Following the birth of a child a women develops symptoms of adrenal and thyroid insufficiency, the most likely cause is:

Correct Answer: C

Rationale: Postpartum pituitary necrosis (Sheehan's syndrome) from bleeding causes adrenal and thyroid insufficiency.

Correct Answer: A

Rationale: Hyperparathyroidism lowers serum phosphorus via renal excretion.

Correct Answer: D

Rationale: SBE is diagnosed with positive blood cultures showing causative organisms.

Correct Answer: B

Rationale: Glucocorticoids must precede thyroid replacement in hypopituitarism to avoid precipitating adrenal crisis.

Correct Answer: D

Rationale: Catecholamines (e.g., epinephrine) promote glycogenolysis, elevating glucose.