When the doctor/nurse takes blood from you, why do they try to find a vein, not an artery? And also why is this mainly done on the arm as opposed to other parts of the body?
In: Biology
Vein because Arteries are under pressure every time your heart beats. Its much cleaner the to take from a vein, because even when they do bleed they “ooze”, arteries “spurt”. Arm, because it’s convenient for patient and HCP.
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