Veins

Question 1

Veins are vessels that drain blood from

Answer 1

Capillaries toward the heart

Question 2

Veins are typically oxygen

Answer 2

Poor

Question 3

Venules

Answer 3

• smallest veins

- collect blood from capillaries

Question 4

Veins

Answer 4

Cover wide range of diameters

Question 5

Both veins and vehicles contain

Answer 5

Venous valves

Question 6

Venous valves prevent

Answer 6

Back flow of blood

Question 7

Venous valves are important to ensure

Answer 7

Blood is able to return to heart from distant appendages and often against force of gravity

Question 8

Vast majority of blood is held in the

Answer 8

Systemic veins

Question 9

Systemic veins lead to

Answer 9

Venous reservoir

Question 10

When more blood is required by body during activity veins undergo

Answer 10

Venocinstriction to force more venous blood to return to heart

Question 11

Venoconstriction is similar to

Answer 11

vasoconstriction of arteries

Question 12

Frank-starling law of the heart

Answer 12

Increased venous return immediately results in increased CO and increase delivery of O2 in times of need