Lymphatic System

Question 1

How are lymph vessels similar to veins?

Answer 1

They have the same 3 layers

Question 2

What are the function and location of lymph nodes?

Answer 2

Filter and clean lymph, produce lymphocytes, contains macrophages
-located in armpit, neck, head and groin area

Question 3

What are the function and location of the spleen?

Answer 3

Filters blood

-located in upper left part of abdomen under rib cage

Question 4

What are the function and location of the thymus?

Answer 4

Development of T cells

-located in chest above heart

Question 5

Describe the flow of lymph

Answer 5

Tissue
Capillary 
Vessels
Mode
Vessel
Trunk
Duct
Subclavian vein

Question 6

What are the body’s non specific defenses?

Answer 6

Species resistance, mechanical barriers, killer cells, inflammation, phagocytosis and fever

Question 7

What are innate defenses?

Answer 7

Non specific and provide general defense against disease by creating barriers or making the environment unfriendly to pathogens

Question 8

What do Interferons do?

Answer 8

Respond to viruses or tumor cells

Question 9

What are the functions of neutrophils?

Answer 9

White blood cells that are the first cells to migrate to a site of infection

Question 10

What are the functions of macrophages?

Answer 10

A type of phagocyte,

Engulfs particles

Question 11

What are antigens?

Answer 11

a toxin or other foreign substance that induces an immune response in the body, especially the production of antibodies.

Question 12

What do B cells do?

Answer 12

Secrete antibodies

Question 13

What are the functions of helper T cells?

Answer 13

Release T cytokines

Question 14

What are the functions of Cytotoxic cells?

Answer 14

Kill damaged cells

Question 15

What are the functions of memory T cells?

Answer 15

Divide to yield more cytotoxic T cells and helper T cells upon exposure to the same antigen

Question 16

What are antibodies?

Answer 16

Identify and help remove foreign particles

Question 17

What are the four types of immunity?

Answer 17

Naturally active immunity, artificially active immunity, artificially passive immunity and naturally passive immunity

Question 18

What are the functions of the lymphatic system?

Answer 18

Protects the body from invaders/pathogens through general and specific immunity, transports and recollects fluid,
Filters fluid for harmful particles

Question 19

What is natural immunity?

Answer 19

Lymphocytes are activated by foreign antigens on the surface of pathogens

Question 20

What is artificial active immunity?

Answer 20

Immunity develops after an individual is given a vaccination

Question 21

What is passive immunity?

Answer 21

A mothers antibodies cross the placenta to to the fetus and remain for several Months

Question 22

What is artificially passive immunity?

Answer 22

Short term immunization achieved by the transfer of antibodies

Question 23

How do vaccines work?

Answer 23

They can’t cause an infection, but the immune system still sees them as an enemy and produces antibodies in response. After the threat has passed, many of the antibodies will break down, but immune cells called memory cells remain in the body.

Question 24

What is an autoimmune disease?

Answer 24

Immune system manufactures antibodies against its own antigens