Which of the following is used to stabilize a patient's arm during a venipuncture?
Arm restraints
A blood pressure cuff
A phlebotomy wedge
A phlebotomy cart
The Correct Answer is C
Choice A Reason:
Arm restraints are typically used to prevent patients from moving, particularly in pediatric or psychiatric settings where the patient may not voluntarily keep still. However, they are not specifically designed for stabilizing the arm during venipuncture procedures.
Choice B Reason:
A blood pressure cuff can be used as a substitute for a tourniquet to engorge the veins before venipuncture, but it is not designed to stabilize the arm during the procedure. Its primary function is to measure blood pressure, not to provide stability.
Choice C Reason:
A phlebotomy wedge is a device specifically designed to support and stabilize a patient's arm during venipuncture. It helps to maintain the arm in a comfortable and steady position, which can be particularly helpful for patients with tremors or for those who have difficulty holding their arm still.
Choice D Reason:
A phlebotomy cart is used to transport and organize phlebotomy supplies. While it is an essential piece of equipment for a phlebotomist, it does not play a role in stabilizing a patient's arm during venipuncture.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is C
Explanation
Choice A Reason:
Reporting the needlestick to the supervisor is an important step in the post-exposure protocol, but it is not the first action that should be taken. The immediate priority is to address the potential exposure to pathogens by cleansing the wound.
Choice B Reason:
Completing the blood draw is not the appropriate first action after a needlestick injury. The phlebotomist's health and safety take precedence, and the procedure should be paused to address the injury.
Choice C Reason:
Washing the area with soap and water is the first and most critical action to take after an accidental needlestick. This helps to remove any blood or pathogens that may have been introduced to the wound site. It is essential to do this immediately to reduce the risk of infection.
Choice D Reason:
Seeking immediate treatment is a necessary step, but it follows the initial cleansing of the wound. After washing the area, the phlebotomist should then report the incident and seek medical advice to assess the need for further treatment, such as post-exposure prophylaxis.
Correct Answer is C
Explanation
Choice A Reason:
A glucose tolerance test is used to diagnose diabetes by measuring the body's response to glucose over a period of time. It is not used to identify bacteremia, which is the presence of bacteria in the bloodstream.
Choice B Reason:
A peripheral blood smear involves examining a sample of blood under a microscope to look for abnormalities in blood cells. While it can reveal signs of infection, it does not specifically identify bacteremia.
Choice C Reason:
A blood culture is the primary test used to detect bacteremia. It involves taking a sample of blood and incubating it to see if bacteria grow, which would indicate the presence of bacteria in the bloodstream.
Choice D Reason:
Lactic acid levels in the blood are measured to assess the severity of sepsis, a condition that can result from bacteremia. Elevated lactic acid can indicate that tissues are not getting enough oxygen, but the test itself does not identify bacteremia.
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