. 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.

Answer and Explanation

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.

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Correct Answer is A

Explanation

A. A 9-month-old infant is expected to demonstrate a crude pincer grasp, which involves picking up small objects between the thumb and forefinger. This is a developmental milestone for this age.

B. While infants may shake their heads by this age, it is typically not used in the context of saying "no." This action is usually a sign of exploration or reaction to stimulation.

C. A 9-month-old typically does not use two-word phrases. By this age, infants are usually babbling and may say single words like "mama" or "dada."

D. A 9-month-old is not expected to build a tower of four blocks. By 12-15 months, infants may begin to stack blocks.

A. Wooden building blocks B. Stringing beads C. Colored paper and safety scissors D. Alphabet flash cards

Correct Answer is A

Explanation

A. Wooden building blocks are appropriate for an 18-month-old child, as they promote motor skills development, coordination, and creativity. At this age, children engage in parallel play and are developing their ability to manipulate objects.

B. Stringing beads requires more advanced fine motor skills that an 18-month-old child is not yet ready for. This activity is more appropriate for older children.

C. Colored paper and safety scissors could be a choking hazard for an 18-month-old child, and using scissors requires more advanced fine motor skills than most toddlers possess.

D. Alphabet flash cards are more suitable for older children, typically those who are 3 years and older, as they are better able to understand letters and begin to form associations with words.

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