________ is a means of piercing mucous membranes or the skin barrier through such events as needlestick

When are nasopharyngeal airways contraindicated? 1. When foreign body obstruction already exists 2. In neonatal/pediatric patients 3. In cases of trauma to the nasal region 4. When the jaws of a patient cannot be separated

a. 2 and 4 only b. 2 and 3 only c. 2, 3, and 4 only d. 1, 2, and 3 only

A patient's heart is unable to pump adequate blood supply to vital organs. What is this patient experiencing?

neurogenic shock cardiogenic shock anaphylactic shock hypovolemic shock