c21.pdf - Chapter 21 The Neurologic System deWit Medical-Surgical Nursing Concepts Practice 3rd Edition MULTIPLE CHOICE 1 The nurse is caring for the

c21.pdf - Chapter 21 The Neurologic System deWit...

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Chapter 21: The Neurologic System deWit: Medical-Surgical Nursing: Concepts & Practice, 3rd EditionMULTIPLE CHOICE1. The nurse is caring for the patient who has had an injury to the hypothalamus. Which intervention is most important for the nurse to implement? a. Closely control room temperature.b. Monitor for signs of hemorrhage.c. Protect the patients eyes from bright lights.d. Turn the patient hourly to maintain skin integrity.ANS: A
The hypothalamus regulates body temperature; therefore, it is important to maintain adequate temperature control of the environment since the bodys ability to regulate the temperature will be affected by injury to the organ. Bleeding, photophobia, and skin integrity are not issues associated with the hypothalamus.PTS: 1 DIF: Cognitive Level: Application REF: 473, Table 21-1 OBJ: 6 (theory) TOP: Hypothalamus KEY: Nursing Process Step: Planning MSC: NCLEX: Physiological Integrity: Basic Care and Comfort 2. The nurse differentiates the sympathetic from the parasympathetic nervous systems. Which statement about the sympathetic system is accurate?
The sympathetic nervous system gears upthe body for fight or flightsituations with epinephrine that will raise the blood pressure (BP), reduce bowel motility, and energize the whole body to defend itself in a stressful situation. The parasympathetic system slows the heart rate after stress, supports deep sleep, and relaxes blood vessels.PTS: 1 DIF: Cognitive Level: Knowledge REF: 475, Table 21-3 OBJ: 2 (theory) TOP: Sympathetic Nervous System KEY: Nursing Process Step: Implementation MSC: NCLEX: Physiological Integrity: Physiological Adaptation 3. The nurse is assessing an 80-year-old patient. The nurse correctly attributes the slowed knee jerk reflex with which age-related change?
In the peripheral nervous system (PNS), the motor nerve fibers and the myelin sheath degenerate with advancing age; reflexes may become diminished or absent with advanced age.PTS: 1 DIF: Cognitive Level: Comprehension REF: 484 OBJ: 2 (theory) TOP: PNS: Diminished Reflexes KEY: Nursing Process Step: Assessment MSC: NCLEX: Physiological Integrity: Physiological Adaptation
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