A nurse is teaching a patient to obtain a specimen for fecal occult blood testing using the fecal immunochemical testing (FIT) at home. How does the nurse instruct the patient to collect the specimen?

Get three fecal smears from one bowel-movement.

Collect one fecal smear from three separate bowel movements,

Obtain one fecal smear from an early morning bowel movement.

Get three fecal smears when you see blood in your bowel movement.

Answer and Explanation

The Correct Answer is B

A. Get three fecal smears from one bowel movement. FIT only requires one sample per bowel movement, but it is best to test multiple separate bowel movements for accuracy.

B. Collect one fecal smear from three separate bowel movements. FIT testing detects blood proteins using antibodies, and blood presence in stool can be intermittent. Collecting samples from different days increases accuracy.

C. Obtain one fecal smear from an early morning bowel movement. Time of day does not matter, but multiple samples from different bowel movements are preferred.

D. Get three fecal smears when you see blood in your bowel movement. FIT is meant to detect hidden (occult) blood that is not visible.

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Correct Answer is C

Explanation

A. Measure bladder with the head of the bed raised to 60 degrees. The patient should be in the supine position for the most accurate measurement.

B. Measure bladder with the head of the bed raised to 90 degrees. The patient should be in a flat or slightly reclined position for bladder scanning.

C. Measure bladder within 15 minutes after the patient voids. Postvoid residual (PVR) is the amount of urine left in the bladder after urination. It should be measured within 15 minutes of voiding for accuracy.

D. Measure bladder before the patient voids. Measuring before voiding does not assess residual urine, which is the purpose of the test.

A. “The medication works by relaxing gastric muscles." B. "The medication relieves nausea by slowing peristalsis." C. “The medication relieves nausea by promoting gastric emptying." D. “The medication works by decreasing gastric acid secretions."

Correct Answer is C

Explanation

A. “The medication works by relaxing gastric muscles." Metoclopramide stimulates gastric motility rather than relaxing muscles.

B. "The medication relieves nausea by slowing peristalsis." Metoclopramide actually increases peristalsis to help empty the stomach.

C. "The medication relieves nausea by promoting gastric emptying." Metoclopramide is a prokinetic agent that enhances stomach emptying, which helps reduce nausea.

D. "The medication works by decreasing gastric acid secretions." Metoclopramide does not reduce acid secretion; it improves gastric motility.

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A nurse is teaching a patient to obtain a specimen for fecal occult blood testing using the fecal immunochemical testing (FIT) at home. How does the nurse instruct the patient to collect the specimen?

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Naxlex Comprehensive Predictor Exams

The nurse is preparing to test a patient for postvoid residual with a bladder scan. Which action will the nurse take?

Correct Answer is C

Explanation

A nurse is caring for a client who has nausea and a prescription for metoclopramide intermittent IV bolus every 4 hr as needed. The client asks the nurse how metoclopramide will relieve her nausea. Which of the following explanations should the nurse provide?

Correct Answer is C

Explanation

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