Dilated cardiomyopathy is characterized by:

Correct Answer: A

Rationale: Dilated cardiomyopathy results in impaired contractility, leading to heart failure and chamber dilation.

Correct Answer: C

Rationale: Topical mupirocin is effective against Staphylococcus aureus a common pathogen in impetigo.

Correct Answer: C

Rationale: Digitalis is not used in resuscitation because it has no role in acute life support and may worsen arrhythmias in critical situations.

Correct Answer: C

Rationale: Congenital diaphragmatic hernia (CDH) presents with respiratory distress, a scaphoid abdomen due to abdominal contents herniating into the thorax, and decreased breath sounds. It requires urgent intervention to prevent pulmonary hypoplasia complications.

Correct Answer: D

Rationale: Digitalis is used to manage chronic cardiac conditions but is not a first-line drug in resuscitation.