Chapter 16: Innate Immunity Flashcards
1
Q
What is the immune system?
A
The body’s defenses against a pathogen or any foreign particles
2
Q
Describe innate immunity
A
Nonspecific defenses that are present at birth and provide a rapid response
3
Q
Innate immunity involves what lines of defense?
A
First and second line of defenses
4
Q
What are four primary barriers of the first line of defense?
A
Skin, mucus membranes, pH, lysozyme
5
Q
What does Cilia do?
A
Sweeps out trapped microbes/particles that enter the body
6
Q
What do goblets cells secrete?
A
Mucus
7
Q
What does mucus do?
A
Trap microbes or large particles
8
Q
What are chemical factors from our first line of defense?
A
PH and lysozyme
9
Q
Give an example of how pH acts as a defense
A
The stomach is acidic and the acid on our stomach help to kill microbes or any organisms that enter the body
