The presence of electrical wires at the rescue scene indicates a possible threat of:

What is the minimum number of times you should exercise weekly to build cardiovascular endurance?

A) 2 B) 5 C) 3 D) 10

Approximately 10 seconds into an intubation attempt, you catch a glimpse of the patient's vocal cords, but quickly lose sight of them. You should:

A) sweep the patient's tongue to the right side of the mouth and revisualize. B) abort the intubation attempt and ventilate the patient with a bag-mask device. C) ask your partner to apply backward, upward, rightward pressure to the thyroid. D) gently pry back on the laryngoscope to improve your view of the upper airway.