ATI LPN
Medical Surgical Endocrine Practice Quiz Questions
Question 1 of 5
Which of the following signs or symptoms indicates thyroid storm?
Correct Answer: B
Rationale: Thyroid storm is a hyperthyroid crisis marked by fever, tachycardia, and agitation due to excessive thyroid hormone release.
Question 2 of 5
Blood levels of which of the following substances is decreased in Graves disease?
Correct Answer: D
Rationale: In Graves disease (hyperthyroidism), the thyroid is stimulated to produce and secrete vast quantities of thyroid hormones as a result of stimulation by thyroid-stimulating immunoglobulins (antibodies to the thyroid-stimulating hormone [TSH] receptors on the thyroid gland). Because of the high circulating levels of thyroid hormones, anterior pituitary secretion of TSH will be turned off (negative feedback).
Question 3 of 5
Which statement about tropic hormones is incorrect?
Correct Answer: C
Rationale: Tropic hormones (e.g., TRH) are also produced by the hypothalamus, not just the anterior pituitary.
Question 4 of 5
Peptide hormones
Correct Answer: B
Rationale: Peptide hormones are water-soluble and circulate mostly unbound.
Question 5 of 5
The effective plasma concentration of a hormone is normally regulated by appropriate adjustments in the hormone's rate of
Correct Answer: D
Rationale: Secretion rate is the primary regulatory mechanism for plasma hormone levels.