When collecting a blood sample with a Vacutainer system, it is important to:

Stabilize the holder when changing tubes.

Withdraw the holder and tube at the same time.

Replace the tube stopper firmly for each sample.

Release the tourniquet after successful venipuncture.

Answer and Explanation

The Correct Answer is A

A. Stabilize the holder when changing tubes. Stabilizing the holder prevents accidental movement of the needle, ensuring proper blood flow into the tube and minimizing discomfort or injury to the patient.

B. Withdraw the holder and tube at the same time: The holder should remain in place until all samples are collected to prevent repeated venipunctures.

C. Replace the tube stopper firmly for each sample: The tube stopper should not be removed or replaced during the procedure.

D. Release the tourniquet after successful venipuncture: The tourniquet should be released after blood flow is established and before the needle is withdrawn, not as the first priority.

Nursing Test Bank

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Correct Answer is ["A","C","D"]

Explanation

A. Cardiac pacemakers: MRIs use strong magnets that can interfere with pacemaker function.

B. Allergy to iodine: Iodine is used in contrast for CT scans, not MRI, so this is not a contraindication.

C. Automatic implantable cardiac defibrillators: Similar to pacemakers, these devices can malfunction or pose risks during MRI.

D. Metal hip prosthesis: Metal can become heated or shifted due to the magnetic field, posing a risk to the patient.

E. Bleeding tendencies: While bleeding tendencies are a concern for invasive procedures, they are not a contraindication for MRI.

A. On his right side lying for 2 hours. B. Supine for 3 hours. C. Prone for 1 hour. D. On his left side lying for 4 hours.

Correct Answer is A

Explanation

A. On his right side lying for 2 hours. Placing the patient on the right side applies pressure to the biopsy site, reducing the risk of bleeding from the liver.

B. Supine for 3 hours: Does not apply targeted pressure to the biopsy site, increasing bleeding risk.

C. Prone for 1 hour: This position is not relevant to liver biopsy care.

D. On his left side lying for 4 hours: Incorrect, as it does not apply pressure to the biopsy site on the right side.

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When collecting a blood sample with a Vacutainer system, it is important to:

Nursing Test Bank

Naxlex Comprehensive Predictor Exams

The nurse is aware that patients who are not candidates for magnetic resonance imaging (MRI) include patients with: (Select all that apply)

Correct Answer is ["A","C","D"]

Explanation

For the patient who just had a liver biopsy performed, the nurse should position him:

Correct Answer is A

Explanation

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When collecting a blood sample with a Vacutainer system, it is important to:

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. County medical officer responsible for investigating unexplained deaths is called a ____________.