What is the most important cause of pulmonary artery constriction?

a. Low alveolar partial pressure of arterial oxygen (PaO2)
b. Hyperventilation
c. Respiratory alkalosis
d. Epinephrine


Answer: a. Low alveolar partial pressure of arterial oxygen (PaO2)

Nursing

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The nurse prepares to administer vancomycin (Vancocin) to an older adult. Which laboratory test should the nurse review before administering this medication?

a. Stool culture c. Creatinine clearance b. Serum potassium d. Alkaline phospha-tase

Nursing

Which nursing action is most appropriate following administration of glucose to an infant with a Dextrostix of 30?

a. Apply a pulse oximeter. b. Keep the infant under the warmer. c. Recheck the blood glucose level in 30 mi-nutes. d. Transfer the infant to the NICU.

Nursing

Therapeutic management of the child with acute diarrhea and dehydration usually begins with

a. Clear liquids b. Adsorbents, such as kaolin and pectin c. Oral rehydration solution (ORS) d. Antidiarrheal medications such as paregoric

Nursing

A patient who had a hypophysectomy 3 days ago begins to have 3000 mL of urine output every shift and complains of thirst and a dry mouth. The nurse interprets these signs as possible:

a. overreaction to diuretics. b. diabetes insipidus. c. diabetes mellitus. d. glucose intolerance.

Nursing