One of the well-known medications that can cause dilated cardiomyopathy

Correct Answer: B

Rationale: Doxorubicin is a chemotherapeutic agent known for its dose-dependent cardiotoxicity, leading to dilated cardiomyopathy due to mitochondrial dysfunction and oxidative stress in cardiac myocytes.

Correct Answer: C

Rationale: Studies show that in utero radiation exposure increases leukemia risk, with an estimated excess risk of 75%. Higher percentages are unrealistic, while lower ones underestimate the risk.

Correct Answer: A

Rationale: Folic acid deficiency leads to megaloblastic anemia with macrocytosis, unlike conditions such as sickle cell disease and beta thalassemia, which cause microcytosis.

Correct Answer: A

Rationale: Short cords are typically associated with wrapping around fetal parts, uterine constraint, and oligohydramnios. Fetal hypotonia is not directly linked to cord length but rather neurological or muscular conditions.

Correct Answer: D

Rationale: Self-biting is not typically classified as a stereotypic movement but rather as a self-injurious behavior.