Brainscape's Knowledge GenomeTM

Browse over 1 million classes created by top students, professors, publishers, and experts.


See full index

[BIO] Term 1 Reviewer > Immune System > Flashcards

Immune System Flashcards

1
Q

Why does laughter help w our immune system?

A

It triggers dopamine production in the brain to decrease stress

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

large network of organs, WBCs, proteins (antibodies), and chemicals; works together to protect us from foreign invaders

A

Immune System

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

Why is virus a non living thing?

A

It has no cells

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q
  • Infectious microbe consisting of a segment of nucleic acid surrounded by a protein coat
  • can’t replicate alone as it infects cells
A

Virus

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

What are the body’s First Lines of Defense?

A

Saliva (lysozymes = enzyme which makes it antibacterial)
Tears
Skin - prevents entry
Mucus linings - traps dirt and microbes
Stomach acid - low pH kills harmful microbes
Good gut bacteria

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

Cuts are sealed by?

A

Blood clotting

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

What protein is released by platelets?

A

Thrombin

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

This makes up the hard scab in wounds

A

Fibrin

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

Why do wounds heal slower in diabetic people?

A

Glucose attaches to the matrix onstead of fibrin

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

Dead outer layer of skin

A

Epidermis

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

We shed how many skin cells in a day?

A

40-50k

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

Gland that produces sebum

A

Sebaceous gland

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

Bacteria that can survive HCl

A

acidophile

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q
  • bacteria living in people and animals’ intestines
A

e coli

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

Bacteria that move to locations where they are not supposed to be; usually a harmless bacteria

A

Opportunistic Pathogens

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

What is the Second Line of Defense?

A

WBCs

17
Q

Eat foreign particles by engulfing them

A

eosinophils

18
Q

phagocyte breaks foreign particles in organelles called?

A

Lysosomes

19
Q

2 types of leukocytes

A
  1. Phagocytes = consume foreign cells; trigger immune system
  2. Lymphocytes = t-cells
20
Q

What is the Third Line of Defense?

A

Lymphatic System

21
Q

network of delicate tubes throughout the body

A

Lymphatic System

22
Q

Tissues full of immune cells

A

Lymph nodes

23
Q

Where are lymph nodes found?

A
  1. Tonsils
  2. Peyer’s patches (lining of intestine)
  3. Groin
  4. Neck
  5. Abdomen
24
Q

What is a types of WBC that we can’t live without?

A

Lymphocytes

25
Q

These natural killer cells protects us from infection

A

T cells

26
Q

Lets B cells know intruders are present; helps them create antibodies (cytokines are released)

A

Helper T Cells

27
Q

These cells create antibodies; kill the microbe

A

Killer T Cells

28
Q

Create antibodies that attach to antigens

A

B cells

29
Q

2 divisions of the Immune System

A
  1. Innate
  2. Adaptive
30
Q

provides general protection – you’re born with it

A

Innate Immunity

[BIO] Term 1 Reviewer (4 decks)

Brainscape helps you reach your goals faster, through stronger study habits.
© 2024 Bold Learning Solutions. Terms and Conditions