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. How can a nurse determine the efficacy of a child's mebendazole treatment for roundworm after 3 weeks?
- A. Liver function tests
- B. Stool for ova and parasites
- C. Colonoscopy or sigmoidoscopy
- D. Rectal swab for culture
Correct answer: B
Rationale: The correct answer is B: Stool for ova and parasites. To assess the efficacy of treatment for roundworm, the nurse would examine the stool for ova (eggs) and parasites. This test helps determine if the infection has been cleared. Choices A, C, and D are incorrect because liver function tests are not commonly used to monitor roundworm treatment efficacy, and colonoscopy/sigmoidoscopy as well as rectal swab for culture are not routine diagnostic tests for assessing the effectiveness of mebendazole treatment for roundworm.
3. In discussing sex hormone production with the patient, the nurse should describe that testosterone is normally secreted in response to
- A. sexual arousal.
- B. stimulation by luteinizing hormone.
- C. ACTH release by the adrenal cortex.
- D. decreased cortisol levels.
Correct answer: B
Rationale: Testosterone production is regulated by the hypothalamic-pituitary-gonadal axis. Luteinizing hormone (LH) stimulates the Leydig cells in the testes to produce testosterone. Therefore, the correct answer is B. Choice A, 'sexual arousal,' is incorrect because testosterone secretion is not directly linked to arousal but rather to hormonal stimulation. Choice C, 'ACTH release by the adrenal cortex,' is incorrect as testosterone production is not primarily regulated by adrenocorticotropic hormone (ACTH). Choice D, 'decreased cortisol levels,' is also incorrect as cortisol and testosterone are regulated by separate endocrine pathways.
4. A patient is taking testosterone for hypogonadism. What adverse effect should the nurse monitor for during this therapy?
- A. Increased risk of liver dysfunction
- B. Increased risk of cardiovascular events
- C. Increased risk of prostate cancer
- D. Increased risk of bone fractures
Correct answer: B
Rationale: The correct adverse effect to monitor for when a patient is taking testosterone for hypogonadism is an increased risk of cardiovascular events. Testosterone therapy has been associated with an elevated risk of cardiovascular events such as heart attack and stroke, especially in older patients. Monitoring cardiovascular health is crucial during testosterone therapy. The other choices are incorrect because testosterone therapy is not primarily linked to liver dysfunction (choice A), prostate cancer (choice C), or bone fractures (choice D).
5. A 5-year-old male was diagnosed with normocytic-normochromic anemia. Which of the following anemias does the nurse suspect the patient has?
- A. Sideroblastic anemia
- B. Hemolytic anemia
- C. Pernicious anemia
- D. Iron deficiency anemia
Correct answer: B
Rationale: The correct answer is B, Hemolytic anemia. Normocytic-normochromic anemia is a type of anemia characterized by normal-sized and normal-colored red blood cells. Hemolytic anemia is a condition where red blood cells are destroyed prematurely, leading to normocytic-normochromic anemia. Sideroblastic anemia (Choice A) is characterized by ringed sideroblasts in the bone marrow. Pernicious anemia (Choice C) is due to vitamin B12 deficiency. Iron deficiency anemia (Choice D) is characterized by microcytic-hypochromic red blood cells.
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