Exposure to which substance protects the mucosal barrier of the stomach?
a. Prostaglandins
b. Acetylcholine
c. Helicobacter pylori
d. Regurgitated bile
Ans: a. Prostaglandins
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The term for the number of people who report directly to a single manager and encompass the functions of planning, organizing, and leading is the:
a. line of authority. b. hierarchical ladder. c. span of control. d. staffing list.
Which of the following best describes the advantage of patient-controlled analgesia (PCA) for the client following a cesarean birth?
1. The client receives a bolus of the analgesia when pressing the button. 2. The client experiences pain relief within 30 minutes. 3. The client feels a greater sense of control and less dependence on the nursing staff. 4. The client can deliver as many doses of the medication as are needed.
The client is being treated with methenamine. He has been self-medicating with sodium bicarbonate as an antacid. The nurse anticipates that the interaction of these two medications will result in a(n) ____ of methenamine
a. enhanced action b. inhibited action c. toxic level d. anaphylactic reaction
During standard preoperative testing, a nurse notices that a patient's urine has an elevated specific gravity. This finding is an indication that this patient is at risk for
1. Dehydration. 2. Anemia. 3. Ischemia. 4. Impaired renal function.