Which of the following classes of drugs was originally obtained from the plant leaves of Digitalis purpurea and Digitalis lanata?
A. Cardiac glycosides
B. Diuretics
C. Angiotensin-converting enzyme inhibitors
D. Angiotensin receptor blockers
Answer: A
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Upon examination, a normal umbilical cord should contain:
a. one artery and one vein c. two arteries and one vein b. one artery and two veins d. two arteries and two veins
A nurse performing a neurological examination is testing the cochlear portion of the acoustic nerve (cranial nerve VIII). Which of the following actions does the nurse take to test this nerve?
A. Asking the client to raise his or her eyebrows and looking for symmetry B. Asking the client to clench the teeth, then palpating the masseter muscles just above the mandibular angle C. Asking the client to close the eyes and then identify light and sharp touch with a cotton ball and a pin on both sides of the face D. Asking the client to close his or her eyes and then indicate when a ticking watch is heard as the nurse brings the watch closer to the client's ear
What is the most important nursing action to reduce transmission of microorganisms during a physical assessment?
a. Clean the bell and diaphragm of the stethoscope between patients. b. Perform hand hygiene. c. Wear gloves when anticipating exposure to body fluids. d. Wear eye protection when anticipating spatter of body fluids.
The nurse is caring for a patient who has liver failure and esophageal varices. The patient is to receive vasopressin (Pitressin) for which of the following purposes?
a. To promote portal circulation b. To maintain blood pressure in a patient with hypotension related to bleeding varices c. To constrict vessels causing bleeding in esophageal varices d. To reduce ammonia buildup and encephalopathy