A nurse is caring for a 45-year-old male client who is prescribed with insulin and glucagon (GlucaGen) for diabetes. The client is unsure why he is prescribed with glucagon (GlucaGen). Which of the following is a therapeutic use for glucagon (GlucaGen)?
Thyroid cancer
Hypoglycemia
Diabetes insipidus
Type 2 diabetes mellitus
"Before putting on my patch, I should wipe the area with an alcohol swab."
The Correct Answer is B
A. Glucagon is not used to treat thyroid cancer; treatments for thyroid cancer often include radioactive iodine therapy or surgery.
B. Glucagon is used to treat severe hypoglycemia in diabetic patients when they are unable to take oral glucose. It works by stimulating the liver to release stored glucose into the bloodstream, rapidly raising blood sugar levels.
C. Diabetes insipidus involves a deficiency of antidiuretic hormone or kidney insensitivity to it and is treated with desmopressin or adequate hydration, not glucagon.
D. Type 2 diabetes mellitus is typically managed with lifestyle changes, oral antidiabetic agents, or insulin. Glucagon is not used for routine management but is reserved for severe hypoglycemia emergencies.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is D
Explanation
A. Ondansetron agonizes serotonin receptors on afferent vagal neurons. – This is incorrect. Ondansetron works by blocking, not activating, serotonin (5-HT3) receptors in areas involved in nausea and vomiting.
B. Ondansetron agonizes serotonin receptors in the medulla oblongata. – This is incorrect. Ondansetron does not act as an agonist at serotonin receptors in the medulla oblongata; instead, it antagonizes receptors to reduce nausea.
C. Ondansetron agonizes dopaminergic receptors in the vestibular apparatus. – This is incorrect. Ondansetron does not affect dopaminergic receptors or the vestibular apparatus. Medications like promethazine address dopaminergic pathways.
D. Ondansetron blocks serotonin receptors in the chemoreceptor trigger zone. – This is correct. Ondansetron acts as a 5-HT3 receptor antagonist, blocking serotonin receptors in the chemoreceptor trigger zone and vagal nerve terminals, effectively preventing nausea and vomiting.
Correct Answer is D
Explanation
A. "This medication may cause increased libido." This is incorrect. Cimetidine (Tagamet) can cause side effects such as decreased libido, especially in men. This occurs because the drug inhibits the action of certain hormones, leading to sexual dysfunction.
B. "You may take this medication with antacids to prevent stomach upset." This is incorrect. Cimetidine should not be taken with antacids because antacids can reduce its absorption and effectiveness. It is advised to space the administration of cimetidine and antacids by at least 1 hour.
C. "This medication will neutralize your stomach acid." This is incorrect. Cimetidine works by blocking histamine receptors (H2 receptors), which reduces the production of stomach acid but does not neutralize it.
D. "This medication may cause decreased libido." This is correct. One of the side effects of cimetidine is reduced libido, particularly in male clients, due to its anti-androgenic effects.
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