★ Transportation Quiz
Which blood vessel has valves to prevent the back-flow of blood?
A. Veins
B. Arteries
C. Capillaries
Select your answer:
Topics:
Biodiversity Conservation Human Circulatory System Living Organisms Musculoskeletal Injuries & Workstation Design Mouth - Stomach Diseases and Preventions Respiratory Hospital Wards and Departments Visual Impairment Medical Suffixes Genetics: Viruses and Bacteria Muscle System Renal Pharmacology Disabilities Central Nervous SystemOther quiz:
Germs › ViewWhat is your most important body defense system?
A. saliva
B. blood
C. tears
D. skin
HCMA - Hematology › View
A hematocrit reading of 37 indicates _____________
A. RBCs account for 63% of the total blood volume
B. RBCs account for 37% of the total blood volume
C. The patient has a hemoglobin level of 12.