Nokea
The client has a PRN prescription for ondansetron (Zofran). For which condition should this medication be administered to the postoperative client?
- A. Paralytic ileus
- B. Incisional pain
- C. Urinary retention
- D. Nausea and vomiting
Correct Answer: D
Rationale: Ondansetron is an antiemetic used to treat postoperative nausea and vomiting, as well as nausea and vomiting associated with chemotherapy. The other options are incorrect.
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The mean weight of 500 college students is 70 kg and the standard deviation is 3 kg. Assuming that the weight is normally distributed, determine how many students weigh more than 90 kg.
- B. 5
- C. 10
- D. 15
Correct Answer: A
Rationale: Z-score: (90-70)/3 = 6.67. P(Z > 6.67) is effectively 0 since it's far beyond the normal distribution's tail (P(Z < 6.67) ≈ 1), so 0 students, consistent with the document's calculation.
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 patient who has completed the first phase of a three-drug regimen for tuberculosis has a positive sputum acid-fast bacilli test. The nurse will tell the patient that
- A. drug resistance has probably occurred
- B. it may be another month before this test is negative
- C. the provider will change the pyrazinamide to ethambutol
- D. there may be a need to remain in the first phase of therapy for several weeks
Correct Answer: B
Rationale: Sputum negativity may take 2-3 months; positivity doesn't confirm resistance or prompt drug change . The goal is for the patient's sputum test to be negative 2 to 3 months after the therapy.
Which of the following is a contraindication of glucocorticoid use?
- A. Psychosis
- B. Allergic dermatitis
- C. Autoimmune hemolytic anemia
- D. Angioneurotic edema
Correct Answer: A
Rationale: Glucocorticoids can exacerbate psychosis, making it a contraindication, unlike the other conditions which they can treat.
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.