Of the following, the most accurate description of what occurs in well-defined hyperpituitarism is:

Correct Answer: A

Rationale: Hyperpituitarism (e.g., acromegaly) causes fasting hyperglycemia and reduced glucose tolerance due to excess growth hormone.

Correct Answer: D

Rationale: All listed conditions "hypoglycemia, malnutrition, poisoning, and electrolyte imbalances "can cause stupor or coma.

Correct Answer: B

Rationale: Exophthalmos is a hallmark of thyrotoxicosis (Graves' disease) due to orbital inflammation.

Correct Answer: B

Rationale: Wilson's disease (copper overload) shows Kayser-Fleischer rings in the cornea.

Correct Answer: D

Rationale: Glycogen storage disease may cause hypoglycemia, not directly matched here.