Sulfonylurea hypoglycaemics act by

Correct Answer: D

Rationale: Sulfonylureas boost insulin secretion and may improve receptor sensitivity, enhancing glucose control.

Correct Answer: B

Rationale: Guar gum, a fiber, slows gastric emptying and carbohydrate absorption, reducing glucose peaks.

Correct Answer: C

Rationale: Aldosterone upregulates Na+/K+ ATPase synthesis, enhancing sodium reabsorption.

Correct Answer: D

Rationale: Insulin is preferred in gestational diabetes to avoid fetal risks from oral agents like sulfonylureas.

Correct Answer: D

Rationale: Insulin promotes triglyceride synthesis; somatostatin inhibits release, structure varies by species, and release occurs beyond postprandial states.