Chapter 23 Life Science Test Reveiw Flashcards
(20 cards)
Which has not been found to be a biological vector
Trees
What is for add in the blood to fight invading antigens
Antibodies
How do scientist know that a pathogen causes a specific disease
It is present in all cases of the disease
Which is one of your bodies general defenses
Stomache enzymes
Which disease is caused by a virus that attacks white blood cells
AIDS
Which is known as an infectious disease
Syphilis
Which is a characteristic of cancer
Interfere with normal body functions
How can cancer cells be destroyed
Chemotherapy
Which is caused by a virus
AIDS
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
T or F anti bodies equal foreign to your body ; antigens equal made into response to antigens
False
T or F not all diseases are caused by pathogens
True
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
T or F helper T cells release enzymes that help destroy invading foreign matter
False
T or F a vaccine can cure a disease
False
T or F pancreatic cancer is one of the leading causes of death in men and women
False
T or F active immunity equals your body makes its own antibodies ; passive immunity equals anti bodies introduced to the body
True
T or F Examples of vectors that have been sources of disease are rats birds cat dogs misquotes fleas
True
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
How can infectious diseases be caused
Organisms
