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 supine with legs flexed outward into a frog-like position.
Position the child sitting with their buttocks at the edge of the table.
Position the child side-lying to expose the vertebrae.
Place the child in prone position to expose the posterior iliac crest.
The Correct Answer is D
Choice A rationale
Placing the child supine with legs flexed outward into a frog-like position is appropriate for certain procedures but not for bone marrow aspiration. This position is more commonly used for procedures involving the genital or lower abdominal areas and does not provide optimal access to the posterior iliac crest.
Choice B rationale
Positioning the child sitting with their buttocks at the edge of the table is not suitable for bone marrow aspiration. This position may cause discomfort and instability for the child and does not expose the posterior iliac crest, the typical site for bone marrow collection in children.
Choice C rationale
Positioning the child side-lying to expose the vertebrae is used for lumbar punctures or procedures involving the spinal column. This position does not provide access to the posterior iliac crest, which is the preferred site for bone marrow aspiration in children. It is important to use the correct position to ensure a successful procedure.
Choice D rationale
Placing the child in prone position to expose the posterior iliac crest is the correct method for bone marrow aspiration. This position allows the healthcare provider to easily access the iliac crest, a common site for obtaining bone marrow samples. Ensuring the child is in the correct position helps minimize discomfort and facilitates the procedure.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is A
Explanation
Choice A rationale
The HbA1c test measures the average blood glucose levels over the past two to three months by assessing the percentage of glycosylated hemoglobin. Hemoglobin within red blood cells binds to glucose, and the higher the blood glucose levels, the more glucose is bound to hemoglobin.
Choice B rationale
The HbA1c test does not check for ketones in the urine. Ketone testing is typically done using urine test strips, which indicate if the body is using fat for energy instead of carbohydrates, a condition that can occur in poorly managed diabetes.
Choice C rationale
The HbA1c test does not measure the amount of hemoglobin in the blood. It specifically evaluates how much glucose is attached to hemoglobin, providing insight into the effectiveness of diabetes management over a period of time.
Choice D rationale
The HbA1c test does not indicate oxygen-carrying capacity. Oxygen levels are assessed by different tests, such as arterial blood gas analysis or pulse oximetry, and are not related to the HbA1c measurement.
Correct Answer is A
Explanation
Choice A rationale
Erythema infectiosum, or fifth disease, typically begins with a "slapped cheek" rash on the face. This is often the first noticeable sign of the disease before the rash spreads to other parts of the body.
Choice B rationale
The rash associated with fifth disease does not usually start on the arms. The initial presentation is on the cheeks, which can later spread to the trunk and extremities.
Choice C rationale
It is uncommon for the rash of erythema infectiosum to initially appear on the legs. The characteristic facial rash precedes the spread of the rash to other areas.
Choice D rationale
While the rash may eventually spread to the back, it typically starts on the face. The "slapped cheek" appearance is a hallmark sign of fifth disease.
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