Nokea
Commercials on TV for erectile dysfunction (ED) medications warn about mixing them with nitrates. Why?
- A. Increased risk of priapism
- B. Profound hypotension
- C. Development of blue discoloration to the visual field
- D. Inactivation of the ED medication effect
Correct Answer: B
Rationale: ED drugs (PDE5 inhibitors) with nitrates cause severe vasodilation, leading to hypotension.
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Patients with rheumatoid arthritis who are on chronic low-dose prednisone will need co-treatment with which medications to prevent further adverse effects?
- A. A bisphosphonate
- B. Calcium supplementation
- C. Vitamin D
- D. All of the above
Correct Answer: D
Rationale: All mitigate prednisone's bone loss: bisphosphonates , calcium , and vitamin D .
Vitamin B2 (riboflavin) may be prescribed to:
- A. Decrease the incidence of beriberi
- B. Reduce headaches and migraines
- C. Prevent pernicious anemia
- D. Treat hyperlipidemia
Correct Answer: B
Rationale: Riboflavin has been used to reduce migraine frequency, though evidence is limited.
All are pro drugs except
- A. Sulindac
- B. Codeine
- C. Talampicillin
- D. Chlorpromazine
Correct Answer: D
Rationale: Chlorpromazine is active as is; others are prodrugs.
Which statement is false of Domperidone
- A. Chemically related to haloperidol
- B. Pharmacologically related to metoclopramide
- C. Extra pyramidal symptoms are common
- D. It counteracts the emetic action but not the therapeutic effect in parkinsonism
Correct Answer: C
Rationale: Domperidone rarely causes extrapyramidal symptoms as it doesn't cross the blood-brain barrier.
A nurse at a provider's office is preparing to administer RV, DTaP, Hib, PCV13, and IPV immunizations to a 4-month-old infant. Which of the following actions should the nurse plan to take?
- A. Administer IPV orally
- B. Administer subcutaneous injections in the anterolateral thigh.
- C. Administer IM injections in the deltoid muscle.
- D. Give the infant a phone during vaccine injections.
Correct Answer: B
Rationale: Subcutaneous injections in the thigh and pacifier use are appropriate for a 4-month-old; IPV is IM, not oral.