Activity 1: The Lymphatic System and Identifying the Organs of the Lymphatic System

Helpfulness: 0
Set Details Share
created 3 years ago by Zajdab
310 views
updated 3 years ago by Zajdab
show moreless
Page to share:
Embed this setcancel
COPY
code changes based on your size selection
Size:
X
Show:
1

What are the 3 chief functions of the lymphatic system?

1. Transports lymph (tissue fluid) to the blood vessels

2. Protects the body by removing foreign material from the lymphatic stream through lymphocyte "policing"

3. Lymphocyte multiplication (i.e. increase in number)

2

The lymphatic system consists of a network of what 4 components?

1. Lymphatic vessels

2. Lymphoid tissue

3. Lymph nodes

4. Lymphoid organs

3

What cells are responsible for body immunity?

White blood cells

4

1. As blood circulates through the body, what 2 causes result in fluid outflow at the arterial end of the capillary beds and in fluid return at the venous end?

2. Do all lost fluid return to the bloodstream by the aforementioned mechanism?

1. The hydrostatic and osmotic pressures operating at the capillary beds

2. No

5

What is lymph?

Tissue fluid

6

What vessels pick up leaked fluid/lymph and return it to larger vessels?

Lymphatic capillaries

7

The lymphatic capillaries pick up leaked fluid/lymph and return it to which 2 larger vessels?

1. Collecting lymphatic vessels

2. Lymphatic trunks

8

The lymph finally returns to the blood vascular system through which 2 ducts in the thoracic region?

1. Right lymphatic duct

2. Thoracic duct

9

The right lymphatic duct drains lymph from what 3 areas of the body?

1. Right upper extremity

2. Right side of the head

3. Right side of the thorax

10

What 3 trunks feed into the right lymphatic duct?

1. Right jugular trunk

2. Right subclavian trunk

3. Right bronchomediastinal trunk

11

The thoracic duct receives lymph from which body regions?

The whole left side of the body (i.e. upper and lower limb) and the region past the abdomen on the right side (i.e. right arm isn't included)

12

What 3 trunks feed into the thoracic duct?

1. Left jugular trunk

2. Left subclavian trunk

3. Left bronchomediastinal trunk

13

What is the enlarged terminus of the thoracic duct?

Cisterna chyli

14

What 2 trunks feed into the cisterna chyli?

1. Right lumbar trunk

2. Left lumbar trunk

15

The cisterna chyli receives lymph from what general set of organs?

Digestive organs

16

In humans, the right lymphatic and thoracic ducts empty the lymph into venous circulation at the junction of which 2 veins?

1. Internal jugular vein

2. Subclavian vein

17

1. Is the lymphatic system a one-way or two-way system?

2. What does the answer to the above question mean then?

1. One-way system

2. Carries lymph only toward the heart

18

How are the lymphatic vessels like veins of the blood vascular system in 2 ways?

1. They contain 3 tunics

2. They are equipped with valves

19

However, although similar, lymphatic vessels are different from veins in what 3 specific ways?

1. Thinner-walled

2. Have more valves

3. Anastomose more

20

Since the lymphatic system is a pumpless system (i.e. lacking an organ like the heart), lymph transport depends on the what 2 actions?

1. Milking action of the skeletal muscles

2. Pressure changes within the thorax during breathing

21

As lymph is transported, what bean-shaped structures does it go through?

Lymph nodes

22

Where may lymph nodes be found?

Along the lymphatic vessels of the body

23

Why are lymph nodes not commonly seen even though there are thousands of them?

They are usually embedded in connective tissue

24

Large collection of lymph nodes, however, may be found at what 3 regions?

1. Cervical regions

2. Axillary regions

3. Inguinal regions

25

What are the 6 lymphoid organs?

1. Tonsils

2. Thymus

3. Red bone marrow

4. Spleen

5. Aggregated lymphoid nodules

6. Appendix

26

What are the 2 primary lyphoid organs?

1. Thymus

2. Red bone marrow

27

The lymphoid organs resemble the lymph nodes in what 2 ways?

1. Resemble lymph nodes histologically

2. House similar cell populations

28

What are 2 similar cell populations housed by lymphoid organs and lymph nodes?

1. Lymphocytes

2. Macrophages

29
card image

Identify the blanks.

card image
30
card image

Identify the blanks.

card image
31
card image

Identify the blanks.

card image
32
card image

Identify the blanks.

card image
33
card image
card image