CH 21 & 22 Part 2

Question 1

Innate immunity deals with what kind of cells?

Answer 1

1. Neutrophils
2. Macrophages
3. Dendritic cells

Question 2

How do neutrophils and macrophages break down unwanted substances?

Answer 2

Engulf them

Question 3

What is exocytosis?

Answer 3

Release of degraded residue

Question 4

Why are dendritic cells special?***

Answer 4

They present fragments of destroyed particles

Question 5

Dendrites present fragments for?

Answer 5

T-lymphocytes

Question 6

Natural killer cells will destroy?

Answer 6

1. Virus infected cells
2. Bacteria infected cells
3. Tumor cells
4. Transplanted tissue cells

Question 7

How do NK cells kill?

Answer 7

They release cytotoxin chemicals. Perforin and Granzymes.

Question 8

Function of perforin?

Answer 8

Creates pores in unwanted cells

Question 9

Function of granzymes?

Answer 9

Enters perforin pores and causes apoptosis of cell

Question 10

What is apoptosis?

Answer 10

Shriveling cell death

Question 11

What are inferons?

Answer 11

A class of cytokines that impede viral spread

Question 12

What is osponization?

Answer 12

When a complement protein binds to pathogen

Question 13

Function of opsonin?

Answer 13

Bind to a antigen and make it easier for phagocytes to eat it

Question 14

What do mast cells and basophils release to make openings in blood vessels?

Answer 14

Histamine

Question 15

Why do mast cells and basophils make openings in blood vessles?

Answer 15

So neutrophils can enter the tissue

Question 16

Cardinal signs of inflammation?

Answer 16

1. Redness
2. Heat
3. Swelling
4. Pain