patient with type 1 diabetes, insulin-dependent diabetes mellitus has the
following results:
-fasting blood glucose: 150 mg/dL (70-110 mg/dL)
-HgbA1c: 8.5% (4.0-6.0%)
-fructosamine: 2.5 mmol/L (2.0-2.9 mmol/L)
After reviewing these test results, the technologist concluded that the patient
is in a:
a: "steady state" of metabolic control
b: state of flux, progressively worsening metabolic control
c: improving state of metabolic control as indicated by fructosamine
d: state of flux as indicted by the fasting glucose level: c
17. Total glycosylated hemoglobin levels in a hemolysate reflect the:
a: average blood glucose levels of the past 2-3 months
b: average blood glucose levels for the past week
c: blood glucose level at the time the sample is drawn
d: HgbA1c level at the time the sample is drawn: a
18. Which of the following glycosylated hemoglobins is recommended by the
ADA guidelines for testing diabetic patients?
