ATI RN
ATI Pathophysiology Exam
1. A 23-year-old pregnant female visits her primary care provider for her final prenatal checkup. The primary care provider determines that the fetus has developed an infection in utero. Which of the following would be increased in the fetus at birth?
- A. IgG
- B. IgA
- C. IgM
- D. IgD
Correct answer: C
Rationale: The correct answer is IgM. IgM is the first antibody produced in response to an infection and is elevated in a fetus with an in utero infection. IgG is the primary antibody responsible for providing immunity to the fetus and is transferred across the placenta during the third trimester. IgA is mainly found in mucosal areas and colostrum but not significantly elevated in fetal infections. IgD is involved in the development and maturation of B cells but not typically increased in fetal infections.
2. A patient is starting on oral contraceptives. What should the nurse emphasize about the importance of taking the medication at the same time each day?
- A. Taking the medication at the same time each day helps maintain stable hormone levels and ensures effectiveness.
- B. Taking the medication at the same time each day reduces the risk of breakthrough bleeding.
- C. Taking the medication at the same time each day ensures consistent absorption and effectiveness.
- D. Taking the medication at the same time each day is important, but missing a dose occasionally is not a concern.
Correct answer: A
Rationale: The correct answer is A. Taking oral contraceptives at the same time each day helps maintain stable hormone levels and ensures their effectiveness in preventing pregnancy. Choice B is incorrect because the primary emphasis of consistent timing is on hormone levels and effectiveness, not on reducing breakthrough bleeding. Choice C is incorrect because while consistent absorption is a factor, the main focus is on maintaining stable hormone levels. Choice D is incorrect as missing doses can significantly impact contraceptive efficacy.
3. A patient is prescribed sildenafil (Viagra) for erectile dysfunction. What critical contraindication should the nurse review with the patient?
- A. Use of nitrates
- B. Use of antihypertensive medications
- C. History of hypertension
- D. History of peptic ulcer disease
Correct answer: A
Rationale: The correct answer is A: Use of nitrates. Sildenafil (Viagra) is contraindicated in patients taking nitrates due to the risk of severe hypotension. Nitrates and sildenafil both cause vasodilation, which can lead to a dangerous drop in blood pressure. Choice B (Use of antihypertensive medications) is incorrect because antihypertensive medications are not a critical contraindication for sildenafil use. Choice C (History of hypertension) is incorrect as it is not a contraindication for sildenafil; in fact, sildenafil is sometimes used in patients with hypertension. Choice D (History of peptic ulcer disease) is also incorrect as it is not a critical contraindication for sildenafil use.
4. Which of the following is a complication of compartment syndrome?
- A. Hemorrhage
- B. Pain and tissue damage
- C. Increased limb function
- D. Chronic kidney disease
Correct answer: B
Rationale: The correct answer is B: Pain and tissue damage. Compartment syndrome occurs due to increased pressure within the muscle compartments, leading to pain and tissue damage. Hemorrhage (choice A) is not a typical complication of compartment syndrome. Increased limb function (choice C) is not a complication but rather a potential improvement if the condition is managed appropriately. Chronic kidney disease (choice D) is unrelated to compartment syndrome.
5. When administering azoles in the home setting, the home health nurse should prioritize educational interventions that address what nursing diagnosis?
- A. Risk for injury related to antifungal therapy
- B. Risk for acute confusion related to antifungal therapy
- C. Risk for infection related to antifungal therapy
- D. Risk for falls related to antifungal therapy
Correct answer: A
Rationale: The correct answer is A: Risk for injury related to antifungal therapy. When administering azoles, the priority is to educate patients and caregivers about potential side effects that could lead to injury, such as hepatotoxicity or allergic reactions. Choices B, C, and D are incorrect because acute confusion, infection, and falls are not typically associated with azole therapy.
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