HT A School CHT Practice Test 2025 – Complete Exam Prep

Question: 1 / 400

How can hydration levels affect venipuncture success?

Dehydrated patients have better vein accessibility

Well-hydrated patients usually present better vein accessibility

Well-hydrated patients generally have better vein accessibility due to the increased volume of blood and fluid in their circulatory system. When a patient is well-hydrated, the veins become fuller and more turgid, which enhances their visibility and makes them easier to palpate and puncture. This enhanced visibility provides phlebotomists with a better opportunity to successfully locate a vein on the first attempt, thereby reducing patient discomfort and the overall time taken for the procedure.

In contrast, dehydration can cause veins to become less prominent and more difficult to access, which often leads to challenges during venipuncture. Additionally, if a patient's hydration status is poor, it can result in smaller veins and a more viscous blood flow, further complicating the process. Therefore, a patient's hydration level is a significant factor in the success of venipuncture.

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Hydration has no effect on venipuncture

Hydrated patients require additional punctures

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