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.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is B
Explanation
Choice A reason:
Avoiding all dairy products is not a preventive measure for H. pylori reinfection. Dairy consumption does not play a significant role in H. pylori colonization or infection.
Choice B reason:
This statement is correct. H. pylori is primarily transmitted through the oral-oral or fecal-oral route. Practicing strict hand hygiene, especially after using the restroom and before eating, can help reduce the risk of transmission and reinfection.
Choice C reason:
Including raw vegetables in the diet is not a specific preventive measure for H. pylori reinfection. A balanced diet that promotes overall gut health may be beneficial, but raw vegetables alone do not prevent H. pylori reinfection.
Choice D reason:
Taking over-the-counter antacids regularly is not a preventive strategy for H. pylori reinfection. Antacids do not target the bacterium and are not effective in eradicating H. pylori.
Correct Answer is A
Explanation
Choice A reason:
This statement is correct. Chronic cholecystitis can lead to impaired gallbladder emptying, resulting in difficulties in digesting fats. Indigestion and bloating after meals are common manifestations of this problem.
Choice B reason:
Excessive stomach acid production is more associated with conditions like GERD or peptic ulcer disease, and it is not directly related to chronic cholecystitis.
Choice C reason:
Inflammation of the small intestine may cause abdominal pain, diarrhea, or malabsorption issues, but it is not specifically related to the symptoms described in the question.
Choice D reason:
Decreased production of pancreatic enzymes may lead to malabsorption issues and cause symptoms like diarrhea and steatorrhea. However, it is not the primary cause of indigestion and bloating after meals in chronic cholecystitis.
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