ATI RN
ATI Pathophysiology Final Exam
1. What are direct effects of antibodies? (Select ONE that does not apply):
- A. Neutralization
- B. Agglutination
- C. Precipitation
- D. Phagocytosis
Correct answer: D
Rationale: The direct effects of antibodies include neutralization, agglutination, and precipitation. Antibodies neutralize pathogens by binding to them and preventing their harmful effects. Agglutination involves the clumping together of pathogens, making it easier for phagocytes to engulf them. Precipitation refers to the process where antibodies bind to soluble antigens, forming large complexes that are easily removed from the body. Phagocytosis, on the other hand, is an indirect effect of antibodies where phagocytes engulf and destroy pathogens opsonized by antibodies, not a direct effect.
2. A patient is taking medroxyprogesterone acetate (Provera) for the treatment of endometriosis. What should the nurse include in the patient teaching?
- A. Take the medication with food to prevent gastrointestinal upset.
- B. Avoid prolonged sun exposure while taking this medication.
- C. Take the medication at the same time each day to maintain consistent hormone levels.
- D. Discontinue the medication if side effects occur.
Correct answer: C
Rationale: The correct answer is to take the medication at the same time each day to maintain consistent hormone levels. This is important for the effectiveness of medroxyprogesterone acetate. Choice A is incorrect because medroxyprogesterone acetate does not need to be taken with food. Choice B is irrelevant as sun exposure is not a concern with this medication. Choice D is incorrect as discontinuing the medication without consulting a healthcare provider can lead to adverse effects.
3. A male patient receiving androgen therapy is concerned about side effects. What is the most serious adverse effect the nurse should monitor for during this therapy?
- A. Increased risk of cardiovascular events
- B. Increased risk of bone fractures
- C. Increased risk of venous thromboembolism
- D. Increased risk of mood changes
Correct answer: A
Rationale: The correct answer is A: Increased risk of cardiovascular events. Androgen therapy can significantly increase the risk of cardiovascular events, such as heart attack and stroke, especially in older patients. Monitoring for signs and symptoms of cardiovascular issues is crucial during this therapy. Choice B, increased risk of bone fractures, is not typically associated with androgen therapy. Choice C, increased risk of venous thromboembolism, is more commonly linked to estrogen therapy rather than androgen therapy. Choice D, increased risk of mood changes, can occur with androgen therapy but is not as serious or life-threatening as cardiovascular events.
4. 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.
5. A 17-year-old woman has come to the clinic requesting emergency contraception after having unprotected sex 24 hours ago. What medication is the clinician most likely to prescribe?
- A. Levonorgestrel (Plan B)
- B. Mifepristone (RU-486)
- C. Ulipristal acetate (ella)
- D. Estradiol (Estrace)
Correct answer: A
Rationale: The correct answer is A: Levonorgestrel (Plan B). Levonorgestrel is the most commonly prescribed medication for emergency contraception within 72 hours of unprotected intercourse. It is effective when taken within 72 hours after intercourse, with better efficacy the sooner it is taken. Choice B, Mifepristone (RU-486), is not indicated for emergency contraception but is used for medical abortion. Choice C, Ulipristal acetate (ella), is another option for emergency contraception that is effective up to 120 hours after unprotected intercourse. Choice D, Estradiol (Estrace), is not used for emergency contraception.
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