Which of the following instructions should a phlebotomist provide to a patient who is collecting a urine specimen for culture?
"Capture the initial stream of urine."
"Clean the genital area prior to collection."
"Fill the container to capacity."
"Label the lid prior to collection."
The Correct Answer is B
Choice A reason:
Capturing the initial stream of urine, also known as the "first catch," is not recommended for a urine culture. This part of the urine stream can contain contaminants from the urethral opening and is not ideal for culture testing, which requires a clean sample.
Choice B reason:
Cleaning the genital area prior to collection is crucial for obtaining a clean-catch urine specimen. This reduces the risk of contamination from bacteria that are normally present on the skin around the urinary opening. Patients should be instructed to use antiseptic wipes to clean the area before collecting the urine sample.
Choice C reason:
Filling the container to capacity is not necessary and is not a specific instruction for urine culture collection. The focus should be on obtaining a midstream sample after the genital area has been cleaned, which provides a more accurate representation of the urine for culture purposes.
Choice D reason:
Labeling the lid prior to collection is an important step in the process to ensure proper identification of the specimen. However, it is not the primary instruction related to the actual collection of the urine sample. The label should include the patient's name, date, and time of collection and should be done after the sample is collected to avoid confusion or contamination.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is A
Explanation
Choice A reason:
The lateral section of the plantar heel is the recommended site for capillary blood collection in infants, particularly those under 6 months of age. This area is preferred because it is sufficiently vascularized for blood collection and poses less risk of injury to bones and nerves compared to other areas.
Choice B reason:
The central area of the heel is not recommended for capillary blood collection in infants due to the higher risk of injury to the calcaneus (heel bone) and potential for calcaneal osteomyelitis, an infection of the bone.
Choice C reason:
The posterior curvature of the heel is also not an appropriate site for capillary blood collection in infants. This area has a higher likelihood of causing pain and injury, as well as being less accessible for a proper puncture technique.
Choice D reason:
The palmer surface of the distal phalanx (fingertip) is not a recommended site for capillary blood collection in infants under 1 year of age. The fingertips of infants are small and more prone to injury, and the procedure may be more painful compared to a heel stick.
Correct Answer is C
Explanation
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.
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