. 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 D
Explanation
A. Using a dime-sized amount of the medication is not the recommended instruction for tretinoin. A small, pea-sized amount is typically advised to avoid irritation and overuse.
B. Tretinoin should be applied at night, not in the morning, as it increases sensitivity to sunlight and can cause irritation when exposed to sunlight.
C. It is generally recommended to wait 20-30 minutes after washing the face before applying tretinoin, not just 5 minutes. This allows the skin to dry completely, reducing irritation.
D. Tretinoin can cause skin sensitivity, making the skin more prone to sunburn. Using a sunscreen with SPF 15 or higher is crucial to protect the skin from harmful UV rays while using tretinoin.
Correct Answer is A
Explanation
A. Infants with heart failure may experience fatigue during feeding, so smaller, more frequent feedings are recommended to prevent exhaustion and ensure adequate nutrition. Feedings every 3 hours are typically recommended to maintain a steady intake without overexertion.
B. Diluting formula to half strength is not recommended for an infant with heart failure, as it can lead to malnutrition and insufficient caloric intake. The formula should be provided at normal strength.
C. Placing the infant in a lateral position during feeding could be unsafe, as it may increase the risk of aspiration. The infant should generally be fed in an upright or semi-upright position to reduce aspiration risk and promote optimal digestion.
D. Bolus gavage feedings are typically used for infants who are unable to feed orally due to medical conditions, but for a child with heart failure who is feeding orally, more frequent and smaller feedings would be preferable.
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