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A nurse is teaching a newly licensed nurse about obtaining a fecal occult blood test from a client.
Which of the following information should the nurse include?

A.

Collect two stool specimens from the same area of the stool.

B.

Use toilet paper to transfer the stool specimen.

C.

Apply four drops of developing solution to each stool specimen.

D.

Wait 30 seconds after applying the developing solution to obtain the results.

Answer and Explanation

The Correct Answer is D

Choice A rationale

Collecting two stool specimens from the same area of the stool is incorrect because specimens should be taken from different areas to ensure a representative sample of the stool for testing.

 

Choice B rationale

Using toilet paper to transfer the stool specimen is not recommended as it can contaminate the sample and interfere with test results.

 

Choice C rationale

Applying four drops of developing solution to each stool specimen is incorrect. The usual procedure involves applying a specific number of drops as indicated by the test instructions, which may vary.

 

Choice D rationale

Waiting 30 seconds after applying the developing solution is correct. This waiting period allows the test to react and provide accurate results for the presence of occult blood.


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View Related questions

Correct Answer is C

Explanation

Choice A rationale

Cheese is high in calcium, which can interfere with the absorption of iron by binding to it in the digestive tract, making it less available for absorption.

Choice B rationale

Antacids containing magnesium can interfere with the absorption of iron by increasing the pH of the stomach, reducing the solubility and absorption of iron.

Choice C rationale

Orange juice is high in vitamin C, which can enhance the absorption of iron by reducing it to a form that is more easily absorbed by the body.

Choice D rationale

Milk contains calcium, which can inhibit the absorption of iron. Calcium competes with iron for absorption in the intestines, leading to reduced iron absorption.

Correct Answer is C

Explanation

Choice A rationale

Replacing the external urinary catheter once each day is unnecessary. The catheter should be changed based on clinical judgment and manufacturer's guidelines to maintain hygiene.

Choice B rationale

Inserting the catheter into the client's urethra is incorrect for an external urinary catheter. External catheters are designed to be placed outside the body.

Choice C rationale

Applying a barrier cream to the client's perineal skin is correct. Barrier creams protect the skin from moisture and prevent skin breakdown and irritation caused by urine.

Choice D rationale

Connecting the catheter to continuous wall suction is not appropriate. External urinary catheters should be connected to a drainage bag for proper urine collection. .

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