The hard, protective layers at the ends of your phalanges is known as ________.

Which of the following is the proper position for maintaining the airway in a child with a decreased level of consciousness?

A) Flexing the neck to place the chin on the chest; placing a folded towel under the back of the head if necessary B) Placing the head and neck in a neutral position; using a folded towel under the shoulders if necessary C) Using a cervical collar to keep the chin elevated D) Hyperextension of the neck; placing a pillow under the back if necessary

Which of the following can increase pulmonary vascular resistance?

a. Alveolar hypoxia c. Decreased para-sympathetic tone b. Moderate hypox-emia d. Recruitment of pulmonary vessels