ATI RN
ATI Pathophysiology Exam 2
1. A nurse is caring for a client with lung cancer who is experiencing dyspnea. Which intervention is most appropriate?
- A. Administer a cough suppressant to reduce discomfort.
- B. Encourage the client to lie flat to ease breathing.
- C. Provide supplemental oxygen therapy.
- D. Encourage deep breathing and coughing exercises.
Correct answer: C
Rationale: The most appropriate intervention for a client with lung cancer experiencing dyspnea is to provide supplemental oxygen therapy. This intervention helps improve oxygenation and alleviate breathing difficulties. Administering a cough suppressant (Choice A) may not address the underlying cause of dyspnea and can potentially depress the respiratory drive. Encouraging the client to lie flat (Choice B) can worsen dyspnea by reducing lung expansion. Encouraging deep breathing and coughing exercises (Choice D) may be beneficial in some situations, but when a client is experiencing dyspnea due to lung cancer, supplemental oxygen therapy is the priority to improve oxygen levels and alleviate breathing difficulty.
2. A patient with a history of breast cancer is being prescribed tamoxifen (Nolvadex). What should the nurse include in the patient education about the use of this medication?
- A. Tamoxifen may increase the risk of venous thromboembolism, so the patient should be aware of the signs and symptoms of blood clots.
- B. Tamoxifen may cause hot flashes, so the patient should be prepared for this side effect.
- C. Tamoxifen may decrease the risk of osteoporosis, so the patient should ensure adequate calcium intake.
- D. Tamoxifen may cause weight gain, so the patient should monitor their diet and exercise regularly.
Correct answer: A
Rationale: The correct answer is A. 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, pain, or redness in the affected limb, and the importance of seeking immediate medical attention if they occur. Choice B is incorrect because hot flashes are a common side effect of tamoxifen but not a critical concern like venous thromboembolism. Choice C is incorrect as tamoxifen is not associated with a decreased risk of osteoporosis. Choice D is incorrect because while weight gain can occur with tamoxifen, it is not as crucial to educate the patient about as the risk of venous thromboembolism.
3. Which of the following are risk factors for hypertension (HTN)?
- A. High sugar, low-fat diet
- B. Increased physical activity
- C. Tobacco use
- D. Low-fat diet
Correct answer: C
Rationale: Tobacco use is a well-established risk factor for hypertension (HTN) as it can lead to increased blood pressure. High sugar intake and low-fat diets, as well as increased physical activity, are not directly associated with hypertension. While low-fat diets are generally recommended for overall health, they are not specifically linked to hypertension risk.
4. Which of the following clinical findings in a 51-year-old woman is consistent with Graves disease?
- A. Thin hair, exophthalmos, hyperreflexia, and pretibial edema.
- B. Thin hair, exophthalmos, weight gain, and constipation.
- C. Thick hair, bradycardia, weight loss, and dry skin.
- D. Thick hair, bradycardia, weight gain, and constipation.
Correct answer: A
Rationale: The clinical findings of thin hair, exophthalmos (bulging eyes), hyperreflexia, and pretibial edema are classic manifestations of Graves disease, an autoimmune condition that results in hyperthyroidism. Choice B is incorrect because weight gain and constipation are more indicative of hypothyroidism, not hyperthyroidism seen in Graves disease. Choice C is incorrect as the symptoms described are more characteristic of hypothyroidism, not hyperthyroidism. Choice D is also incorrect as the symptoms listed are not consistent with Graves disease but rather suggest hypothyroidism.
5. A male patient with erectile dysfunction has asked for a prescription for sildenafil (Viagra). Before giving this medication, the nurse should assess for which of the following conditions?
- A. History of peptic ulcer disease
- B. Use of nitrates
- C. Recent history of a stroke
- D. History of hypertension
Correct answer: B
Rationale: The correct answer is B: Use of nitrates. Sildenafil should not be used by patients taking nitrates due to the risk of severe hypotension. Nitrates can potentiate the hypotensive effects of sildenafil, leading to a significant drop in blood pressure. Assessing for the use of nitrates is crucial to avoid this potentially dangerous interaction. Choices A, C, and D are incorrect because they are not specifically contraindications for the use of sildenafil. While a history of hypertension should be considered, it is not as critical as the use of nitrates when prescribing sildenafil.
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