ATI RN
ATI Pathophysiology Exam 2
1. A healthcare provider is explaining to a patient the difference between primary and secondary immunodeficiency disorders and explains that secondary immunodeficiencies (select ONE that does not apply):
- A. May develop after viral infections
- B. Develop before birth
- C. May develop following immunosuppressive therapies
- D. Are caused by superimposed conditions
Correct answer: B
Rationale: The correct statements about secondary immunodeficiencies are that they may develop after viral infections, following immunosuppressive therapies, and are caused by superimposed conditions. Choice B ('Develop before birth') is incorrect because secondary immunodeficiencies do not develop before birth. They are acquired later in life. Therefore, the correct answers are A, C, and D.
2. Which of the following best describes Cushing’s syndrome?
- A. Hypersecretion of growth hormone
- B. Excessive production of cortisol by the adrenal glands
- C. Insufficient production of insulin
- D. Increased levels of ACTH
Correct answer: B
Rationale: Cushing’s syndrome is characterized by the excessive production of cortisol by the adrenal glands, not growth hormone (Choice A), insulin (Choice C), or ACTH (Choice D). The increased cortisol levels lead to a variety of symptoms associated with Cushing’s syndrome.
3. A patient with a history of cardiovascular disease is being prescribed hormone replacement therapy (HRT). What should the nurse include in the patient education regarding the risks associated with HRT?
- A. HRT may increase the risk of cardiovascular events, including heart attack and stroke.
- B. HRT may decrease the risk of osteoporosis.
- C. HRT may increase the risk of venous thromboembolism.
- D. HRT may decrease the risk of breast cancer.
Correct answer: A
Rationale: The correct answer is A. Hormone replacement therapy (HRT) is associated with an increased risk of cardiovascular events, including heart attack and stroke, especially in patients with a history of cardiovascular disease. Choice B is incorrect because HRT does not decrease the risk of osteoporosis; in fact, it may increase the risk of certain conditions like venous thromboembolism, as mentioned in choice C. Choice D is also incorrect as HRT has been associated with a slight increase in the risk of breast cancer.
4. In osteoporosis, what is the expected therapeutic action of raloxifene (Evista)?
- A. It decreases bone resorption and increases bone density.
- B. It stimulates the formation of new bone.
- C. It increases calcium absorption in the intestines.
- D. It decreases the excretion of calcium through the kidneys.
Correct answer: A
Rationale: The correct answer is A. Raloxifene works by decreasing bone resorption and increasing bone density. This helps in strengthening bones, reducing the risk of fractures, and improving bone health in patients with osteoporosis. Choice B is incorrect because raloxifene does not directly stimulate the formation of new bone but rather prevents bone loss. Choice C is incorrect as raloxifene does not primarily affect calcium absorption in the intestines. Choice D is also incorrect as raloxifene does not primarily decrease the excretion of calcium through the kidneys.
5. A male patient with benign prostatic hyperplasia (BPH) is prescribed finasteride (Proscar). What therapeutic effect is expected from this medication?
- A. Reduction in prostate size and improvement in urinary symptoms
- B. Increase in urine flow and relief of urinary obstruction
- C. Improvement in erectile function
- D. Relief of pain associated with BPH
Correct answer: A
Rationale: The correct answer is A: Reduction in prostate size and improvement in urinary symptoms. Finasteride works by reducing the size of the prostate gland, which in turn helps alleviate urinary symptoms such as frequency, urgency, weak stream, and incomplete emptying of the bladder. Choice B is incorrect as while finasteride can improve urine flow indirectly by reducing prostate size, it does not directly increase urine flow. Choice C is incorrect because finasteride is not intended to improve erectile function. Choice D is incorrect as finasteride does not primarily provide relief from pain associated with BPH.
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