A nurse is reviewing medications for a client who has just been diagnosed with a small bowel obstruction. The nurse should withhold senna prescribed orally based on understanding of which of the following?
Laxatives are contraindicated in clients who have a small bowel obstruction.
An osmotic laxative, such as magnesium citrate, should be substituted in this client
The prescribed medication should be administered via NG route rather than the oral route for this client.
Bulk-forming laxatives such as psyllium should be substituted for this client
The Correct Answer is A
A. Laxatives are contraindicated in clients who have a small bowel obstruction: This is the correct answer. Laxatives like senna are contraindicated in the presence of a bowel obstruction as they can increase peristalsis and pressure in the bowel, leading to complications such as perforation.
B. An osmotic laxative, such as magnesium citrate, should be substituted in this client: This is incorrect. Osmotic laxatives are also contraindicated in bowel obstruction because they can draw water into the bowel and worsen the obstruction or cause severe complications.
C. The prescribed medication should be administered via NG route rather than the oral route for this client: This is incorrect. Administering any form of laxative via the NG route does not address the contraindication in bowel obstruction and is not a safe practice in this context.
D. Bulk-forming laxatives such as psyllium should be substituted for this client: This is incorrect. Bulk-forming laxatives are also contraindicated in bowel obstruction due to the risk of worsening the obstruction and causing complications.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is B
Explanation
A. Therapeutic effects may take weeks: the onset of the antisecretory effect of omeprazole is usually achieved within one hour, but it may take up to 4 weeks for it to work fully.
B. This drug should not be taken for a prolonged period of time: prolonged use can lead to complications such as nutrient malabsorption and bone fractures.
C. This drug must be used with antacids to be effective: This is incorrect; omeprazole is a proton pump inhibitor and works independently of antacids.
D. This drug is safe for long-term use: Omeprazole is generally safe for short-term use, but long-term use should be carefully monitored due to potential risks (such as decreased bone density, vitamin B12 deficiency, and kidney disease). It is not considered safe for indefinite or unrestricted long-term use.
Correct Answer is D
Explanation
A. Respiration: Respiration refers to the overall process of gas exchange, including both external (between air and blood in the lungs) and internal (between blood and tissues) respiration. It does not specifically describe blood flow.
B. Inspiration: Inspiration is the process of inhaling air into the lungs. It involves the movement of air, not blood.
C. Expiration: Expiration is the process of exhaling air out of the lungs. Like inspiration, it involves the movement of air, not blood.
D. Perfusion: Perfusion refers to the flow of blood through the lungs' blood vessels, allowing for the exchange of gases with the alveoli. It is the correct term for blood flow through the lungs.
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