which of the following is a common cause of mechanical small intestine obstruction
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Nursing Elites

ATI RN

MSN 570 Advanced Pathophysiology Final 2024

1. Which of the following is a common cause of mechanical small intestine obstruction?

Correct answer: B

Rationale: Postoperative adhesions are a common cause of mechanical small intestine obstruction. Adhesions can form after abdominal surgery, causing bands of scar tissue that may twist or pull the intestines, leading to obstruction. This is a more common cause compared to infection, tumors, or foreign bodies. Infection may lead to inflammation but is not a typical cause of mechanical obstruction. Tumors and foreign bodies can cause blockages but are less common than postoperative adhesions.

2. When does pain in the lower extremities due to peripheral artery disease usually worsen?

Correct answer: B

Rationale: Pain in the lower extremities due to peripheral artery disease usually worsens with elevation of the extremity because blood is diverted away from the affected area, leading to decreased perfusion and exacerbation of symptoms. Choices A, C, and D are incorrect because resting, dependent position, and touch/massage do not typically worsen the pain associated with peripheral artery disease.

3. A patient is prescribed medroxyprogesterone acetate (Provera) for the treatment of endometriosis. What key instruction should the nurse provide regarding the use of this medication?

Correct answer: A

Rationale: The correct instruction the nurse should provide regarding the use of medroxyprogesterone acetate (Provera) for endometriosis is to take the medication at the same time each day. This helps to maintain consistent hormone levels and ensures the effectiveness of the treatment. Choice B is incorrect because medroxyprogesterone should be taken without regard to meals. Choice C is incorrect because side effects should be reported to the healthcare provider for evaluation rather than discontinuing the medication without medical advice. Choice D is incorrect as medroxyprogesterone is usually taken daily, not weekly, for the treatment of endometriosis.

4. A patient with systemic candidiasis has been prescribed flucytosine. The nurse should be aware of the need to administer this drug with which of the following?

Correct answer: C

Rationale: The correct answer is C: Amphotericin B. When treating systemic candidiasis, Amphotericin B is the drug of choice, not flucytosine. Amphotericin B is an antifungal medication used to treat severe fungal infections like systemic candidiasis. Choices A, B, and D are incorrect because vitamin D and calcium supplements, fluconazole, and penicillin G are not the drugs of choice for treating systemic candidiasis.

5. Which of the following is a characteristic of the human immunodeficiency virus (HIV), which causes AIDS?

Correct answer: B

Rationale: The correct answer is B. HIV is a retrovirus that infects T cells and leads to the gradual destruction of the immune system. Choice A is incorrect because HIV infects T cells primarily, not just B cells. Choice C is incorrect because HIV infection requires host cell receptors for entry. Choice D is incorrect because cell death after HIV infection is not immediate; instead, the virus gradually weakens the immune system over time.

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