ATI LPN
Medical Surgical Endocrine Quizlet Questions
Question 1 of 5
Which of the following signs/symptoms are consistent with hypothyroidism?
Correct Answer: B
Rationale: Hypothyroidism slows metabolism, causing bradycardia (low pulse), fatigue, and weight gain, not loss or fever.
Question 2 of 5
Which of the following hormones acts by an inositol 1,4,5-triphosphate (IP3)-Ca2+ mechanism of action?
Correct Answer: D
Rationale: Gonadotropin-releasing hormone (GnRH) is a peptide hormone that acts on the cells of the anterior pituitary by an inositol 1,4,5-triphosphate (IP3)-Ca2+ mechanism to cause the secretion of follicle-stimulating hormone (FSH) and luteinizing hormone (LH). 1,25-Dihydroxycholecalciferol and progesterone are steroid hormone derivatives of cholesterol that act by inducing the synthesis of new proteins. Insulin acts on its target cells by a tyrosine kinase mechanism. Parathyroid hormone (PTH) acts on its target cells by an adenylate cyclase-cyclic adenosine monophosphate (cAMP) mechanism.
Question 3 of 5
Which of the following is not a function of the endocrine system?
Correct Answer: D
Rationale: Transduction of external stimuli is a nervous system function, not endocrine.
Question 4 of 5
Steroid hormones are
Correct Answer: D
Rationale: Steroids are cholesterol-derived, lipophilic, and act via intracellular receptors to induce protein synthesis.
Question 5 of 5
Select the correct statement about TSH.
Correct Answer: D
Rationale: TSH from the anterior pituitary stimulates thyroid hormone production.