To perform a halo test is covering the ear also appropriate?

You are on-scene with an eight-year-old drowning victim who is pulseless and apneic. Chest compressions are being conducted by fellow rescuers while you prepare to intubate the patient. Which of the following endotracheal tube sizes and styles would be most appropriate to intubate the patient orally?

Patients with alcoholism are prone to subdural hematomas and GI bleeding because: A) they fall more frequently than sober people B) their blood clotting mechanisms are impaired C) they are at high risk for violent assaults D) alcoholics are immunocompromised