which of the following disorders is more likely associated with blood in stool
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Nursing Elites

ATI RN

Pathophysiology Practice Questions

1. Which of the following disorders is more likely to be associated with blood in the stool?

Correct answer: D

Rationale: The correct answer is D, Colon cancer. Colon cancer commonly presents with blood in the stool due to bleeding from the tumor. Gastroesophageal reflux (Choice A) is associated with heartburn and regurgitation of stomach contents into the esophagus. Crohn's disease (Choice B) is a type of inflammatory bowel disease that can cause symptoms like abdominal pain, diarrhea, and weight loss, but it does not typically present with blood in the stool as a primary symptom. Irritable bowel syndrome (Choice C) is a functional gastrointestinal disorder characterized by symptoms such as abdominal pain, bloating, and changes in bowel habits, but it does not usually involve blood in the stool as a prominent feature.

2. In addition to matching ABO antigens, a blood transfusion must also be matched for:

Correct answer: B

Rationale: The correct answer is B: Rh antigen. In addition to ABO antigens, Rh antigen must also be matched for a blood transfusion. Rh antigen compatibility is crucial to prevent adverse reactions. Choice A, HLA type, is not directly related to blood transfusions but plays a role in organ transplantation. Choice C, Immunoglobulins, are not typically matched for blood transfusions. Choice D, Platelet compatibility, while important in specific cases, is not a standard requirement for all blood transfusions.

3. On the advice of his brother, a 53-year-old man has made an appointment to request a prescription for Viagra. The nurse who works at the clinic is reviewing the man's medical history and would recognize what health problem as being prohibitive to this treatment?

Correct answer: C

Rationale: Nitroglycerin is contraindicated with Viagra due to their combined effects on lowering blood pressure, which can result in a severe drop and potentially life-threatening complications. Using both medications together can lead to hypotension, putting the patient at risk. Therefore, the presence of angina treated with nitroglycerin would make prescribing Viagra unsafe. Choices A, B, and D are not directly contraindicated with Viagra and can be managed concurrently with this treatment.

4. What can multiple dark bands on the nails indicate?

Correct answer: B

Rationale: Multiple dark bands on the nails can be associated with malignant melanoma, a serious type of skin cancer. While dark bands on the nails can sometimes be a normal variant, they should not be ignored as they could also be a sign of a serious condition like melanoma. Nail fungus typically presents with different symptoms such as thickened, discolored, or brittle nails. Dark bands on the nails are not directly associated with aging.

5. A patient is prescribed sildenafil (Viagra) for erectile dysfunction. What is a key contraindication that the nurse should review with the patient?

Correct answer: B

Rationale: The correct answer is B: 'Use of nitrates.' Sildenafil (Viagra) is contraindicated in patients taking nitrates due to the risk of severe hypotension. Nitrates and sildenafil both act as vasodilators, and their combined use can lead to a dangerous drop in blood pressure. Choices A, C, and D are incorrect because having a history of hypertension, using antihypertensive medications, or having a history of peptic ulcer disease are not key contraindications for sildenafil use.

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