What can trigger ACTH to be released?

a. High serum levels of cortisol
b. Hypotension
c. Hypoglycemia
d. Stress


ANS: D
Stress increases ACTH secretion. ACTH regulates the release of cortisol from the adrenal cortex. It is not stimulated by high serum cortisol levels. Neither hypotension nor hypoglycemia stimu-lates ACTH secretion.

Nursing

You might also like to view...

The nurse explains the difference between exertional angina and unstable angina is that unstable angina occurs:

a. on heavy exertion. b. when the blood pressure increases sharply. c. when the body reacts to high stress levels. d. unpredictably, even in sleep.

Nursing

Prior to surgery, the nurse instructed the patient on exercises that should be done prior to and after surgery. The patient is currently recovering from surgery and is experiencing a deep vein thrombosis

Which preoperative exercise instruction was not adequate for this patient? 1. Leg exercises 2. Deep breathing and coughing 3. Use of incentive spirometry 4. Splinting when coughing

Nursing

The nurse is planning care for a client in shock and determines the priority nursing diagnosis is:

a. Excess fluid volume related to overload of intravenous fluids. b. Impaired skin integrity related to invasive monitoring devices. c. Activity intolerance related to increased cardiac workload. d. Ineffective tissue perfusion related to trauma.

Nursing

A young adult patient whose family history contains many first- and second-degree relatives who have had colon cancer wants to know if yearly colonoscopies would be a good idea . The best response by the nurse would be to encourage the patient to

a. ask the physician about the colonoscopies. b. not worry because risks are low at his or her age. c. search for a company to provide screening. d. talk to the doctor about genetic screening.

Nursing