A nurse is teaching a patient relaxation techniques to decreases stress. Which finding will support the nurse's evaluation that the therapy is effective?
a. Dilated pupils
b. Increased blood sugar
c. Decreased heart rate
d. Elevated blood pressure
ANS: C
Decreased heart and respiratory rates, blood pressure, and oxygen consumption and increased alpha brain activity and peripheral skin temperature characterize the relaxation response. The physiological cascade of changes associated with the stress response includes increased heart and respiratory rates, muscle tightening, increased metabolic rate, a sense of foreboding, fear, nervousness, irritability, and a negative mood. Other physiological responses include elevated blood pressure; dilated pupils; stronger cardiac contractions; and increased levels of blood glucose, serum cholesterol, circulating free fatty acids, and triglycerides.
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