Nokea
The nurse has an order to perform occult blood testing on a patient's emesis. What color will the sample turn to indicate that the test is positive for occult blood?
- A. Red
- B. Blue
- C. Green
- D. Yellow
Correct Answer: B
Rationale: If the sample turns blue, the test is positive for occult blood; if it turns green, it is negative for occult blood.
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What should the nurse assess the patient for before administration of contrast media?
- A. Has been NPO.
- B. Is allergic to iodine.
- C. Has emptied the bladder.
- D. Has taken medication.
Correct Answer: B
Rationale: The patient should always be assessed for allergies to iodine before administration of contrast media.
A patient is required to provide a sample of body excretions per health care provider order. What action can the nurse take when providing proper instructions to lessen the patient's embarrassment?
- A. Instruct patient to provide the specimen behind a screen.
- B. Instruct patient to obtain his or her own specimen.
- C. Instruct patient to return later when he or she is more comfortable.
- D. Instruct patient to use a CNA for assistance to obtain the specimen.
Correct Answer: B
Rationale: With proper instruction, many patients may obtain their own specimen.
What should the nurse do when preparing the patient for a bone scan?
- A. Sedate the patient.
- B. Restrict food intake.
- C. Restrict fluid intake.
- D. Encourage water intake.
Correct Answer: D
Rationale: Before a bone scan, the patient is encouraged to drink several glasses of water. No fasting or sedation is required before a bone scan.
What should the nurse do when preparing the patient for an amniocentesis?
- A. Restrict food intake.
- B. Restrict fluid intake.
- C. Monitor fetal heart tones.
- D. Inform patient results will be available immediately.
Correct Answer: C
Rationale: When a patient has an amniocentesis, fetal heart tones should be monitored. There are no fluid or food restrictions, and the patient should be told to contact her health care provider to obtain results, which are usually available after 2 weeks.
What should the nurse do when preparing the patient for a brain scan?
- A. Allow the patient to wear a wig during the scan.
- B. Allow the patient to wear a partial denture plate during the scan.
- C. Inform the patient that a clicking noise will be heard during the scan.
- D. Keep the patient NPO for 12 hours before scan if contrast dye is used.
Correct Answer: C
Rationale: Before a brain scan, the patient is kept NPO for 4 hours if contrast dye is to be used, the patient is instructed not to wear a wig, hairpins, clips, or partial denture plates, and the nurse informs the patient that a clicking noise is made as the scanner moves.