Lymphatic System - Exam 2

Question 1

How is the lymphatic system unique to the cardiovascular system?

Answer 1

has no pump (heart)

Question 2

How is the lymphatic system similar to the venous system?

Answer 2

its a low pressure system

Question 3

What are the functions of the lymphatic system?

Answer 3

transports...
excess fluid
excess proteins (solutes)
digested lipids
...into the bloodstream

Question 4

What does the subclavian vein do for the lymphatic system?

Answer 4

dumps materials from the lymphatic system into the heart

heart circulates the materials back into the bloodstream

Question 5

How does the lymphatic system assist in inflammatory response?

Answer 5

inflammation causes albumin to move in, which decreases permeability
albumin can’t come out if permeability increases again
lymphatic system flushes albumin out

Question 6

What are the lymphoid tissues?

Answer 6

tonsils
spleen
Preyer’s patches
appendix

Question 7

How does lymph flow into the bloodstream?

Answer 7

via semilunar valves and muscular pump

Question 8

Where is the lymphatic system not located?

Answer 8

the brain

Question 9

What is the significance of the absence of the lymphatic system in the brain?

Answer 9

swelling can’t happen

Question 10

What part of the brain acts as the lymphatic system?

Answer 10

cerebrospinal fluid

Question 11

When does CSF act as the lymphatic system?

Answer 11

during sleep

Question 12

How does CSF act as the brain’s lymphatic system?

Answer 12

• fluid fills space around the brain and allows for waste to come into CSF to be dumped into blood
• CSF is then pumped back into the brain from outside of blood vessels

Question 13

How do the cells of the brain change during CSF transport?

Answer 13

cells shrink to allow for better CSF transport