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ATI LPN · Medical Surgical Nursing · Medical Surgical Endocrine Practice Quiz

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Showing all 5 practice questions with expert explanatory rationales.

Question 1 of 5

Insulin requirement for diabetics are reduced in:

A. infection

B. hyperthyroidism

C. exercise

D. emotional stress

Expert Explanatory Rationale

Correct Answer: exercise

Question 2 of 5

A 55-year-old man has experienced increasing lethargy for the past 7 months. Physical examination shows hyperpigmentation of the skin. Vital signs include temperature of 36.9Â°C, pulse of 70/min, respirations of 14/min, and blood pressure of 95/65 mm Hg. Laboratory studies include a serum cortisol level of 3 ÃŽÂ¼g/mL at 8:00 am with a serum corticotropin level of 65 pg/mL. Which of the following diseases most often occurs in patients with this disorder?

A. Type 2 diabetes mellitus

B. Classic polyarteritis nodosa

C. Hashimoto thyroiditis

D. Systemic lupus erythematosus

Expert Explanatory Rationale

Correct Answer: Hashimoto thyroiditis

Question 3 of 5

The primary role of the phosphate buffer system is to?

A. buffer stomach acid

B. buffer carbonic acid formed by carbon dioxide

C. limit pH changes caused by metabolic and fixed acids

D. buffer the urine

Expert Explanatory Rationale

Correct Answer: limit pH changes caused by metabolic and fixed acids

Question 4 of 5

If insufficient PTH is produced, the blood calcium level drops, resulting in ______.

A. reduced growth in childhood or parathyroid dwarfism

B. tetany, where the body shakes from continuous muscle contraction

C. osteoporosis

D. blood clotting

Expert Explanatory Rationale

Correct Answer: tetany, where the body shakes from continuous muscle contraction

Question 5 of 5

Match the correct hormone pair that have antagonistic effects?

A. Calcitonin-parathyroid hormone

B. Glucagon-gastrin

C. Estrogen-testosterone

D. Gonadotropic releasing hormone-luteinizing hormone

Expert Explanatory Rationale

Correct Answer: Calcitonin-parathyroid hormone

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