lymph nodes

Question 1

lymph nodes are located in the

Answer 1

neck
armpits
groin
other parts of the body

Question 2

defend us against

Answer 2

bacteria

Question 3

covered by

Answer 3

capsule

Question 4

2 sets of lymphatic vessels are connected to each

Answer 4

lymphatic node

Question 5

afferent lymphatics bring

Answer 5

lymph from peripheral tissues

Question 6

efferent lymphatics leave the

Answer 6

lymph node carrying lymph towards venous circulation

Question 7

lymph nodes contain

Answer 7

macrophages

dendritic cells (responsible for starting an immune response, antigen presenting cells)

B cells

T cells

Question 8

lymph node contains

Answer 8

1. capsule
2. subcapsular sinus
3. germinal center
4. lymphoid nodule
5. trabeculae

Question 9

FUNCTIONS
purifies lymph by removing

Answer 9

99% of the antigens

Question 10

FUNCTIONS
macrophages engulf

Answer 10

debris and pathogens
process them and
present to lymphocytes

Question 11

FUNCTIONS
protect against

Answer 11

pathogens and other antigens

Question 12

FUNCTIONS
function as an

Answer 12

early warning system

Question 13

FUNCTIONS
any infection in peripheral tissue stimulates the

Answer 13

macrophages and lymphocytes in nearby lymph nodes

Question 14

FUNCTIONS
a swollen lymph node indicates

Answer 14

inflammation in peripheral tissues

Question 15

FUNCTIONS
excessive enlargement is lymphadenopathy due to

Answer 15

bacterial or viral infections, cancer, etc

Question 16

FUNCTIONS
dendritic cells (DC) are

Answer 16

antigen-presenting cells

Question 17

FUNCTIONS
dendritic cells can stimulate

Answer 17

lymphocyte activity

Question 18

antigen presentation is the

Answer 18

first step in the activation of the immune response

Question 19

dendritic cells process

Answer 19

antigen material material and present it on the cell surface to the T cells of the immune system

Question 20

dendritic cells act as messengers between the

Answer 20

innate and the adaptive immune systems