ATI RN
ATI Pathophysiology Exam 1
1. During patient teaching, a young woman asks the nurse the following question: 'If I get pregnant on the 'pill,' should I continue to take it?' What is the nurse's best response?
- A. The pill has no effect on pregnancy.
- B. The pill will cause miscarriage.
- C. This is a personal choice for each woman.
- D. The pill can be harmful to the fetus and should be discontinued.
Correct answer: C
Rationale: The correct answer is 'C: This is a personal choice for each woman.' If a woman becomes pregnant while taking birth control pills, it is generally recommended to discontinue them as they can potentially harm the fetus. However, the decision to continue or discontinue the pill in case of pregnancy is ultimately a personal choice for each woman. Choice A is incorrect because birth control pills are meant to prevent pregnancy, but if a woman becomes pregnant while taking them, the situation changes. Choice B is incorrect because birth control pills do not cause miscarriage; they are intended to prevent pregnancy. Choice D is incorrect because while it is generally advised to discontinue the pill if pregnancy occurs, the decision ultimately depends on the individual circumstances and preferences of the woman.
2. A 44-year-old man presents with muscle weakness and fatigue. He states that he has experienced difficulty climbing stairs and even holding his arms up to comb his hair. Which test is most likely to help confirm the diagnosis?
- A. Electromyography (EMG)
- B. Nerve conduction studies
- C. Muscle biopsy
- D. Blood test for autoantibodies
Correct answer: A
Rationale: The correct answer is Electromyography (EMG). EMG is commonly used to diagnose conditions involving muscle weakness and fatigue, such as myasthenia gravis. Nerve conduction studies primarily assess nerve function rather than muscle involvement. While a muscle biopsy can provide valuable information, EMG is more specific for evaluating muscle function in this context. A blood test for autoantibodies may be helpful in certain autoimmune conditions but is not the primary test for confirming the diagnosis based on the patient's symptoms of muscle weakness and fatigue.
3. Macular degeneration occurs as a result of:
- A. loss of lens accommodation
- B. detachment of the retina
- C. increased intraocular pressure
- D. impaired blood supply leading to cellular waste accumulation and ischemia
Correct answer: D
Rationale: Macular degeneration is a condition that affects the macula, a part of the retina responsible for central vision. It is primarily caused by impaired blood supply to the macula, leading to cellular waste accumulation and ischemia. This results in the death of photoreceptor cells and ultimately vision loss. Choices A, B, and C are incorrect because macular degeneration is not related to the loss of lens accommodation, detachment of the retina, or increased intraocular pressure. The correct answer directly addresses the underlying pathophysiology of macular degeneration.
4. A patient is taking a statin for hyperlipidemia. What important instruction should the nurse provide to the patient?
- A. Take the medication at night to avoid muscle pain.
- B. Take the medication in the morning to ensure it works throughout the day.
- C. Avoid consuming alcohol while taking this medication.
- D. Take the medication with a high-fat meal to increase absorption.
Correct answer: A
Rationale: The correct answer is to instruct the patient to take the medication at night to avoid muscle pain. Statins are known to potentially cause muscle pain or weakness; taking the medication at night can help reduce the incidence of these side effects. Option B is incorrect because the timing of statin administration is not related to its effectiveness throughout the day. Option C is a general precaution when taking medications but not the most important instruction specific to statins. Option D is incorrect as taking the medication with a high-fat meal can actually decrease its absorption.
5. What long-term risks should the nurse discuss with a patient starting on hormone replacement therapy (HRT)?
- A. HRT is associated with increased risks of cardiovascular events and breast cancer, so these risks should be discussed with the patient.
- B. HRT can improve mood and energy levels, but it also increases the risk of osteoporosis.
- C. HRT can increase the risk of venous thromboembolism, so patients should undergo regular screening.
- D. HRT decreases the risk of fractures, but it also increases the risk of developing diabetes.
Correct answer: A
Rationale: The correct answer is A. When starting on hormone replacement therapy (HRT), the nurse should discuss the increased risks of cardiovascular events and breast cancer with the patient. These risks are important to consider to make an informed decision. Choice B is incorrect as HRT does not increase the risk of osteoporosis; in fact, it may help prevent it. Choice C is incorrect as while HRT can increase the risk of venous thromboembolism, regular screening is not the primary focus for discussion. Choice D is incorrect as HRT does not decrease the risk of fractures and is not primarily associated with an increased risk of developing diabetes.
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