ATI RN
Pathophysiology Practice Exam
1. What should the nurse include in patient education regarding the effectiveness of oral contraceptives?
- A. Oral contraceptives are highly effective when taken correctly but not 100% foolproof.
- B. Oral contraceptives may take some time to reach full effectiveness after starting.
- C. Oral contraceptives can be less effective if taken with certain antibiotics.
- D. Taking oral contraceptives with food does not significantly affect their efficacy.
Correct answer: C
Rationale: The correct answer is C. Oral contraceptives can be less effective when taken with certain antibiotics due to potential drug interactions that may reduce contraceptive efficacy. It is crucial for patients to be aware of this to consider additional contraceptive measures when prescribed antibiotics. Choice A is incorrect because while oral contraceptives are highly effective when taken correctly, they are not 100% foolproof. Choice B is incorrect as oral contraceptives may take some time to reach their full effectiveness after starting. Choice D is also incorrect as taking oral contraceptives with food does not significantly affect their efficacy.
2. When teaching a young woman about the use of hormonal contraceptives, a nurse should emphasize that these drugs are most effective when taken:
- A. Immediately after sexual intercourse.
- B. At the same time each day.
- C. Before going to bed at night.
- D. On an empty stomach.
Correct answer: B
Rationale: The correct answer is B: 'At the same time each day.' Hormonal contraceptives should be taken consistently at the same time each day to maintain stable hormone levels, which is crucial for their effectiveness. Taking them at random times can increase the risk of contraceptive failure. Choices A, C, and D are incorrect because taking hormonal contraceptives immediately after sexual intercourse, before going to bed at night, or on an empty stomach does not align with the recommended usage instructions for these drugs.
3. How does influenza immunization produce immunity?
- A. The virus from the vaccine remains in the body until the end of the season
- B. An attenuated virus causes immune system suppression and triggers immunity
- C. The body identifies the virus and develops antibodies against the virus
- D. The vaccine remains in the injection site and produces immune cells
Correct answer: C
Rationale: The correct answer is C. Influenza immunization works by introducing a weakened or inactivated form of the virus into the body, allowing the immune system to recognize it as foreign. This recognition triggers the production of antibodies specific to the virus. Choice A is incorrect as the virus in the vaccine does not remain in the body until the end of the season. Choice B is incorrect as an attenuated virus does not cause immune system suppression but rather stimulates an immune response. Choice D is incorrect because the vaccine does not stay at the injection site but rather prompts a systemic immune response throughout the body.
4. Where are most body fluids located?
- A. Intravascular space.
- B. Intracellular space.
- C. Extracellular space.
- D. Transcellular space.
Correct answer: B
Rationale: Most body fluids are located within cells in the intracellular space. While the extracellular space also contains body fluids, the majority is found within the cells. Intravascular space refers to fluids within blood vessels, and transcellular space includes fluids in compartments like cerebrospinal, pleural, and peritoneal cavities.
5. A male patient receiving androgen therapy is concerned about the risk of prostate cancer. What should the nurse explain about this risk?
- A. Finasteride has been shown to lower the risk of developing prostate cancer.
- B. Finasteride does not affect the risk of prostate cancer, so regular screening is unnecessary.
- C. Finasteride may increase the risk of developing prostate cancer, so regular screenings are recommended.
- D. Finasteride has no effect on the risk of prostate cancer, so regular screenings are unnecessary.
Correct answer: A
Rationale: The correct answer is A. Finasteride has been shown to lower the risk of developing prostate cancer. However, regular screenings are still recommended to monitor for any potential issues. Choice B is incorrect because finasteride has been associated with a decreased risk of prostate cancer, making regular screenings important. Choice C is incorrect as finasteride is not known to increase the risk of developing prostate cancer. Choice D is incorrect as finasteride has shown a protective effect against prostate cancer, but regular screenings are still necessary to ensure early detection and monitoring.
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