Medical Quiz
Blood Donation Quiz

What percentage of people will need a blood transfusion in their lifetime?

A. 5% (1 in 20)

B. 10% (1 in 10)

C. 25% (1 in 4)

Select your answer:
A  B  C  D  E 

Topics:

Brain Absorption, Lymphatic System, and Blood Vessels Cells & Body Systems CVA Nail Enhancement Physical Fitness Components Muscle System Malaria Skin Diseases Smoking Related Diseases Life Processes Reproduction in Human Beings Nutrition - Digestive System Skeletal Tissue Organelles

Other quiz: Cell Injury

Positive feedback system is

A. Inhibitory

B. Stimulatory