Hyperglycemia, Hypoglycemia, and Related Topics MCQs

1. Hyperglycemia occurs in one of the following conditions:
   • A. Addison’s syndrome
   • B. Gilbert’s Syndrome
   • C. Cretinism
   • D. Pheochromocytoma ✅
   • E. Insulinoma


2. Hypoglycemia occurs in:
   • A. Down syndrome
   • B. Hemochromatosis
   • C. Cerebrovascular accidents
   • D. Cushing’s syndrome
   • E. Insulinoma ✅


3. Renal glucosuria is found in:
   • A. Pregnancy✅
   • B. Thyrotoxicosis
   • C. Mal-absorption
   • D. Advanced liver disease
   • E. Cretinism


4. Alimentary glucosuria occurs in one of the following conditions:
   • A. Renal failure
   • B. Advanced liver disease ✅
   • C. Congenital heart disease
   • D. Pregnancy
   • E. Type I D.M.


5. Which of the following leads to a lag storage curve in the OGTT:
   • A. Insulinoma
   • B. Mal-absorption syndrome
   • C. Thyrotoxicosis✅
   • D. Prolactinoma
   • E. Cretinism


6. Which of the following leads to a flat response in the OGTT:
   • A. Mal-absorption syndrome✅
   • B. Hyperpituitarism
   • C. Acromegaly
   • D. Thyrotoxicosis
   • E. Hemochromatosis


7. One of the following statements is true about impaired glucose tolerance:
   • A. An OGTT is not required to assign a patient to this class
   • B. Fasting plasma glucose level is ≥ 126 mg/dl
   • C. 2 hour post load plasma glucose level is ≥140 <200 mg/dl ✅
   • D. Patients never revert to normal glucose tolerance or develop overt DM
   • E. Microvascular disease is common, but there is increased incidence of atherosclerotic disease


8. One of the following statements is true about glycated hemoglobin:
   • A. HbA1 represents 5 – 8 % of HbA
   • B. Hb1Ac represents 15% of HbA1
   • C. It is minimal value in the monitoring of DM
   • D. It reflects glycemic control over the previous 1-2 weeks
   • E. It should be monitored yearly
   • F. HbA1 represents 5 – 8 % of HbA ✅


9. Which of the following leads to hyperglycemia:
   • A. Glomerulonephritis
   • B. Hemochromatosis ✅
   • C. Iron deficiency anemia
   • D. Mediterranean fever
   • E. Obstructive jaundice


10. Which one of the following laboratory findings is expected in DKA:
    • A. Hypokalemia
    • B. Hypernatremia
    • C. Hypophosphatemia ✅
    • D. Prerenal uremia
    • E. High total CO2


11. Which one of the following laboratory findings is expected in DKA :
    • Hypokalemia
    • Hypernatremia
    • Hypophosphatemia
    • Prerenal uremia✅
    • High total co2