Nokea
When performing a venipuncture the tourniquet should be left on no more than ___ to ___ minutes.
Correct Answer: 1, 2
Rationale: Occluding the vein for longer than 1 or 2 minutes may cause damage to the vein or cause it to rupture.
You may also like to solve these questions
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 exercise tolerance test (treadmill)?
- A. Withhold all foods and fluids before the test.
- B. Withhold all heart medications before the test.
- C. Allow the patient to drink water before the test.
- D. Allow the patient to consume food before the test.
Correct Answer: C
Rationale: A patient having an exercise tolerance test is kept NPO, except for water, for 4 hours until after the test. The nurse should never withhold the patient's heart medications before this test.
Anaerobic organisms tend to grow within body cavities. What will the nurse use to collect an anaerobic specimen?
- A. Sterile cotton applicator
- B. Sterile culture tube
- C. Sterile syringe tip
- D. Sterile glass rod
Correct Answer: C
Rationale: To collect an anaerobic specimen deep in a body cavity, the nurse uses a sterile syringe tip.
The procedure for collecting a sterile urine specimen via a catheter port includes clamping the Foley catheter tubing below the catheter port. How long will the clamp remain in place?
- A. 5 minutes
- B. 10 minutes
- C. 20 minutes
- D. 30 minutes
Correct Answer: D
Rationale: Clamp just below the catheter port for 30 minutes.
What should the nurse do when preparing the patient for an arteriography?
- A. Verify if the patient has been taking anticoagulants.
- B. Keep the patient NPO for 24 hours before the procedure.
- C. Instruct the patient to have a full bladder for the procedure.
- D. Inform the patient that a coldness may be felt when dye is injected.
Correct Answer: A
Rationale: When a patient has an arteriography, the nurse should assess if the patient has been taking anticoagulants. The patient is kept NPO for 2 to 8 hours before the procedure. The nurse informs the patient that a warm flush may be felt when dye is injected. The patient is instructed to void before the arteriography.