Nokea
Which of the following medications is a serotonin antagonist that might be used to relieve nausea and vomiting?
- A. metoclopramide (Reglan)
- B. onedansetron (Zofran)
- C. hydroxyzine (Vistaril)
- D. prochlorperazine (Compazine)
Correct Answer: B
Rationale: Zofran is a serotonin antagonist that can be used to relieve nausea and vomiting. The other medications can be used for nausea and vomiting, but they have different mechanisms of action.
You may also like to solve these questions
The major electrolytes in the extracellular fluid are:
- A. potassium and chloride.
- B. potassium and phosphate.
- C. sodium and chloride.
- D. sodium and phosphate.
Correct Answer: C
Rationale: Sodium and chloride are the major electrolytes in the extracellular fluid.
The client taking paroxetine telephones the mental health clinic nurse and states, “Since I started taking St. John's wort, I have had a high fever and muscle stiffness, and I am sweating a lot.†Which statement is most appropriate?
- A. You may have the flu; call your primary provider to make an appointment.
- B. Take ibuprofen, drink fluids, and rest; call tomorrow if the symptoms worsen.
- C. Could you have doubled up on your medication, taking more than prescribed?
- D. You should be taken to the emergency department right away to be evaluated.
Correct Answer: D
Rationale: Fever, muscle stiffness (rigidity), and diaphoresis are symptoms of serotonin syndrome, a potentially fatal condition that may occur with concurrent use of St. John's wort and paroxetine (Paxil). The client should be taken to the ED.
The nurse is preparing to administer the client's medication for treatment of TB. Which medication, if on the client's MAR, should the nurse plan to administer?
- A. Isoniazid
- B. Fluconazole
- C. Azithromycin
- D. Acyclovir
Correct Answer: A
Rationale: A: Isoniazid (INH) is an antimycobacterial medication affecting bacterial cell wall synthesis; it is used in the treatment of TB or other mycobacterial infections. B: Fluconazole (Diflucan) is an antifungal agent that inhibits synthesis of fungal sterols, a necessary component of the cell membrane. C: Azithromycin (Zithromax) is a macrolide antibiotic that is bacteriostatic against susceptible bacteria and is usually used for treating lower respiratory tract infections, skin infections, acute otitis media, tonsillitis, or Mycobacterium avium. D: Acyclovir (Zovirax) is an antiviral agent limited to treatment of herpes viruses.
The nurse is developing the plan of care for the 4-year-old client who is taking metronidazole for giardiasis. Which measures should be included in the plan of care? Select all that apply.
- A. Assess cardiac status.
- B. Assess for signs of infection.
- C. Reinforce strict hand washing.
- D. Give metronidazole with food.
- E. Monitor results of stool samples.
Correct Answer: B,C,E
Rationale: A: Metronidazole is not associated with any cardiac changes or adverse events. B: Giardiasis is an infectious diarrheal disease; the plan of care should include assessing for infection. Infection should subside when treated with metronidazole (Flagyl). C: Giardiasis is an infectious diarrheal disease; the plan of care should include reinforcing strict hand washing. D: Metronidazole should be given on an empty stomach. E: Giardiasis is an infectious diarrheal disease; the plan of care should include monitoring the results of stool samples.
You are caring for a 78-year-old woman who is wondering why she was diagnosed with glaucoma. Although she has several risk factors, which of these is not one of them?
- A. age
- B. blood pressure reading of 143/89
- C. Mexican-American heritage
- D. 20/80 vision
Correct Answer: D
Rationale: Age over 60 and Mexican-American ancestry are both risk factors for glaucoma. Elevated blood pressure also is a risk factor as it can cause optic nerve damage. 20/80 vision, while poor, is not a causal factor for glaucoma.