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Phlebotomy › ViewWhat is the significance of using a tourniquet during blood collection?
A. To increase the pressure in the veins, making them more visible and easier to puncture
B. To decrease the blood flow to the arm for patient comfort
C. To sterilize the puncture site
D. To measure the patient’s blood pressure
Eye › View
A misshapen cornea or lens might result in…
A. astigmatism.
B. color-blindness.
C. lack of peripheral vision.
D. lack of depth perception.