Immunity

Question 1

The lymphatic system acts in conjunction with the circulatory system to..

Answer 1

protect the body from infections

Question 2

The lymphatic system is a network of vessels and nodes closely associated near the capillaries. These lymph vessels collect a fluid called..

Answer 2

lymph fluid which is similar to blood plasma

Question 3

The lymph fluid in lymph vessels help maintain balance of..

Answer 3

bodily fluids. It bath cells in interstitial fluid as it mixes with general blood circulation

Question 4

Lymph nodes (everywhere in our bodies) are where white blood cells mature; they also contain..

Answer 4

macrophages ( a type of white blood cell that trap and destroy bacteria )

Question 5

Lymph nodes contain macrophages, what are they?

Answer 5

macrophages is a type of white blood cell that trap and destroy bacteria

Question 6

Macrophages are created in the bone marrow and is move to vessels when..

Answer 6

sick or there is an infection, causing the vessel to become bigger

Question 7

the first line of immunity is the physical and chemical barriers of the body. The first line of immunity consists of..

Answer 7

stomach acid, tears, cilia ( nose hair, inside ear hair), skin

How do these prevent or kill bacteria from entering out system?

Question 8

In the second line of defence, if the bacteria were to get past the first, the second line consists of a non-specific white blood cell which is known as..

Answer 8

Phagocytes

Question 9

Phagocytes ( a white blood cell ) in the second line of defence act to engulf and destroy..

Answer 9

bacteria in bloodstream

Question 10

In the second line of defence, there are 3 types of Phagocytes..

Answer 10

Monocyte
macrophage
neutrophil

Question 11

The second line of defence in immunity is also referred to as the..

Answer 11

inflammatory response, as the action of phagocytes often results in swelling and a fever

Question 12

Phagocytes such as monocyte, macrophage and neutrophils destroy harmful bacteria, this process is called..

Answer 12

phagocytosis

Question 13

In the third line of defence, if bacteria were to get passed the second line, a number of lymphocytic white blood cell also known as lymphocytes, they..

Answer 13

target a specific bacteria according to the specific markers they present

Question 14

In the third line of defence, there are 3 lymphocytes..

Answer 14

T-cells ( also killer T-cells )
B-cells ( memory B-cell )
antibodies ( not a cell but a type of protein, also NOT a white blood cell )

Question 15

In the third line of defence, a type of lymphocyte called T-cells, analyze bacteria broken down by phagocytes ( bacteria killing white blood cell ) and recruit B-cells to..

Answer 15

help identify the foreign particles

Question 16

In the third line of defence, a type of lymphocyte called killer T-cells, look at cells infected by the bacteria or virus and..

Answer 16

destroy them

Question 17

In the third line of defence, a type of lymphocyte called T-cells, monitor killer T-cells to make sure they..

Answer 17

kill the infected cells and not the healthy ones

Question 18

In the third line of defence, a type of lymphocyte called B-cells, is recruited to the site of phagocytosis by T-cells, here they become activated and divide into 2 different types of B-cell which are..

Answer 18

Memory B-cell and plasma cell