Immunology

Question 1

Which is NOT a phagocyte?
- CD8 +T
- neutrophil
- eosinophil
- macrophage

Answer 1

CD8+T

Question 2

Red, swell, heat, and pain are symptoms of…

Answer 2

inflamation

Question 3

Which is the strongest antigen?
- RNA
- DNA
- Carbs
- lipids
- Proteins

Answer 3

proteins

Question 4

antigens sampled from phagolysosomes are generally…

Answer 4

foreign antigens

Question 5

humoral immunity refers to…

Answer 5

B-cell mediated defenses

Question 6

CD4+T cells are responsible for…

Answer 6

recognizing foreign antigens and secreting cytokines

Question 7

NK cells attack…

Answer 7

cells w NO MHC-I molecules (hiding cells)

Question 8

Which is NOT an antigen presenting cell?
- macrophage
- Dendritic
- NK

Answer 8

NK

Question 9

What is a general name for hormones in the immune system?

Answer 9

Cytokines

Question 10

first line of defense against invading organisms?

Answer 10

Innate defenses

Question 11

Can non-self viral antigens in a cell be presented on MHC-I proteins?

Answer 11

Yes

Question 12

How many different antibodies can be made by VDJ recombination?

Answer 12

billions

Question 13

CD4 cells recognize which of the following?
a. MHC-1 molecules w foreign antigen
b. MHC-II molecules w foreign antigen
c. MHC-1 mol w self antigen
d. MHC-II mol w self antigen
e. cells lacking MHC-I mol
f. cells lacking MHC-II mol

Answer 13

b

Question 14

CD8 cells recognize which of the following?
a. MHC-1 molecules w foreign antigen
b. MHC-II molecules w foreign antigen
c. MHC-1 mol w self antigen
d. MHC-II mol w self antigen
e. cells lacking MHC-I mol
f. cells lacking MHC-II mol

Answer 14

A

Question 15

NK cells recognize which of the following?
a. MHC-1 molecules w foreign antigen
b. MHC-II molecules w foreign antigen
c. MHC-1 mol w self antigen
d. MHC-II mol w self antigen
e. cells lacking MHC-I mol
f. cells lacking MHC-II mol

Answer 15

E

Question 16

Which cells are responsible for checking self-antigens?
a. B
b. CD4
c. CD8
d. NK
e. Macrophages

Answer 16

D

Question 17

Which cells are responsible for checking foreign-antigens?
a. B
b. CD4
c. CD8
d. NK
e. Macrophages

Answer 17

B

Question 18

What cells are killed by HIV?
a. B
b. CD4
c. CD8
d. NK
e. Macrophages

Answer 18

B

Question 19

react the same for every threat (slow down)

Answer 19

non specific/innate defense

Question 20

specific threat w specific weapons

Answer 20

adaptive

Question 21

External defenses

Answer 21

physical: skin and mucus

Question 22

internal defenses

Answer 22

2. Phagocytes: Macrophages, eosinophils, neutrophils.
3. Immunological surveillance: Natural killer (NK) cells
4. Antimicrobial proteins: Interferons and Complement
5. Inflammatory response: redness, heat, swelling, and pain
6. Fever: pyrogens, antigen-antibody complex, Interleukin-1

Question 23

monocytes. cruise and look or fixed and wait

Answer 23

macrophage

Question 24

destroy parasitic worms

Answer 24

eosinophill

Question 25

destroy bacteria w enzymes like bleach (respiratory burst)

Answer 25

neutrophils

Question 26

Chemicals released from cells upon viral infection, affect protein synth of adjacent

Answer 26

interferons

Question 27

plasma proteins produced by liver. cause inflammation, opsonixation (tasty) MAC

Answer 27

complement

Question 28

Lymphocytes

Answer 28

B and T cells. Lots of variants

Question 29

Antigen presenting cells

Answer 29

Macrophages, dendritic cells, activated B-cells ingest foreign matter, digest it, then put small fragment of digested foreign matter on their cells surface.

Question 30

Humoral immunity

Answer 30

is mediated by B-cell secreting antibodies.

Question 31

Cell-mediated immunity

Answer 31

is mediated by T-cell directly attacking and killing rogue cells.

Question 32

differences in adaptive defense from innate

Answer 32

specific and versatile systemic not local memory

Question 33

self antigens

Answer 33

MHC 1 and MHC 2

Question 34

active humoral immunity

Answer 34

B-cells make antibodies in our bodies. exposed or vaccine

Question 35

Passive humoral immunity:

Answer 35

Antibodies from another source are injected to rapidly neutralize a threat. (plasma)

Question 36

antibodies

Answer 36

Y shape, bind antigens