The death of the infant described in Question 5 could have been prevented by which one of the following measures?

Correct Answer: A

Rationale: Administering vitamin K at birth prevents hemorrhagic disease of the newborn

Correct Answer: A

Rationale: Adenovirus is the most common viral cause of post-bronchiolitis obliterans, a chronic lung disease following severe bronchiolitis.

Correct Answer: C

Rationale: Checking lead levels is important given the association between lead exposure and developmental delays. While physical exams and hearing tests are useful, lead screening addresses potential environmental contributors.

Correct Answer: B

Rationale: A safe correction rate for hypernatremia is ≤12 mmol/L per day to prevent cerebral edema due to rapid fluid shifts.

Correct Answer: A

Rationale: Truancy is not considered normal behavior in young children. It often signals deeper issues such as family disorganization, abuse, or risk behaviors like substance use.