Georgia Science Grade 7

Chapter 23: Immunity and Disease

Immunity and Disease

1
The process of heating a liquid to kill much of the bacteria in milk and other liquids is called __________.
A)vaccination
B)inflammation
C)immunization
D)pasteurization
2
White blood cells called __________ are important in specific defenses against pathogens.
A)pathogens
B)antibodies
C)vaccines
D)lymphocytes
3
With __________ some antibodies stay on duty in your blood, and more are produced rapidly if the pathogen enters your body again.
A)passive immunity
B)inflammation
C)first-line defenses
D)active immunity
4
Forms of antigens that give you active immunity to a disease without getting the disease first are called __________.
A)antibodies
B)vaccines
C)viruses
D)fevers
5
Which one of the following is a chemical that can cause a chronic lung disease when inhaled?
A)lead-based paint
B)antihistamine
C)asbestos
D)alcohol
6
What Bacterial STD has three stages and starts with a sore on the mouth or genitals?
A)AIDS
B)genital herpes
C)cancer
D)syphilis
7
Redness, swelling, and pain are all signs of what?
A)specific defenses
B)inflammation
C)passive immunity
D)active immunity
8
What is the job of the Centers for Disease Control and Prevention (CDC) in the United States?
A)regulates hospitals
B)produces antibiotics that are used to treat diseases
C)monitors the spread of infectious disease
D)pasteurizes all milk sold in stores
9
An example of a biological vector is __________.
A)water fountain
B)a mosquito
C)bacterium
D)virus
10
Which one of the following could be described as a minute piece of genetic material that multiplies in host cells?
A)bacterium
B)virus
C)fungus
D)protist
11
What body system is attacked when a person is infected with HIV?
A)respiratory system
B)digestive system
C)reproductive system
D)immune system
12
Which one of the following is a viral STD?
A)gonorrhea
B)syphilis
C)chlamydia
D)genital herpes
13
Which one of the following is a characteristic of passive immunity?
A)results from antibodies made by your body
B)does not last long
C)caused by a pathogen
D)is produced by vaccines
14
Surgery, irradiation with X rays, and chemotherapy have been used to treat __________.
A)malaria
B)cancer
C)diabetes
D)allergies
15
Which of the following is a defense against pathogens that are used by your digestive system?
A)white blood cells
B)perspiration
C)hydrochloric acid
D)oil glands
16
Which one of the following is a characteristic of cancer cells?
A)their growth is uncontrolled
B)they function normally in the body
C)they can only cause tumors in the liver
D)they can not survive in the blood
17
What is an overly strong reaction of the immune system to a foreign substance called?
A)STD
B)allergy
C)specific defense
D)infectious disease
18
Who developed a way to tell which specific organism caused a specific disease?
A)medieval scientists
B)Louis Pasteur
C)Robert Koch
D)Joseph Lister
19
Joseph Lister recognized the relationship between the infection rate following surgery and __________.
A)viruses
B)cleanliness
C)diseases
D)immunization
20
Molecules that are foreign to your body are called __________.
A)memory cells
B)antigens
C)lymphocytes
D)antibodies
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