2025/2026 Exam Questions and Answers
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CARBOHYDRATES
1. Following overnight fasting, hypoglycemia in adults is defined as a
glucose of: - 🧠ANSWER ✔✔<45 mg/dL (<2.5 mmol/L)
2. The following results are from a 21 year-old patient with a back injury
who appears otherwise healthy:
Whole Blood Glucose: 77 mg/dL (4.2 mmol/L)
Serum Glucose: 88 mg/dL (4.8 mmol/L)
CSF Glucose: 56 mg/dL (3.1 mmol/L
,The best interpretation of these results is that: - 🧠ANSWER ✔✔All values
are consistent with a normal healthy individual
3. The preparation of a patient for standard glucose tolerance testing
should include: - 🧠ANSWER ✔✔A high carbohydrate diet for 3 days
4. If a fasting glucose was 90 mg/dL, which of the following 2-hour
postprandial glucose results would most closely represent normal glucose
metabolism? - 🧠ANSWER ✔✔100 mg/dL (5.5 mmol/L)
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: -
🧠ANSWER ✔✔50 mg/dL (2.3 mmol/L)
6. A 25-year -old man became nauseated and vomited 90 minutes after
receiving a standard 75 g carbohydrate dose for an oral glucose tolerance
test. The best course of action is to: - 🧠ANSWER ✔✔Draw blood for
glucose and discontinue test
7. Cerebrospinal fluid for glucose assay should be: - 🧠ANSWER
✔✔Analyzed immediately
,8. Which of the following 2-hour postprandial glucose values demonstrates
unequivocal hyperglycemia diagnostic for diabetes mellitus? - 🧠ANSWER
✔✔200 mg/dL (11.0 mmol/L)
9. Serum levels that define hypoglycemia in pre-term or low birth weight
infants are: - 🧠ANSWER ✔✔Lower than adults
10. A 45-year-old woman has a fasting serum glucose concentration of 95
mg/dL (5.2 mmol/L) and a 2-hour postprandial glucose concentration of 105
mg/dL (5.8 mmol/L). The statement which best describes this patient's
fasting serum glucose concentration is: - 🧠ANSWER ✔✔Normal; reflecting
glycogen breakdown by the liver
11. Pregnant women with symptoms of thirst, frequent urination or
unexplained weight loss would have which of the following tests
performed? - 🧠ANSWER ✔✔Glucose tolerance test
12. In the fasting state, the arterial and capillary blood glucose
concentration varies from the venous glucose concentration by
approximately how many mg/dL (mmol/L)? - 🧠ANSWER ✔✔5 mg/dL (0 .27
mmol/L) higher
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, 13. The conversion of glucose or other hexoses into lactate or pyruvate is
called : - 🧠ANSWER ✔✔Glycolysis
14. Which one of the following values obtained during a glucose tolerance
test are diagnostic of diabetes mellitus? - 🧠ANSWER ✔✔Fasting plasma
glucose = 126 mg/dL (6.9 mmol/L)
15. The glycated hemoglobin value represents the integrated values of
glucose concentration during the preceding : - 🧠ANSWER ✔✔6-8 weeks
16. Monitoring long-term glucose control in patient s with adult onset
diabetes mellitus can best be accomplished by measuring: - 🧠ANSWER
✔✔Hgb A1C
17. A patient with Type I, insulin-dependent diabetes mellitus has the
following results:
Test Patient Referenced range
FBS: 150 mg/dL (8.3 mmol/dL) 70-110 mg/dL (mmol/dL)
Hgb A1C: 8.5% 4.0 % - 6.0%
Fructosamine: 2.5 mmol/dL 2.0 - 2.9 mmol/dL