A nurse explains to a nursing assistant that the incentive spirometer is used to prevent:
A. Lung collapse
B. Blood clotting
C. Stomach and intestinal problems
D. Decreases in blood pressure
A
A. Encourage use of incentive spirometer, which promotes lung expansion.
B and C. Early ambulation promotes circulation, lung expansion, and peristalsis.
D. Wound can hemorrhage quickly during early postoperative period. Observations of wound and dressings provide data to measure progress of wound healing and prevents hypotension.
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The nurse educator is teaching a group of nursing students to assess heart sounds. Which response by a student indicates appropriate understanding of how S2 heart sounds are produced?
1. "It results from the closure of the mitral valve." 2. "It is a result from the closure of the semilunar valves." 3. "It results from the closure of the tricuspid valve." 4. "It is caused by atrial contraction and ejection of blood into the ventricles in late diastole."
The nurse explains that in the event of an invasion of an allergen, the basophils release a strong vasodilator, which is:
a. lysozyme. b. prothrombin. c. hematocrit. d. histamine.
Cardiac rehabilitation programs for clients who had a myocardial infarction are critical for which of the following persons?
a. a 40-year-old man c. a 55-year-old man b. a 40-year-old woman d. a 75-year-old man
During assessment of a client, a nurse suspects that the client is experiencing anxiety. Which of the following would support the nurse's suspicion? Select all that apply
A) Facial flushing B) Tense posture C) Extreme restlessness D) Somnolence E) Facial grimaces