Which is not true concerning skin testing for allergic reactivity?

Correct Answer: C

Rationale: Positive skin test results by intradermal testing do not necessarily correlate better with clinical symptoms than puncture tests.

Correct Answer: D

Rationale: Advanced life support (ALS) includes airway management, IV access, and arrhythmia treatment, but not all arrhythmias require immediate ALS interventions.

Correct Answer: B

Rationale: Tachypnea is defined as a respiratory rate above 50 breaths per minute in infants aged 2-12 months.

Correct Answer: C

Rationale: Total anomalous pulmonary venous return can mimic RDS due to similar clinical and radiographic findings. The other conditions have distinct features.

Correct Answer: D

Rationale: All statements are true; CNS leukemia has a poor prognosis, causes increased ICP, is prone to relapse, and can lead to cranial nerve palsies.