Which Technique Best Dilates a Vein for Venipuncture

question 22

Multiple Choice

Which technique best dilates a vein for venipuncture?

• A)Elevate the extremity for 5 minutes.
• B)Apply a cool compress for 15 minutes.
• C)Apply a tourniquet for up to 3 minutes.
• D)Apply an alcohol swab for 60 seconds.

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Definitions:

Partial

Relating to or constituting a part of something as opposed to being whole or complete.

Myelin

A fatty substance that surrounds and insulates the axons of some neurons, enhancing the speed and efficiency of electrical impulse transmission.

Neural Message

Information transmitted within the nervous system, typically in the form of electrical and chemical signals across neurons.

Axon

A long, slender projection of a neuron that transmits electrical impulses away from the neuron's cell body to other neurons or to muscles or glands.