A client is undergoing an abdominal computed tomography (CT) scan to evaluate suspected cholecystitis. The client expresses concern about potential radiation exposure. Which of the following responses should the nurse provide?
"The CT scan uses a magnetic field, so there is no radiation exposure."
"The amount of radiation used in a CT scan is very low and safe."
"There is no need to worry about radiation as the scan is done quickly."
"CT scans do not use radiation; they use sound waves for imaging."
The Correct Answer is B
Choice A reason:
CT scans use X-rays, not magnetic fields, to create detailed cross-sectional images of the body. They involve radiation exposure.
Choice B reason:
This statement is correct. While CT scans use X-rays, the amount of radiation used in modern CT machines is relatively low and considered safe. The benefits of the diagnostic information obtained from the scan usually outweigh the risks associated with the small amount of radiation exposure.
Choice C reason:
The speed of the scan does not impact the radiation exposure. The amount of radiation used in a CT scan remains the same regardless of the scan duration.
Choice D reason:
CT scans use X-rays, not sound waves. Sound waves are used in ultrasound imaging, not in CT scans.
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Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is D
Explanation
Choice A reason:
This statement describes an esophagoscopy, not an endoscopy. An endoscopy examines the upper gastrointestinal tract, including the stomach and duodenum.
Choice B reason:
This statement describes a colonoscopy, not an endoscopy. An endoscopy does not involve the lower gastrointestinal tract.
Choice C reason:
This statement describes an ultrasound, not an endoscopy. An endoscopy is a direct visualization procedure.
Choice D reason:
This statement is correct. An endoscopy involves inserting a flexible tube (endoscope) with a camera on the end through the mouth to examine the stomach and duodenum. It is a commonly used procedure to assess and diagnose peptic ulcer disease.
Correct Answer is C
Explanation
Choice A reason:
Taking NSAIDs with alcohol can increase the risk of gastrointestinal irritation and ulcer development. Alcohol should be avoided while taking NSAIDs.
Choice B reason:
Taking NSAIDs on an empty stomach can increase the risk of irritation and ulcer formation. To minimize this risk, NSAIDs should be taken with food or milk.
Choice C reason:
This statement is correct. Using NSAID patches or creams can provide pain relief without affecting the gastrointestinal tract, reducing the risk of peptic ulcer development.
Choice D reason:
While a high-fiber diet is generally beneficial for digestive health, it does not specifically counteract the effects of NSAIDs on the stomach lining.
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