Which of the following does not illustrate the use of universal precaution methods in the handling of patients and body substances?
A. Sterilizing or disinfection of dental hand pieces
B. Mask and gloves
C. Healthcare worker with active, open lesions handling patients
D. Hand washing
Select your answer:
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Circulatory & Respiratory System › ViewWhat is the role of the circulatory system in the generation of energy from food?
A. The circulatory system breaks down food into simpler molecules
B. The circulatory system combines digested food with energy molecules
C. The circulatory system stores food molecules and converts them into energy
D. The circulatory system supplies oxygen from the lungs to cells for combustion of food.
Circulatory System › View
These blood vessels have the thickest wall and carry blood moving at high pressure.
A. Veins
B. Arteries
C. Capillaries
D. none of the above