Test 1 Cells of the Immune System

Question 1

These lymphocytes protect against viruses, fungi, facultative organisms

Answer 1

T lymphocytes

Question 2

To tell these apart on a blood smear, you must use a supravital stain

Answer 2

T lymphocytes

Question 3

T lymphocytes play a role in humoral immunity by

Answer 3

cytokine production

Question 4

T lymphocytes acount of what percent of peripheral blood leukoctes?

Answer 4

70-80%

Question 5

These lymphocytes live in the lymph nodes and spleen

Answer 5

T lymphocytes

Question 6

Thymosin helps these lymphocytes mature in the thymus

Answer 6

T lymphocytes

Question 7

These lymphocytes produce cytokines which leads to the activation of B cells

Answer 7

Helper T lymphocytes

Question 8

Helper T lymphocytes account for what percent of T lymphocytes?

Answer 8

40-60%

Question 9

This is the surface marker on Helper T lymphocytes

Answer 9

CD4

Question 10

These lymphocytes downregulate the immune response

Answer 10

Cytotoxic T cells

Question 11

These lymphocytes can kill virus infected cells, tumor cells, or transplant tissue

Answer 11

Cytotoxic T cells

Question 12

Perforin is used by which lymphocyte to kill other cells?

Answer 12

Cytotoxic T cells

Question 13

The surface marker is on Cytotoxic T cells

Answer 13

CD8

Question 14

These lymphocytes are activated by the release of cytokines

Answer 14

B lymphocytes

Question 15

B lymphocytes are part of what kind of immunity?

Answer 15

B lymphocytes

Question 16

These lymphocytes differentiate into plasma cells

Answer 16

B lymphocytes

Question 17

B lymphocytes account for what percent of peripheral blood lymphocytes?

Answer 17

5-15%

Question 18

B lymphocytes live in

Answer 18

the spleen and tonsils (50%)

Question 19

B lymphocytes that do not become plasma cells usually become

Answer 19

Memory B cells

Question 20

These cells rapidly produce antibody on a second exposure to an antigen (amnestic response)

Answer 20

Memory B cells

Question 21

These cells gush antibody for 3-4 days

Answer 21

plasma cells

Question 22

These cells are full of endoplastic reticulum

Answer 22

plasma cells

Question 23

These cell differentiate when exposed to an antigen with Helper T cells (cytokines)

Answer 23

plasma cells

Question 24

These cells have the same specificity from the cell it was derived from

Answer 24

plasma cells

Question 25

These cells are attracted to opsonized particles

Answer 25

macrophages

Question 26

These cells present T and B cells particles for destruction

Answer 26

macrophages

Question 27

These cell produce enzymes, activate plasminogen, denature collagen

Answer 27

macrophages

Question 28

Do macrophages produce complement components?

Answer 28

Yes, C1

Question 29

This cell has an Fc receptor for antibodies

Answer 29

macrophages

Question 30

This cell has a receptor for complement

Answer 30

macrophages

Question 31

These cells have Fc receptor AND the ability to destroy tumor cells

Answer 31

Killer cells

Question 32

These cells stimulate cytotoxic T cells

Answer 32

Helper T cells

Question 33

These cells secrete lymphokines

Answer 33

Helper T cells

Question 34

These cells DO NOT secrete lymphokines

Answer 34

Cytotoxic T cells