Which of the following alterations would the nurse expect to find in a patient with untreated Cushing disease or syndrome?
a. Bradycardia
b. Tachypnea
c. Hyperkalemia
d. Hypertension
ANS: D
With elevated cortisol levels, vascular sensitivity to catecholamines increases significantly, lead-ing to vasoconstriction and hypertension. Tachycardia is more likely than bradycardia due to in-creased sensitivity to catecholamines. Tachypnea does not occur; the patient experiences hyper-tension. Hyokalemia, not hyperkalemia, occurs.
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