ATI RN
Pathophysiology Final Exam
1. A patient with erectile dysfunction is prescribed sildenafil (Viagra). What condition would contraindicate the use of this medication?
- A. History of hypertension
- B. Use of nitrates
- C. Recent use of antihypertensive medications
- D. History of peptic ulcer disease
Correct answer: B
Rationale: The correct answer is B: 'Use of nitrates.' Sildenafil (Viagra) is contraindicated in patients taking nitrates due to the risk of severe hypotension. Nitrates and sildenafil both cause vasodilation, and their combined use can lead to a dangerous drop in blood pressure. Choices A, C, and D are incorrect because a history of hypertension, recent use of antihypertensive medications, or a history of peptic ulcer disease are not direct contraindications for using sildenafil.
2. Which term should the nurse use to document a situation in which cells increase in size and function?
- A. Atrophy
- B. Hypertrophy
- C. Metaplasia
- D. Hyperplasia
Correct answer: B
Rationale: Hypertrophy is the correct term used to describe the situation in which cells increase in size and function. Atrophy (Choice A) is the opposite, indicating a decrease in cell size. Metaplasia (Choice C) refers to the reversible replacement of one mature cell type by another. Hyperplasia (Choice D) involves an increase in the number of cells, not just an increase in size and function as in hypertrophy.
3. What instruction should the nurse include in this patient's health education regarding chloroquine phosphate (Aralen) for malaria prophylaxis?
- A. “Take your pill on the same day each week.â€
- B. “Watch out for any unusual rash on your trunk and arms, but this isn't cause for concern.â€
- C. “Remember to take your chloroquine on an empty stomach.â€
- D. “We'll provide you with enough syringes and teach you how to inject the drug.â€
Correct answer: A
Rationale: The correct instruction for the nurse to include in this patient's health education regarding chloroquine phosphate (Aralen) for malaria prophylaxis is to “Take your pill on the same day each week.†This is essential because chloroquine is typically taken once a week on the same day to ensure consistent protection against malaria. Choice B is incorrect because while rashes are a possible side effect of chloroquine, they are not a usual occurrence and should be reported to the healthcare provider. Choice C is incorrect because chloroquine does not need to be taken on an empty stomach. Choice D is incorrect as chloroquine is typically administered orally, not by injection.
4. A 70-year-old man has enjoyed good overall health for all of his adult life, but he has been experiencing urinary frequency and dribbling that has culminated in a diagnosis of benign prostatic hypertrophy (BPH). As a result, the patient has been prescribed finasteride (Proscar). When teaching the patient about the potential adverse effects of the drug, the nurse should ensure that he knows about the possibility of
- A. sexual dysfunction.
- B. urethral burning.
- C. kidney stones.
- D. visual disturbances.
Correct answer: A
Rationale: The correct potential adverse effect of finasteride (Proscar) that the nurse should educate the patient about is sexual dysfunction. Finasteride is known to cause sexual side effects such as decreased libido, erectile dysfunction, and ejaculation disorders. Urethral burning, kidney stones, and visual disturbances are not commonly associated with finasteride use, making them incorrect choices for this scenario.
5. The healthcare provider is caring for a client with an altered level of consciousness and needs to assess the withdrawal reflex. Which action should the healthcare provider perform?
- A. Apply a painful stimulus to see if the client pulls away.
- B. Check for pupil response to light.
- C. Assess the client's response to verbal commands.
- D. Observe the client's reaction to a cold stimulus.
Correct answer: A
Rationale: The withdrawal reflex is assessed by applying a painful stimulus and observing if the client pulls away. This response indicates a functioning reflex arc. Choices B, C, and D are incorrect as they do not involve testing the withdrawal reflex specifically. Checking for pupil response to light assesses the pupillary reflex, assessing the client's response to verbal commands evaluates their cognitive function, and observing the client's reaction to a cold stimulus tests for a different type of sensory response.
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