Chapter 23 Life Science Test Reveiw Flashcards Preview

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Flashcards in Chapter 23 Life Science Test Reveiw Deck (20):
1

Which has not been found to be a biological vector

Trees

2

What is for add in the blood to fight invading antigens

Antibodies

3

How do scientist know that a pathogen causes a specific disease

It is present in all cases of the disease

4

Which is one of your bodies general defenses

Stomache enzymes

5

Which disease is caused by a virus that attacks white blood cells

AIDS

6

Which is known as an infectious disease

Syphilis

7

Which is a characteristic of cancer

Interfere with normal body functions

8

How can cancer cells be destroyed

Chemotherapy

9

Which is caused by a virus

AIDS

10

T or F type one diabetes results from to little or no insulin production. Type two diabetes your body can't properly produce insulin

True

11

T or F anti bodies equal foreign to your body ; antigens equal made into response to antigens

False

12

T or F not all diseases are caused by pathogens

True

13

T or F all though most pathogens can't get through unbroken skin they can get into ur body easily through a cut or through ur mouth and the membranes in your nose and eyes

True

14

T or F helper T cells release enzymes that help destroy invading foreign matter

False

15

T or F a vaccine can cure a disease

False

16

T or F pancreatic cancer is one of the leading causes of death in men and women

False

17

T or F active immunity equals your body makes its own antibodies ; passive immunity equals anti bodies introduced to the body

True

18

T or F Examples of vectors that have been sources of disease are rats birds cat dogs misquotes fleas

True

19

T or F ur body reacts to allergens by releasing chemicals called antihistamines ; histamines are medication that can be used to treat allergic reactions asthma

False

20

How can infectious diseases be caused

Organisms