HESI RN
HESI Pharmacology Practice Exam
1. When a client is taking lansoprazole (Prevacid), which question should the nurse ask during data collection to determine medication effectiveness?
- A. Has your appetite increased?
- B. Are you experiencing any heartburn?
- C. Do you have any problems with vision?
- D. Do you experience any leg pain when walking?
Correct answer: B
Rationale: When a client is taking lansoprazole (Prevacid), a gastric acid pump inhibitor used to treat gastroesophageal reflux disease (GERD), the nurse should ask if the client is experiencing any heartburn to determine medication effectiveness. Heartburn is a common symptom of GERD, and the reduction of heartburn indicates the effectiveness of lansoprazole in managing acid reflux symptoms. Choices A, C, and D are not relevant to assessing the effectiveness of lansoprazole for GERD.
2. The client with ovarian cancer is being treated with vincristine (Oncovin). The nurse monitors the client, knowing that which of the following indicates a side effect specific to this medication?
- A. Diarrhea
- B. Hair loss
- C. Chest pain
- D. Numbness and tingling in the fingers and toes
Correct answer: D
Rationale: The correct answer is D: Numbness and tingling in the fingers and toes. Vincristine is known to cause peripheral neuropathy as a side effect, resulting in numbness and tingling in the fingers and toes. Diarrhea, hair loss, and chest pain are not typically associated with vincristine use.
3. The camp nurse asks the children preparing to swim in the lake if they have applied sunscreen. The nurse reminds the children that chemical sunscreens are most effective when applied:
- A. Immediately before swimming
- B. 15 minutes before exposure to the sun
- C. Immediately before exposure to the sun
- D. At least 30 minutes before exposure to the sun
Correct answer: D
Rationale: Chemical sunscreens are most effective when applied at least 30 minutes before exposure to the sun to allow them to penetrate the skin and provide optimal protection. Applying sunscreen immediately before swimming (Choice A) or immediately before exposure to the sun (Choice C) may not provide sufficient time for the sunscreen to be absorbed and offer proper protection. Applying sunscreen 15 minutes before sun exposure (Choice B) is also not ideal as it may not allow enough time for the sunscreen to work effectively. Therefore, the correct answer is to apply chemical sunscreen at least 30 minutes before exposure to the sun to ensure it can be absorbed and offer the intended protection. It is important to reapply sunscreen after swimming or sweating to maintain its effectiveness.
4. A client is prescribed phenytoin (Dilantin) for seizure control. Which statement by the client indicates an understanding of the medication?
- A. I should brush and floss my teeth regularly.
- B. I should take the medication with antacids.
- C. I can stop taking the medication once my seizures are controlled.
- D. I should avoid drinking milk while taking this medication.
Correct answer: A
Rationale: The correct statement is 'I should brush and floss my teeth regularly.' Phenytoin (Dilantin) can cause gingival hyperplasia, so maintaining good oral hygiene is essential. Taking the medication with antacids can affect its absorption, so it should not be done. It is crucial not to stop taking the medication abruptly, even if seizures are controlled. There is no specific requirement to avoid milk while taking phenytoin (Dilantin).
5. A client has been started on long-term therapy with rifampin (Rifadin). A nurse teaches the client that the medication:
- A. Should always be taken with food or antacids
- B. Should be double-dosed if one dose is forgotten
- C. Causes orange discoloration of sweat, tears, urine, and feces
- D. May not be discontinued independently if symptoms are gone in 3 months
Correct answer: C
Rationale: Rifampin causes orange-red discoloration of body secretions, including sweat, tears, urine, and feces. It can also permanently stain soft contact lenses. It is essential to take rifampin exactly as directed and not discontinue it without consulting the healthcare provider.
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