What is the primary reason for using a lower radiation dose when performing X-ray imaging on pediatric patients?
Pediatric patients have thinner bones and require less radiation.
Pediatric patients are more sensitive to radiation exposure.
Lower radiation dose improves image quality in pediatric patients.
The size of pediatric patients necessitates lower radiation doses.
The Correct Answer is B
Pediatric patients are more sensitive to the effects of ionizing radiation compared to adults. Therefore, using a lower radiation dose is essential to minimize the potential long-term risks associated with radiation exposure in pediatric populations.
a. The thickness of bones is not the primary factor for using lower radiation doses in pediatric patients. The decision is based on their increased sensitivity to radiation.
c. Lowering the radiation dose in pediatric patients may compromise image quality to some extent, but the primary reason is to reduce radiation exposure to these vulnerable populations.
d. While the size of pediatric patients may influence radiation dose adjustments, the main concern is their increased radiation sensitivity rather than physical size.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is A
Explanation
Metal objects, including jewelry and accessories, can interfere with the X-ray image quality. Instructing the client to remove these items ensures accurate results.
b. "Consume a full meal before the procedure." This choice is incorrect because it is generally recommended to fast for a certain period before an X-ray, especially if contrast dye will be used. Eating a full meal could affect the accuracy of the images.
c. "Drink a large amount of water before the procedure." This choice is incorrect because drinking a large amount of water is not typically required for a standard X-ray procedure. However, specific instructions may be given if a contrast dye is used.
d. "Avoid taking any pain medications before the procedure." This choice is incorrect because taking pain medications is not typically contraindicated before an X-ray. Pain medications may be taken as needed and should not significantly affect the procedure.
Correct Answer is B
Explanation
For an X-ray of the chest, the patient should wear loose-fitting clothing that does not contain any metal, such as zippers, buttons, or jewelry, to avoid interference with the X-ray image and ensure optimal visualization of the chest.
a. Refraining from eating or drinking for 24 hours before the procedure is not necessary for a chest X-ray, as it is a non-invasive procedure that does not require fasting.
c. While it is essential for the patient to lie still during the X-ray, this instruction is not specific to a chest X-ray; it applies to all X-ray procedures to prevent motion artifacts.
d. Emptying the bladder is not required for a chest X-ray, as the bladder is not in the field of view for this particular imaging procedure.
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