ATI RN
ATI Pathophysiology Exam 1
1. A client with a history of hypertension presents with a severe headache and blurred vision. What is the nurse's priority action?
- A. Administer pain relief medication.
- B. Obtain a stat head CT scan.
- C. Administer antihypertensive medications as prescribed.
- D. Call the healthcare provider immediately.
Correct answer: C
Rationale: The correct answer is to administer antihypertensive medications as prescribed. In a client with a history of hypertension presenting with severe headache and blurred vision, these symptoms could indicate a hypertensive crisis. The priority action is to lower the blood pressure promptly to prevent complications such as stroke, heart attack, or organ damage. Administering antihypertensive medications is crucial in this situation. Administering pain relief medication (Choice A) may temporarily alleviate symptoms but does not address the underlying issue of elevated blood pressure. Obtaining a stat head CT scan (Choice B) may be necessary to rule out other causes but should not delay the administration of antihypertensive medications. Calling the healthcare provider immediately (Choice D) is important but may not address the immediate need to lower blood pressure in a hypertensive crisis.
2. A woman has been prescribed Climara, a transdermal estradiol patch. Which of the following should she be instructed by the nurse regarding the administration?
- A. Avoid prolonged sun exposure at the patch site due to increased plasma concentrations.
- B. The application of heat at the patch site will decrease effectiveness and result in pregnancy.
- C. The medication, when exposed to sunlight, can increase the risk of breast cancer.
- D. Exposure of the medication to occasional cold will increase effectiveness with application.
Correct answer: A
Rationale: The correct answer is A. The Climara patch delivers estradiol transdermally, and patients should be instructed to avoid prolonged sun exposure at the patch site due to increased plasma concentrations. Sun exposure can accelerate the absorption of the medication, leading to higher systemic levels than intended. Choices B, C, and D are incorrect because heat at the patch site does not result in pregnancy but may alter absorption rates, there is no direct link between sunlight exposure and breast cancer risk related to this medication, and exposure to cold does not increase effectiveness of the transdermal patch.
3. A patient is being educated about sildenafil (Viagra). Which of the following statements by the patient indicates that further teaching is necessary?
- A. I can take this medication with nitroglycerin.
- B. This medication can cause an erection lasting more than 4 hours.
- C. I should not take this medication if I am taking medications containing nitrates.
- D. This medication is safe to take with any over-the-counter medication.
Correct answer: A
Rationale: The correct answer is A because sildenafil should not be taken with medications containing nitrates, such as nitroglycerin, due to the risk of severe hypotension. Choice B is incorrect because priapism (prolonged erection) is a serious side effect but does not require immediate intervention like severe hypotension. Choice C is incorrect as it correctly identifies a contraindication for sildenafil use. Choice D is incorrect because not all over-the-counter medications are safe to take with sildenafil, and interactions can occur.
4. In which patient is alpha-1 antitrypsin deficiency the likely cause of chronic obstructive pulmonary disease?
- A. A 30-year-old who has smoked for 3 years
- B. A 65-year-old man who worked as a taxi driver most of his life
- C. A 70-year-old woman who smoked for 40 years
- D. A 50-year-old with exposure to secondhand smoke
Correct answer: A
Rationale: The correct answer is A. Alpha-1 antitrypsin deficiency is a genetic condition that can lead to COPD at a young age, even in light smokers. Choice B is less likely as the patient's occupation does not directly correlate with alpha-1 antitrypsin deficiency. Choice C, a 70-year-old woman with a long smoking history, is more likely to have COPD due to smoking rather than alpha-1 antitrypsin deficiency. Choice D, exposure to secondhand smoke, is not a common cause of alpha-1 antitrypsin deficiency-related COPD.
5. What is the characteristic of the condition of leukemia?
- A. A benign growth of skin cells
- B. A malignant growth of skin cells
- C. A malignant growth of white blood cells
- D. A benign growth of white blood cells
Correct answer: C
Rationale: The correct answer is C: 'A malignant growth of white blood cells.' Leukemia is a type of cancer that affects the blood and bone marrow, leading to an overproduction of abnormal white blood cells. These cells are malignant and impair the normal function of healthy blood cells. Choices A, B, and D are incorrect because leukemia does not involve skin cells or benign growths; instead, it specifically refers to the abnormal proliferation of white blood cells.
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