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HESI LPN · HESI LPN Medical Surgical Nursing · HESI Multiple Choice Questions on Endocrine System

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Showing all 5 practice questions with expert explanatory rationales.

Question 1 of 5

The hypersecretion of growth hormone leads to:

A. Cretinism
B. Myxoedema
C. Acromegaly
D. Graves disease

Expert Explanatory Rationale

Correct Answer: Acromegaly

Question 2 of 5

A morbidly obese person visits the local bariatric (weight loss) clinic seeking a pill that will help shed weight. The physician prescribes dextroamphetamine. In addition to causing its expected centrally mediated anorexigenic (appetite-suppressant) effects, it causes a host of peripheral adrenergic effects that, for some patients, can prove fatal. The main mechanism by which dextroamphetamine or amphetamines in general, cause their peripheral autonomic effects is

A. Activates MAO
B. Blocks NE reuptake via the amine pump/transporter
C. Displaces, releases, intraneuronal NE
D. Enhances NE synthesis, leading to massive neurotransmitter overproduction

Expert Explanatory Rationale

Correct Answer: Displaces, releases, intraneuronal NE

Question 3 of 5

Which gland is responsible for the production of insulin?

A. ovaries
B. testes
C. hypothalamus
D. islets of Langerhans

Expert Explanatory Rationale

Correct Answer: islets of Langerhans

Question 4 of 5

Which equation is used to calculate the power P of the machine?

A. P = ΔE × t
B. P = W × t
C. P = ΔE / t
D. P = W / ΔE

Expert Explanatory Rationale

Correct Answer: P = ΔE / t

Question 5 of 5

Which term describes the maintenance of a stable internal environment?

A. negative feedback
B. positive feedback
C. homeostasis
D. metabolism

Expert Explanatory Rationale

Correct Answer: homeostasis

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