ATI RN
Final Exam Pathophysiology
1. A patient with a history of osteoporosis is prescribed alendronate (Fosamax). What instructions should the nurse provide to ensure the effectiveness of the medication?
- A. Take the medication with a full glass of water and remain upright for at least 30 minutes to prevent esophageal irritation and ensure proper absorption.
- B. Take the medication with milk to enhance calcium absorption.
- C. Take the medication at bedtime to ensure absorption during sleep.
- D. Take the medication with food to prevent nausea.
Correct answer: A
Rationale: The correct answer is A. Alendronate should be taken with a full glass of water and patients should remain upright for at least 30 minutes to prevent esophageal irritation and ensure proper absorption. Taking the medication with milk (choice B) is not recommended as it may interfere with the absorption of alendronate. Taking the medication at bedtime (choice C) is not necessary for optimal absorption. Taking the medication with food (choice D) is also not recommended as food can reduce the absorption of alendronate.
2. Which of the following accurately describes the pathophysiology of asthma?
- A. Chronic inflammation of the bronchial lining
- B. Narrowing of the airway due to bronchoconstriction
- C. Damage to alveoli reducing lung elasticity
- D. Overproduction of mucus by the goblet cells
Correct answer: B
Rationale: The correct answer is B: "Narrowing of the airway due to bronchoconstriction." In asthma, there is an inflammatory response that leads to bronchoconstriction, causing the airways to narrow and making it difficult to breathe. Choice A is incorrect as chronic inflammation is a feature of asthma but not the primary pathophysiological mechanism. Choice C is incorrect as damage to alveoli is more characteristic of conditions like emphysema. Choice D is incorrect as overproduction of mucus is a feature of chronic bronchitis, not asthma.
3. What aspect of hormonal contraceptives places a woman at the greatest risk for the development of blood clots?
- A. Hormonal contraceptives increase serum triglyceride and cholesterol levels.
- B. Hormonal contraceptives increase platelet levels.
- C. Hormonal contraceptives increase blood levels of clotting factors.
- D. Hormonal contraceptives cause injury to blood vessel linings.
Correct answer: C
Rationale: The correct answer is C. Hormonal contraceptives increase blood levels of clotting factors, particularly factors II, VII, IX, and X. This elevation in clotting factors can predispose individuals to thromboembolic events, including blood clots. Choices A, B, and D are incorrect because hormonal contraceptives do not have a significant effect on serum triglycerides and cholesterol, platelet levels, or causing direct injury to blood vessel linings as the primary mechanism for clot formation.
4. Which of the following is a clinical manifestation in a patient with renal impairment associated with polycystic kidney disease?
- A. Suprapubic pain
- B. Periorbital edema
- C. Low serum creatinine level
- D. Palpable kidneys
Correct answer: D
Rationale: The correct answer is D: Palpable kidneys. Polycystic kidney disease often leads to the development of multiple fluid-filled cysts within the kidneys, causing them to enlarge. Enlarged kidneys can be palpated during a physical examination. Choices A, B, and C are incorrect. Suprapubic pain is not a typical clinical manifestation of polycystic kidney disease. Periorbital edema is more commonly associated with conditions like nephrotic syndrome or heart failure. Low serum creatinine level is not expected in patients with renal impairment due to polycystic kidney disease; instead, elevated serum creatinine levels are more likely.
5. 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.
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