ATI RN
ATI Pathophysiology Quizlet
1. Why is it important for a patient to take a new oral contraceptive at the same time each day?
- A. Taking the medication at the same time each day helps maintain stable hormone levels, which is critical for preventing pregnancy.
- B. Taking the medication at the same time each day reduces the risk of breakthrough bleeding.
- C. Taking the medication at the same time each day ensures consistent absorption and effectiveness.
- D. Taking the medication at the same time each day is important, but missing a dose occasionally is not a concern.
Correct answer: A
Rationale: The correct answer is A. Taking oral contraceptives at the same time each day is crucial for maintaining stable hormone levels, which is essential for the contraceptive's effectiveness in preventing pregnancy. Choice B is incorrect because the primary reason for taking the medication consistently is hormone level stability, not specifically to reduce breakthrough bleeding. Choice C is incorrect as it focuses on absorption and effectiveness, which are important but do not address the main reason for consistent timing. Choice D is incorrect because missing doses can impact contraceptive efficacy, making consistent timing essential for optimal protection.
2. A patient is receiving intravenous amphotericin. Which of the following assessments warrants the discontinuation of the antifungal agent?
- A. Sodium level of 138 mEq/L
- B. Hematocrit of 39%
- C. Blood urea nitrogen of 60 mg/dL
- D. AST level of 10 Unit/L
Correct answer: C
Rationale: Intravenous amphotericin can cause nephrotoxicity, leading to increased blood urea nitrogen levels. Elevated blood urea nitrogen (BUN) indicates impaired renal function, which is a known adverse effect of amphotericin. Therefore, a BUN level of 60 mg/dL warrants the discontinuation of the antifungal agent. The other options, such as a sodium level of 138 mEq/L, hematocrit of 39%, and AST level of 10 Unit/L, are within normal ranges and not indicative of the need to discontinue amphotericin therapy.
3. A male patient with hypogonadism is receiving testosterone therapy. What is the most serious adverse effect the nurse should monitor for?
- A. Increased risk of breast cancer
- B. Increased risk of cardiovascular events
- C. Increased risk of liver dysfunction
- D. Increased risk of prostate cancer
Correct answer: B
Rationale: The correct answer is B: Increased risk of cardiovascular events. Testosterone therapy can lead to an increased risk of cardiovascular events such as heart attacks and strokes, especially in older patients. Monitoring for signs and symptoms of cardiovascular issues is crucial when administering testosterone therapy. Choices A, C, and D are incorrect because testosterone therapy does not typically lead to an increased risk of breast cancer, liver dysfunction, or prostate cancer.
4. A patient is hospitalized due to nonadherence to an antitubercular drug treatment. Which of the following is most important for the nurse to do?
- A. Observe the patient taking the medications.
- B. Administer the medications parenterally.
- C. Instruct the family on the medication regimen.
- D. Count the number of tablets in the bottle daily.
Correct answer: A
Rationale: In this scenario, the most crucial action for the nurse to take is to observe the patient taking the medications. This ensures that the patient is actually consuming the prescribed antitubercular drugs, addressing the issue of nonadherence directly. Administering the medications parenterally (intravenously or intramuscularly) is not necessary unless there are specific medical reasons requiring this route of administration. Instructing the family on the medication regimen is important for support but may not directly address the patient's nonadherence. Counting the number of tablets in the bottle daily is not as effective as directly observing the patient taking the medications to ensure compliance.
5. How does tamsulosin (Flomax) primarily benefit male patients with benign prostatic hyperplasia (BPH)?
- A. Relaxation of the muscles in the prostate and bladder neck, leading to improved urinary flow.
- B. Reduction in prostate size and improvement in urinary symptoms.
- C. Increase in urine flow and relief of urinary obstruction.
- D. Improvement in erectile function.
Correct answer: A
Rationale: The correct answer is A: Tamsulosin works by relaxing the muscles in the prostate and bladder neck, which helps improve urinary flow in patients with BPH. This relaxation reduces the symptoms associated with BPH, such as urinary hesitancy, urgency, and frequency. Choice B is incorrect because tamsulosin does not directly reduce the size of the prostate gland. Choice C is incorrect as while tamsulosin does improve urine flow, its primary mechanism of action is through muscle relaxation rather than directly relieving obstruction. Choice D is incorrect as tamsulosin is not indicated for improving erectile function; its main therapeutic effect is targeted towards urinary symptoms related to BPH.
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