Chapter 21 2.0

Question 1

What are the 2 branches of the immune system?

Answer 1

Innate and adaptive

Question 2

What are the 2 parts of the first line of defense?

Answer 2

External - Skin and Mucous membranes
Internal - neutrophils and macrophages

Question 3

What cells and processes are involved in the second line of defense (5)?

Answer 3

Phagocytes, NK cells, inflammation, antimicrobial proteins, fever

Question 4

What 2 cells are phagocytes and what do they do?

Answer 4

Neutrophils (die after fighting)
Macrophages (free or fixed, develop from monocytes)

Question 5

What are NK cells

Answer 5

Non phagocytic large lymphocytes that police blood and lymph

Question 6

What cells are involved in the process of inflammation?

Answer 6

Macrophages, neutrophils and lymphocytes

Question 7

What are the 4 signs of inflammation?

Answer 7

Redness, heat, pain, swelling

Question 8

What are 3 characteristics of adaptive immunity?

Answer 8

Specific, systemic, and memory

Question 9

What are 2 branches of adaptive immunity?

Answer 9

Humoral and cellular

Question 10

What cells are involved in humoral immunity?

Answer 10

B cells

Question 11

What cells are involved in cellular immunity?

Answer 11

T cells