Always perform a patient assessment and take a history to determine whether a drug is indicated. A known drug allergy to the intended drug is always a(n):

Nitric oxide is effective in the treatment of pulmonary hypertension in neonates because it causes which of the following?

a. Peripheral vasocon-striction c. Platelet adhesion b. Macrophage cyto-toxicity d. Vasodilatation

Which of the following would you consider recommending for a home care patient receiving na-sal CPAP who complains of severe nasal dryness?

1. Room vaporizer 2. Heat and moisture exchanger (HME) 3. In-line humidifier 4. Saline nasal spray a. 2 and 4 only b. 1, 3, and 4 only c. 1, 2 and 3 only d. 1, 2, 3, and 4