A 51-year-old Black man is scheduled to undergo a colonoscopy. Which of the following is correct about the procedure?
Adequate cleansing of the colon is not necessary.
The patient needs to follow a clear liquid diet started after midnight on the day before the test.
During the procedure, the patient is positioned lying on the left side with the knees drawn up to the chest.
The patient must be NPO at least 6 hours before the procedure.
The Correct Answer is C
Choice A reason: Adequate bowel cleansing is essential for visualization; skipping prep would compromise diagnostic accuracy.
Choice B reason: Clear liquid diet is recommended, but it should begin the entire day before the procedure, not only after midnight.
Choice C reason: This is correct. The left lateral decubitus position with knees flexed is standard for colonoscopy to facilitate scope insertion and patient comfort.
Choice D reason: While NPO status is required for sedation, the primary requirement is bowel prep; 6 hours alone is insufficient for procedure safety and visualization.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is A
Explanation
Choice A reason: HELLP syndrome is a severe form of preeclampsia characterized by Hemolysis, Elevated Liver enzymes, and Low Platelets. The patient’s lab values and clinical symptoms of right upper quadrant pain and chest tenderness are classic indicators of HELLP.
Choice B reason: Gestational diabetes involves hyperglycemia during pregnancy and does not typically present with liver enzyme elevations, hemolysis, or low platelets.
Choice C reason: Toxoplasmosis is an infectious condition that can affect the fetus but does not produce the constellation of maternal lab abnormalities seen here.
Choice D reason: Cytomegalovirus infection can cause systemic symptoms, but it does not explain the combination of preeclampsia, elevated liver enzymes, low platelets, and hemolysis.
Correct Answer is A
Explanation
Choice A reason: Atrial fibrillation typically presents with a rapid and irregular heartbeat. A pulse rate of 157 beats per minute is tachycardic and may indicate AF, especially in the context of palpitations, dyspnea, and syncope.
Choice B reason: Low blood pressure may be associated with multiple cardiac conditions but is not specific for AF.
Choice C reason: Bradycardia is generally not associated with typical atrial fibrillation unless there is a conduction defect or medication effect.
Choice D reason: Elevated blood pressure alone is not diagnostic of atrial fibrillation. It may be a chronic condition or a comorbidity.
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