Capillary Exchange Vocabulary

Question 1

the most important blood in the body is in the _______.

Answer 1

capillaries

Question 2

Only through _______ ____ are exchanges made between the blood and surrounding tissues.

Answer 2

capillary walls

Question 3

Chemicals pass through the capillary wall through which three routes:

Answer 3

1. Through endothelial cell cytoplasm
2. Intercellular clefts between endothelial cells
3. Filtration pores (fenestrations) of the fenestrated capillaries

Question 4

endothelial cells pick up material on one side of their membrane by pinocytosis or receptor-mediated endocytosis, transport vesicles across cell, and discharge material on other side by exocytosis

Answer 4

Trancytosis

Question 5

Blood ________ _______ drives fluid out of capillary.

Answer 5

hydrostatic pressure

Question 6

_______ _______ pressure draws fluid into capillary.

Answer 6

Colloid osmotic

Question 7

Capillary _______ at arterial end

Answer 7

filtration

Question 8

Capillary _______ at venous end

Answer 8

reabsorption

Question 9

accumulation of excess fluid in a tissue (occurs when fluid filters into a tissue faster than it is absorbed)

Answer 9

Edema

Question 10

What are the three primary causes of edema:

Answer 10

1. Increased capillary filtration
2. Reduced capillary absorption
3. Obstructed lymphatic drainage

Question 11

What 5 things does venous return rely on:

Answer 11

1. pressure gradient
2. gravity
3. skeletal muscle pump
4. thoracic pump
5. cardiac suction

Question 12

exercise _______ venous return

Answer 12

increases