what term describes invagination of one segment of bowel within another
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ATI Nursing Care of Children 2019 B

1. What term describes the invagination of one segment of bowel within another?

Correct answer: D

Rationale: Intussusception is the correct answer. It refers to the condition where one segment of the bowel folds into another, leading to an obstruction. Atresia (Choice A) is the absence or abnormal closure of a normal opening or tubular structure. Stenosis (Choice B) is the narrowing of a passage in the body. Herniation (Choice C) is the abnormal protrusion of an organ or tissue through a defect in its surrounding walls. Intussusception is a medical emergency commonly observed in infants and young children and necessitates prompt intervention to prevent severe complications.

2. What are classified as hydrocarbon poisons?

Correct answer: A

Rationale: Hydrocarbon poisons include substances like gasoline, turpentine, and lighter fluid, which are typically liquids derived from petroleum. Bleach is a corrosive substance, not a hydrocarbon.

3. What clinical manifestation should be the most suggestive of acute appendicitis?

Correct answer: D

Rationale: The correct answer is D: Colicky, cramping abdominal pain around the umbilicus. This type of pain is a common early sign of acute appendicitis. Rebound tenderness, choice A, is a later sign seen in the physical examination of a patient with appendicitis. Rectal bleeding, as described in choice B, is not typically associated with appendicitis. Abdominal pain that is relieved by eating, as mentioned in choice C, is more indicative of peptic ulcer disease rather than appendicitis.

4. 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.

5. The nurse suspects fluid overload in an infant receiving intravenous fluids. What clinical manifestation is suggestive of water intoxication?

Correct answer: C

Rationale: Water intoxication can lead to cerebral edema, causing neurological symptoms such as irritability and seizures. Oliguria, weight loss, and muscle weakness are not typical signs of water intoxication.

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