melena the passage of black tarry stools suggests bleeding from which source
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Nursing Elites

ATI RN

ATI Nursing Care of Children 2019 B

1. Melena, the passage of black, tarry stools, suggests bleeding from which source?

Correct answer: B

Rationale: Melena indicates bleeding from the upper GI tract. The black, tarry appearance of the stool results from the partial digestion of blood as it passes through the intestines, typically originating from sources like the stomach or duodenum. Lower GI bleeding usually presents as bright red blood in the stool, originating from sources like the colon or rectum. Choices A, C, and D are incorrect because melena specifically points to upper GI bleeding rather than issues in the perianal/rectal area, lower GI tract, or hemorrhoids/anal fissures.

2. What is most important in the management of cellulitis?

Correct answer: B

Rationale: Oral or parenteral antibiotics are essential in treating cellulitis to eliminate the infection. Topical antibiotics are not sufficient, and incision and drainage are only for abscesses.

3. The nurse is conducting discharge teaching to an adolescent with a methicillin-resistant Staphylococcus aureus (MRSA) infection. What should the nurse include in the instructions?

Correct answer: B

Rationale: Avoiding sharing of towels and washcloths, using bleach when laundering, and taking daily baths with antibacterial soap are critical to prevent the spread of MRSA. Cold water is not effective for laundering in these cases.

4. The nurse is teaching the mother of a 9-month-old infant about administering liquid iron preparation. Which information should be included in the teaching?

Correct answer: A

Rationale: The correct answer is A. Iron supplements can cause stools to turn black, which is a normal and harmless side effect. Iron is best absorbed on an empty stomach, although it can be given with food if gastrointestinal upset occurs. Vitamin C, not D, enhances iron absorption. Choice B is incorrect because Vitamin C enhances iron absorption, not Vitamin D. Choice C is incorrect as there is no need to mix liquid iron with saliva before swallowing. Choice D is incorrect because iron is best absorbed on an empty stomach.

5. The nurse is taking a sexual history on an adolescent girl. Which is the best way to determine whether she is sexually active?

Correct answer: A

Rationale: Directly asking the adolescent if she is sexually active is the most straightforward and respectful approach, ensuring privacy and fostering trust.

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