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

Correct Answer: A

Rationale: Serious illnesses often cause compensatory responses like tachycardia and increased respiratory rate, but blood pressure may not necessarily rise, especially in shock.

Correct Answer: D

Rationale: Takayasu arteritis can cause pulselessness, hypertension, and fatigue due to large-vessel inflammation, making 'All of the above' the correct answer.

Correct Answer: A

Rationale: Breath-holding spells are often linked to iron deficiency anemia and typically resolve by age 5. They are not seizures or solely expressed as tonic movements.

Correct Answer: D

Rationale: Mixed cellularity Hodgkin lymphoma is the most common subtype in children and is associated with Epstein-Barr virus. It presents with widespread lymphadenopathy and systemic symptoms. Nodular sclerosis is more common in adolescents and young adults.

Correct Answer: C

Rationale: Renal tubular acidosis causes normal anion gap metabolic acidosis, not high anion gap metabolic acidosis.