ATI LPN
Medical Surgical Endocrine Practice Quiz Questions
Question 1 of 5
Regarding cholera; which is TRUE?
Correct Answer: B
Rationale: Cholera toxin increases cAMP, opening Cl^- channels, causing diarrhea. Na^+/glucose co-transport remains effective (basis for ORS).
Question 2 of 5
Which action describes a function of aldosterone?
Correct Answer: A
Rationale: Aldosterone is classified as a mineralocorticoid. It promotes conservation of water by acting on the kidneys to retain sodium in exchange for potassium, which is excreted in the urine.
Question 3 of 5
Which causative factor(s) may be responsible for primary endocrine disorders?
Correct Answer: A
Rationale: Endocrine disorders are caused by an imbalance in the production of hormone or by an alteration in the body's ability to use the hormones produced. Primary endocrine dysfunction means that an endocrine gland is either oversecreting or undersecreting hormone(s). Tumor or hyperplasia of the endocrine gland may lead to hypersecretion. Infection, mechanical damage, or an autoimmune response may be an inflammatory response in a gland and lead to hyposecretion. Secondary endocrine dysfunction occurs from factors outside the gland itself. Medications, trauma, hormone therapy, and other factors may cause secondary dysfunction. Long periods of limited mobility do not cause endocrine disorders.
Question 4 of 5
Although thyroid hormone levels decrease with advancing age, which mechanism offsets this output reduction?
Correct Answer: A
Rationale: The production of thyroid hormones decreases with age, but the decrease is offset by a matching decrease in the body's breakdown of the hormone. Changes in thyroid hormone levels are not affected by calcium, phosphorus, or mineralocorticoid levels.
Question 5 of 5
The exocrine cells of the pancreas produce:
Correct Answer: D
Rationale: Exocrine cells of the pancreas (acinar cells) secrete digestive juices into ducts that aid in digestion, unlike endocrine cells which secrete hormones like insulin into the blood.