A nurse is reinforcing teaching with a client about how to collect a stool specimen. Which of the following instructions should the nurse include?

Urinate after the specimen collection.

Place 1.3 cm (0.5 in) of formed stool into a culture tube.

Keep the specimen in a warm area.

Avoid placing toilet tisane in the bedpan after defecation.

Answer and Explanation

The Correct Answer is D

Choice A Reason:

Urinating after the specimen collection is incorrect. While it's important to ensure urine doesn't contaminate the stool specimen during collection, the instruction to urinate after the collection doesn't directly impact the collection process itself. The primary focus is on avoiding contamination of the stool sample with urine or toilet tissue during collection.

Choice B Reason:

Placing 1.3 cm (0.5 in) of formed stool into a culture tube is incorrect. The amount of stool needed for a specimen can vary based on the specific test requirements or laboratory instructions. A fixed measurement, like 1.3 cm of formed stool, might not accurately represent the necessary quantity for all types of stool tests. Specific instructions from the healthcare provider or laboratory should be followed for proper collection.

Choice C Reason:

Keeping the specimen in a warm area is incorrect. Stool specimens are typically collected and stored at room temperature unless otherwise specified by specific test instructions. Placing the specimen in a warm area could alter the characteristics of the sample or promote bacterial growth, potentially affecting test accuracy. The specimen should be handled according to the specific requirements outlined for the particular test.

Choice D Reason:

Avoid placing toilet tissue in the bedpan after defecation is correct. Placing toilet tissue in the bedpan after defecation can contaminate the stool specimen, affecting the accuracy of test results. It's important to collect the stool sample without any contamination from toilet tissue or urine.

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Correct Answer is C

Explanation

Choice A Reason:

Verifying the bilirubin level of the tube contents is incorrect. Measuring bilirubin levels in the tube contents is not a standard or reliable method for confirming tube placement. It's not an established or recommended technique for this purpose.

Choice B Reason:

Auscultating for air insufflation is incorrect. Auscultation for air insufflation involves injecting air into the tube and listening for bubbling sounds over the stomach area. While this method is commonly used, it can sometimes yield inconsistent or inconclusive results, especially in patients with certain conditions or situations where air movement might not be detectable.

Choice C Reason:

Request a chest x-ray is correct. Obtaining a chest x-ray is the most reliable method to confirm the placement of a feeding tube, especially when the tube is newly inserted or if there are any doubts about its location. A chest x-ray can accurately visualize the position of the tube within the gastrointestinal tract, ensuring it is in the intended location before any feedings or medications are administered.

Choice D Reason:

Checking the pH level of gastric contents is incorrect. Measuring the pH level of aspirated gastric contents can provide information about the acidity of the fluid, indicating gastric placement (pH below 5) in most cases. However, the pH can be influenced by various factors like medications, enteral feeding solutions, or certain medical conditions, making it less reliable than a chest x-ray for definitive confirmation of tube placement.

A. A client who has ulcerative colitis B. A client who has stomatitis C. A client who uses laxatives D. A client who has cholecystitis

Correct Answer is A

Explanation

Choice A Reason:

A client who has ulcerative colitis is correct. Ulcerative colitis, a type of inflammatory bowel disease (IBD), involves chronic inflammation and ulceration in the colon and rectum. This condition often results in bleeding from the inflamed mucosa, leading to the presence of blood in the stool that can be detected by a fecal occult blood test.

Choice B Reason:

A client who has stomatitis is incorrect. Stomatitis refers to inflammation in the mouth and does not typically cause bleeding in the gastrointestinal tract, which is what the fecal occult blood test detects. Stomatitis involves oral lesions or sores but does not directly impact stool blood content.

Choice C Reason:

A client who uses laxatives is incorrect. Laxative use does not necessarily cause bleeding in the gastrointestinal tract. While some laxatives can potentially irritate the intestinal lining, leading to minor bleeding in some cases, the presence of blood in the stool due to laxative use is less common compared to conditions like ulcerative colitis, where chronic inflammation and ulceration lead to significant bleeding.

Choice D Reason:

A client who has cholecystitis is incorrect. Cholecystitis is inflammation of the gallbladder and does not directly involve bleeding in the gastrointestinal tract. It typically presents with symptoms related to gallbladder inflammation such as abdominal pain, nausea, and vomiting, rather than causing bleeding that would be detected by a fecal occult blood test.

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A nurse is reinforcing teaching with a client about how to collect a stool specimen. Which of the following instructions should the nurse include?

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