ATI RN
WGU Pathophysiology Final Exam
1. When teaching a patient about the use of finasteride (Proscar) for benign prostatic hyperplasia (BPH), what should the nurse emphasize about the expected outcomes of this therapy?
- A. Expect improvement in symptoms within a few days.
- B. Improvement in symptoms may take several weeks or months.
- C. Expect immediate improvement in urinary flow.
- D. The medication will cure BPH after treatment is complete.
Correct answer: B
Rationale: The correct answer is B. The effects of finasteride in treating BPH may take several weeks or months to become noticeable as it works by shrinking the prostate gland over time. Therefore, patients should be informed that improvement in symptoms may not be immediate. Choice A is incorrect because improvement in symptoms is not expected within a few days. Choice C is incorrect as immediate improvement in urinary flow is not typical with finasteride. Choice D is incorrect because finasteride manages BPH symptoms but does not cure the condition.
2. A patient is found to have liver disease, resulting in the removal of a lobe of his liver. Adaptation to the reduced size of the liver leads to ___________ of the remaining liver cells.
- A. Metaplasia
- B. Organ atrophy
- C. Compensatory hyperplasia
- D. Physiologic hyperplasia
Correct answer: C
Rationale: Compensatory hyperplasia is the process by which the remaining cells increase in number to adapt to the reduced size of the liver. In this case, after the removal of a lobe of the liver, the remaining cells undergo compensatory hyperplasia to compensate for the lost tissue. Metaplasia refers to the reversible change of one cell type to another, not an increase in cell number. Organ atrophy is the decrease in organ size due to cell shrinkage or loss, which is opposite to an increase in cell number seen in compensatory hyperplasia. Physiologic hyperplasia is the increase in cell number in response to a normal physiological demand, not specifically due to the removal of a portion of the organ.
3. When starting on oral contraceptives, what important information should the nurse provide regarding the timing of the medication?
- A. Oral contraceptives must be taken at the same time each day to maintain consistent hormone levels and ensure effectiveness in preventing pregnancy.
- B. Oral contraceptives can be taken at any time of day as long as the schedule is consistent.
- C. Oral contraceptives should be taken with food to enhance absorption.
- D. Oral contraceptives can be skipped occasionally without significant consequences.
Correct answer: A
Rationale: When starting on oral contraceptives, it is crucial to take them at the same time each day to maintain consistent hormone levels and ensure effectiveness in preventing pregnancy. Choice B is incorrect because consistency in timing is essential for optimal efficacy. Choice C is inaccurate as oral contraceptives do not need to be taken with food for absorption. Choice D is incorrect because missing doses or skipping oral contraceptives can reduce their effectiveness in preventing pregnancy.
4. Which of the following steps occurs first during hemostasis?
- A. Vascular spasm
- B. Platelet plug
- C. Coagulation
- D. Dissolution of the clot
Correct answer: A
Rationale: Vascular spasm is the initial step in hemostasis, where blood vessels constrict to reduce blood flow to the injured area. This constriction helps limit blood loss until further steps like platelet plug formation and coagulation can take place. Platelet plug formation and coagulation occur after the vascular spasm, making them incorrect choices. Dissolution of the clot happens much later in the healing process, after the injury has sufficiently healed.
5. A patient with a history of breast cancer is being prescribed tamoxifen (Nolvadex). The nurse should educate the patient about what potential side effect of this medication?
- A. Increased risk of venous thromboembolism
- B. Increased risk of hot flashes
- C. Increased risk of cataracts
- D. Increased risk of bone fractures
Correct answer: A
Rationale: The correct answer is A: Increased risk of venous thromboembolism. Tamoxifen is known to increase the risk of venous thromboembolism, a serious side effect. Patients should be educated about the signs and symptoms of blood clots such as swelling, redness, warmth, or pain in the affected limb. Choices B, C, and D are incorrect because tamoxifen is not associated with an increased risk of hot flashes, cataracts, or bone fractures.
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