The nurse is aware that patients who are not candidates for magnetic resonance imaging (MRI) include patients with: (Select all that apply)
cardiac pacemakers.
allergy to iodine.
automatic implantable cardiac defibrillators
metal hip prosthesis.
bleeding tendencies.
Correct Answer : A,C,D
A. Cardiac pacemakers: MRIs use strong magnets that can interfere with pacemaker function.
B. Allergy to iodine: Iodine is used in contrast for CT scans, not MRI, so this is not a contraindication.
C. Automatic implantable cardiac defibrillators: Similar to pacemakers, these devices can malfunction or pose risks during MRI.
D. Metal hip prosthesis: Metal can become heated or shifted due to the magnetic field, posing a risk to the patient.
E. Bleeding tendencies: While bleeding tendencies are a concern for invasive procedures, they are not a contraindication for MRI.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is A
Explanation
A. On his right side lying for 2 hours. Placing the patient on the right side applies pressure to the biopsy site, reducing the risk of bleeding from the liver.
B. Supine for 3 hours: Does not apply targeted pressure to the biopsy site, increasing bleeding risk.
C. Prone for 1 hour: This position is not relevant to liver biopsy care.
D. On his left side lying for 4 hours: Incorrect, as it does not apply pressure to the biopsy site on the right side.
Correct Answer is A
Explanation
A. Obtain the specimen from two parts of the stool. Collecting from two different areas increases the chance of identifying parasites or their ova, as they may not be uniformly distributed in the stool.
B. Obtain the specimen from the middle of the stool: This limits the potential for detecting parasites in other areas of the stool.
C. Place the whole stool specimen in the specimen container: Typically unnecessary and may overfill the container, causing contamination.
D. Include any liquid stool: While liquid stool may be relevant, the sample should still come from multiple areas.
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