Physiological responses to serious illness include an increase in the following Except:

Correct Answer: A

Rationale: In many critical illnesses, blood pressure may initially increase but later drop as shock progresses.

Correct Answer: D

Rationale: Allergic reactions are unpredictable and not dose-dependent, unlike drug toxicity and interactions.

Correct Answer: B

Rationale: Bone marrow transplantation is a definitive treatment for severe aplastic anemia.

Correct Answer: A

Rationale: Prednisolone alone may be less effective for severe renal involvement.

Correct Answer: C

Rationale: Infections, particularly bacterial pneumonia, are the leading cause of pleural effusion in children.