Release of the mineralcorticoids is stimulated with:
- A. Low concentration of \mathrm{Na}+ in the blood
- B. Hypokalemia
- C. Low concentration of angiotensin II in the blood
- D. Low concentration of \mathrm{Mg} 2+ in the blood
Correct Answer: A
Rationale: Low blood sodium stimulates aldosterone release via the renin-angiotensin system.
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Which of the following is the most frequent cause of diarrhea and flatulance:
- A. Acarbose
- B. Glibenclamide
- C. Metformin
Correct Answer: A
Rationale: Acarbose inhibits carbohydrate digestion in the gut, leading to increased fermentation by gut bacteria, causing diarrhea and flatulence.
A nurse is teaching a school-age child and his parents about a new prescription for Lisdexamfetamine. Which of the following information should the nurse include in the teaching? (Select one that does not apply.)
- A. An adverse effect of this medication is CNS stimulation.
- B. Administer the medication before bedtime.
- C. Monitor blood pressure while taking this medication.
- D. Increased dopamine leads to more activity
Correct Answer: B
Rationale: CNS stimulation , BP monitoring , and dopamine increase are key; it's taken in the morning, not bedtime.
A 35-year-old male patient is admitted to the hospital with pneumonia. He was originally being treated at home, but became worse when he quit taking his medicine. What would be an appropriate nursing diagnosis for this patient?
- A. Deficient knowledge: monitoring temperature
- B. Noncompliance
- C. Risk for injury related to office visits
- D. Non-adherence: overuse
Correct Answer: B
Rationale: Noncompliance reflects the patient's failure to continue prescribed treatment, worsening his condition.
Kenneth is taking warfarin and is asking about what he can take for minor aches and pains. The best recommendation is:
- A. Ibuprofen 400 mg three times a day
- B. Acetaminophen, not to exceed 4 grams per day
- C. Prescribe acetaminophen with codeine
- D. Aspirin 640 mg three times a day
Correct Answer: B
Rationale: Acetaminophen is safest with warfarin, avoiding bleeding risks from ibuprofen or aspirin ; codeine is unnecessary for minor pain.
Which of the following adverse effects are less likely in a beta1-selective blocker?
- A. Dysrhythmias
- B. Impaired insulin release
- C. Reflex orthostatic changes
- D. Decreased triglycerides and cholesterol
Correct Answer: B
Rationale: Beta1-selective blockers (e.g., atenolol) have less impact on insulin release compared to non-selective blockers.