ATI RN
Pathophysiology Practice Exam
1. In a patient with renal failure secondary to an overdose of a nephrotoxic drug, which assessment findings would the nurse recognize as being most suggestive of impaired erythropoiesis?
- A. Frequent infections and low neutrophil levels
- B. Fatigue and increased heart rate
- C. Agitation and changes in cognition
- D. Increased blood pressure and peripheral edema
Correct answer: A
Rationale: Impaired erythropoiesis refers to a decreased production of red blood cells. This can lead to anemia, resulting in symptoms like fatigue and increased heart rate (Choice B). However, the question specifically asks about assessment findings suggestive of impaired erythropoiesis. In this context, frequent infections and low neutrophil levels (Choice A) are more directly related to impaired erythropoiesis due to the impact of anemia on the immune system. Frequent infections are common in anemia due to a compromised immune response, and low neutrophil levels can be seen in conditions of impaired erythropoiesis. Agitation and changes in cognition (Choice C) are more indicative of neurological issues, while increased blood pressure and peripheral edema (Choice D) are commonly associated with renal failure but not specifically related to impaired erythropoiesis.
2. A 54-year-old man presents with a temperature of 38.8°C (101.8°F), a racing heart, fatigue, and an upset stomach after spending an afternoon building a deck on a very hot, humid day. The physician assessing the man is performing a differential diagnosis as part of her assessment. Which finding would suggest fever rather than hyperthermia as a cause of the elevation in the man's temperature?
- A. Absence of sweating
- B. Shivering
- C. Lack of thirst
- D. Increased heart rate
Correct answer: B
Rationale: Shivering is a physiological response to fever, as the body attempts to generate heat to increase the internal temperature. Hyperthermia, on the other hand, does not involve shivering. Absence of sweating (choice A) is more indicative of hyperthermia, as the body struggles to cool down without sweating. Lack of thirst (choice C) can be seen in both fever and hyperthermia. Increased heart rate (choice D) can occur in both fever and hyperthermia due to the body's attempt to regulate temperature.
3. Which of the following women is at highest risk for the development of endometrial cancer?
- A. A 50-year-old postmenopausal woman with a history of high-risk human papillomavirus
- B. A 45-year-old woman who is obese and has a menstrual pattern consisting of periods of amenorrhea and infrequent periods
- C. A 40-year-old woman who is overweight and has hypertension
- D. A 55-year-old woman who smokes
Correct answer: B
Rationale: The correct answer is a 45-year-old woman who is obese and has a menstrual pattern consisting of periods of amenorrhea and infrequent periods. Obesity and prolonged exposure to estrogen unopposed by progesterone due to infrequent ovulation are significant risk factors for endometrial cancer. Choices A, C, and D do not directly correlate with the increased risk of endometrial cancer. Postmenopausal status alone (Choice A), overweight with hypertension (Choice C), and smoking (Choice D) are not the primary risk factors for endometrial cancer.
4. Which of the following would the nurse see in a client with thrombocytopenia?
- A. A decreased platelet cell count
- B. Decreased white blood cell count
- C. Increased red blood cell count
- D. An increased platelet cell count
Correct answer: A
Rationale: Thrombocytopenia is characterized by a decreased platelet cell count, leading to an increased risk of bleeding. Therefore, the correct answer is A. Choice B, a decreased white blood cell count, is not typically associated with thrombocytopenia. Choice C, an increased red blood cell count, is not a characteristic finding in thrombocytopenia. Choice D, an increased platelet cell count, is the opposite of what is observed in thrombocytopenia.
5. Prior to administering iodoquinol (Yodoxin), what assessment should the nurse make?
- A. Assess for allergy to iodine.
- B. Note the time the patient last ate.
- C. Assess for skin eruptions.
- D. Assess for ophthalmic symptoms.
Correct answer: A
Rationale: Before administering iodoquinol (Yodoxin), the nurse should assess for allergy to iodine since iodoquinol is a medication containing iodine. Assessing for skin eruptions (choice C) and ophthalmic symptoms (choice D) are not specifically related to iodoquinol administration. Noting the time the patient last ate (choice B) may be relevant for certain medications but is not directly related to assessing for an allergy to iodine in this case.
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