The most common skin disorder in children is:

The most common bacterial skin infection in children is:

Honey-colored crusted lesions in children are typical of:

The most common fungal infection in children is:

A child with intense nocturnal itching and burrows in the skin likely has:

The most common vascular birthmark in infants is:

A child with vesicular rash starting on trunk and spreading to face likely has:

Dome-shaped, pearly papules with central umbilication are typical of:

Compared with adults, children have a proportionally:

The narrowest part of the airway in infants is the:

The larynx in infants is located:

Compared with adults, children’s ribs are:

The most common cervical spine injury location in young children is:

The thymus in children compared with adults is:

Compared with adults, children have:

A preterm newborn is diagnosed with a patent ductus arteriosus (PDA). Which of the following drugs is most likely used to close the PDA, and what is its mechanism?