The most commonly affected part of the GIT by tuberculosis is:

Correct Answer: A

Rationale: Intestinal tuberculosis commonly affects the ileocecal region due to its high lymphoid tissue concentration and slow transit time.

Correct Answer: B

Rationale: Aortic valve regurgitation can develop due to progressive damage from turbulent blood flow, leading to volume overload and heart failure.

Correct Answer: B

Rationale: Aplastic anemia leads to a decrease in all blood cell lines, including megakaryocytes, unlike ITP and DIC, where platelet destruction occurs peripherally.

Correct Answer: C

Rationale: D-Transposition of the great arteries is the most common congenital cyanotic heart defect in neonates. It presents with severe cyanosis and requires early intervention to establish adequate mixing of oxygenated and deoxygenated blood.

Correct Answer: D

Rationale: Kernicterus can occur in severe cases of breast milk jaundice, although it is rare. The other statements are true regarding breast milk jaundice.