Exam #4: Lymphatic System

Question 0

What is classifies as both an endocrine and lymphatic organ?

Answer 0

Thymus

Question 1

What are the 3 functions of the lymphatic system?

Answer 1

1. Removal of impurities
2. Lymphocyte processing
3. Manufacture of red blood cells in the fetus

Question 2

What are specialized lymphatic capillaries that carry chyle?

Answer 2

Lacteals

Question 3

What is milky substance consisting of lymph and fat from the intestine?

Answer 3

Chyle

Question 4

Do lymphatic vessels, like veins of the circulatory system have valves?

Answer 4

Yes

Question 5

What is a structure contained within a lymphatic vessel that prevents back flow of a lymph?

Answer 5

Valve

Question 6

What is a pinch like structure of the thoracic duct?

Answer 6

Cisterna Chyli

Question 7

Where does the thoracic duct pass through?

Answer 7

Left side of the thorax

Question 8

What is a group of lymph cells located beneath the epithelial layer of mucous membrane?

Answer 8

Lymph nodules

Question 9

How many Afferent vessels? And what do they do?

Answer 9

4 Vessels that carry towards the lymph nodes

Question 10

How many efferent vessels? And what do they do?

Answer 10

1 efferent and they carry lymph fluid away

Question 11

What is I located one on each side of the oropharynx also on either side of the soft palate?

Answer 11

Palatine tonsils

Question 12

What is another word for pharyngeal?

Answer 12

Adenoids

Question 13

What are abnormal accumulation of fluid in interstitial space?

Answer 13

Lymphedema

Question 14

What is any disease that usually involves the lymph glands?

Answer 14

Lymphadenopathy

Question 15

What is made up of lymphoid tissue and located in the mediastinum?

Answer 15

Thymus

Question 16

What hormone is the thymus dependent on for physiologic activity?

Answer 16

Thymosin

Question 17

Where do sensitized T-Cells function?

Answer 17

Cell mediated immunity

Question 18

What are the 3 lines of first defense?

Answer 18

1. Skin
2. Mucous membrane
3. Secretions

Question 19

What is produced in response to infections?

Answer 19

Interferons

Question 20

What are the 2 primary phagocytosis cells in the lymphatic system?

Answer 20

1. Neutrophils

2. Macrophages

Question 21

Where are kupffer cells located?

Answer 21

Liver

Question 22

What is one of the systemic inflammatory response?

Answer 22

A temperature or fever

Question 23

What is frequently caused by viral or bacterial infection?

Answer 23

Systemic response

Question 24

What is a substance produced by virus infected cells that prevents infections of other cells?

Answer 24

Interferon

Question 25

What immunity happens after a person has had a disease?

Answer 25

Naturally active

Question 26

What is any foreign substance that enters the body and induces an immune response?

Answer 26

Antigens

Question 27

What is a natural killer, destroys foreign cells directly?

Answer 27

Cytoxic T Cells

Question 28

What are also known as interleukins and stimulate other lymphocytes and macrophages to assist in destruction of foreign cells?

Answer 28

Helper T cells

Question 29

What suppresses the immune response for the purpose of regulation?

Answer 29

Suppressor T cell

Question 30

What remembers an antigen and implements a rapid response if the antigen is met again?

Answer 30

Memory T Cells

Question 31

What functions in humoral immunity?

Answer 31

B Cells

Question 32

What is a severe allergic reaction that can be life threatening?

Answer 32

Anaphylaxis

Question 33

What are the 3 characteristics of AIDS?

Answer 33

1. Vulnerability to opportunistic infections
2. Major decrease on T-lymphocytes
3. Kaposi’s Sarcoma

Question 34

What is the true name for appendix, and lymphatic tissue that protrudes from the lower portion of the secum?

Answer 34

Vermiform Appendix

Question 35

What are the components of pus?

Answer 35

• -WBCs
• • devitalized tissue cells
• -microorganisms