QUIZ 5

Question 1

1) Arteries carry blood ____ ____ the heart.
2) Elastic arteries have____ ____ than muscular arteries.
3) Muscular arteries branch into______.

Answer 1

1) away from
2) larger diameters
3) arterioles

Question 2

The sites of exchange between the blood and the tissues are the _____.

Answer 2

capillaries

Question 3

The blood vessels that drain blood directly from the capillary beds are the ______.

Answer 3

venules

Question 4

The part of the arterial wall that contains smooth muscle is the ____ _____.

Answer 4

tunica media

Question 5

Arterioles play a key role in regulating _____ _____ and ____ because their diameters may be easily and rapidly adjusted.

Answer 5

1) blood distribution

2) pressure

Question 6

Capillaries form more

Answer 6

extensive beds in tissues that have greater metabolic rates.

Question 7

Venules do three things

Answer 7

1) drain capillary beds
2) merge to form veins
3) provide exit points for phagocytic cells.

Question 8

Veins carry blood

Answer 8

toward the heart

Question 9

Veins and venules act as blood ____ .

Answer 9

reservoirs

Question 10

Some of the fluid that leaks out of a capillary is

Answer 10

reabsorbed into lymphatic vessels