1. Do Now Quiz
AIDS is an infectious disease that has reached epidemic proportions. Describe the nature of this disease and identify two ways to prevent or control the spread of infectious diseases, such as AIDS. In your response, be sure to include:

2. The type of pathogen that causes AIDS.
The system of the body that is attacked by that pathogen.
The effect on the body when this system is weakened by AIDS.
Two ways to prevent or control the spread of infectious diseases, such as AIDS.

3. LO: SWBAT describe malfunctions of the immune system and explain how they affect the body.
DN: h/o- HIV regents constructive response question

4. How can your immune system malfunction?
Allergies
Asthma
Autoimmune Disease
Organ Transplants
Show movie My Girl

5. What is an allergy?
Overreaction of the immune system to a foreign substance that is harmless
Can you think of materials that can cause allergic reactions?

6. What are things that cause allergies?
Allergens
BEE POLLEN
RAGWEED
HOUSE DUST
MOLD

7. Allergic reactions Antihistamine
Inflammatory response: allergen attaches to mast cells which release histamines.
Histamines are chemical that can trigger an inflammatory response (capillaries swell)
Hives, nausea, or shock
What can we take for allergies?
Antihistamine

8. Asthma is an allergic reaction
Allergic reaction that causes your respiratory ducts to swell

9. fails in distinguishing
Autoimmune disease
The immune System
fails in distinguishing
between self and
non-self.
Body is attacked by its own immune system
Can affect any body system

10. Examples of Autoimmune diseases
In MS, the immune system attacks the protective coating around nerves, called myelin.
Diabetes is a disease, which prevents the body from properly using food energy.

11. Rheumatoid arthritis
Joints swell

12. organ transplants This is a kidney being removed from a donor
The donor will have his own ID tags on the cell membrane. What are these ID tags called?

13. Why are transplants difficult?
A transplanted organ is recognized as foreign and will produce antibodies to it.

14. How will the recipient react?
The donor must be a “match” (must not see the antigens on it as foreign) for the recipient otherwise the immune system will reject the new organ
The chance of REJECTION is less when the donor and recipient are closely related or when anti-rejection medication is used.

15. Why take an immunosuppressant?
It will suppress your immune
system and reduce the chance
of destroying the transplanted
organ.
What is the risk of suppressing
the immune system?
Use the bubble boy movie – beginning of the movie
It increases the patient’s risk for
an infection.

16. Name: __________ Date: _______ Do Now Quiz #1 #: _______
Describe the difference between active immunity and passive immunity.
Describe two ways in which you can get active immunity.
Describe two ways in which you can get passive immunity.