The night before an exam, Mary feels a surge of panic. Her heart rate increases and she begins to sweat. The stress of writing the paper the next day makes her feel nauseous. These physiological changes that Mary is experiencing are caused by the:
A. activation of the parasympathetic system.
B. deactivation of the reticular formation.
C. activation of the sympathetic system.
D. deactivation of the limbic system.
Answer: C
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Which of these routine screening tests is recommended for early detection of colorectal cancer?
a. sigmoidoscopy and barium enema b. fecal occult blood and colonoscopy c. urinalysis and complete blood count (CBC) d. blood pressure and diet history
Which postoperative observation must be reported to the physician immediately?
a. Brownish-red drainage on the dressing, which is damp b. Respirations of 20 breaths/min c. Pulse of 72 beats/min d. Bright-red bleeding
The history finding in a client with elevated carcinoembryonic antigen (CEA) that suggests to the nurse that this result might not be related to colorectal cancer is a
a. high-fiber diet. b. history of heavy smoking. c. regular exercise program. d. sedentary lifestyle.
The nurse assessing an infant will be most concerned about which of the following findings?
a. peripheral cyanosis of the hands c. cyanosis of the lips or tongue b. perioral cyanosis d. cyanosis of the feet