Answer:
No; the study is based on a volunteer sample, which may be very different from a randomly selected one.
Explanation
Her plan cannot be effective because she could base her own judgenent on samples that was randomly selected for consideration.
Just go look on some of the questions on Bradley I'm sure you'll find the answer there
Your first action in managing this patient should be TO PERFORM A JAW THRUST. The jaw thrust is a first aid strategy that is usually perform on trauma patients in order to prevent the tongue from blocking the upper airways. The jaw thrust should be perform when the patient is in a supine position.
