. A nurse is assisting with the collection of a bone marrow specimen from a preschooler. Which of the following actions should the nurse take?
Place the child in prone position to expose the posterior iliac crest.
Position the child side-lying to expose the vertebrae.
Place the child supine with legs flexed outward into a frog-like position.
Position the child sitting with their buttocks at the edge of the table.
The Correct Answer is A
A. The posterior iliac crest is the typical site for bone marrow aspiration in children. Placing the child in the prone position allows for proper access to the site while ensuring the child remains safe and stable during the procedure.
B. Positioning the child side-lying would expose the vertebrae but is not an optimal position for accessing the iliac crest for bone marrow aspiration.
C. The frog-like position (supine with legs flexed outward) is not an appropriate position for a bone marrow aspiration, as it does not provide the best access to the iliac crest or posterior iliac crest.
D. Sitting with the buttocks at the edge of the table would not adequately expose the posterior iliac crest, making it unsuitable for bone marrow aspiration.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is B
Explanation
A. Neck flexion when bending forward is not a typical indicator of scoliosis. Scoliosis is identified by abnormal curvature of the spine, not by the neck.
B. Uneven shoulders when standing erect are a key indicator of scoliosis. This asymmetry can be identified when the child bends forward at the waist, which is a standard test for scoliosis during a physical examination.
C. Toes that point inward when bending forward is not a sign of scoliosis. This could be indicative of a different musculoskeletal issue such as hip or leg alignment problems, but it is not related to scoliosis.
D. Knees that bow outward when standing erect indicate bow-leggedness (genu varum), not scoliosis. Scoliosis specifically affects the spine's curvature.
Correct Answer is B
Explanation
A. Passive range-of-motion exercises should be performed to prevent complications like contractures, but they should be done as ordered by the provider, not automatically every 2 hours.
B. Applying protective padding to the end of the pin sites helps prevent pressure injuries and irritation, which is a key part of maintaining skin integrity and preventing infection.
C. There is no indication that fiber intake should be reduced. In fact, a high-fiber diet is encouraged to prevent constipation, which is a common complication for immobile patients.
D. The traction weights should not be lifted off the floor, as this could interfere with the traction setup and the healing process. Traction should be maintained properly to align and stabilize the fracture.
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