Human Immune System

Question 1

Pathogens

Answer 1

Organisms that cause disease

Question 2

First Line of Defense

Answer 2

Non-specific

Skin blocks pathogens

Mucus

Cilia in respiratory system

Stomach acid kills germs

Question 3

Second Line of Defense

Answer 3

non-specific

Inflammatory response triggered by histamine

phagocytes

interferons

Question 4

Histamine

Answer 4

Increases blood supply and brings more phagocytes to gobble up germs

Part of inflammatory response

Question 5

Where are lymphocytes produces?

Answer 5

Bone marrow

Question 6

B Lymphocytes

Answer 6

Produce antibodies that target a specific antigen

Question 7

T Lymphocytes

Answer 7

Killer T’s

Go hand to hand combat alone

Question 8

Memory Cells

Answer 8

Immunological memory

Live your entire lifetime

Reason why you only get chicken pox once

Question 9

Plasma Cells

Answer 9

Fight antigens immediately and do not live long

Question 10

Antigen

Answer 10

germs

Question 11

Passive Immunity

Answer 11

antibodies are borrowed

ex: breastfeeding from mother

Question 12

Active Immunity

Answer 12

You make the antibodies yourself

Question 13

Certain danger in blood transfusion comes when…

Answer 13

recipient has antibodies to the donor blood

Question 14

Allergies

Answer 14

Caused by histamines

Extreme allergies cause anaphylactic shock

Question 15

Vaccines

Answer 15

PREVENT viral infections

not a cure

Question 16

Autoimmune diseases

Answer 16

System cannot distinguish between fighting itself and others

MS, lupus, rheumatoid arthritis, juvenile diabetes