All of the following are the body’s defenses against pathogens EXCEPT
a. A physical barrier such as the skin
b. The inflammatory response
c. The immune response
d. Attack by red blood cells
Attack by red blood cells
100
Cancer is a disease in which
a. Cells stop multiplying
b. Crab-shaped pathogens destroy cells
c. Cells begin dying faster than they can be replaced
d. Cells multiply uncontrollably
Cells multiply uncontrollably
100
Which of the following diseases might you catch by sharing a glass of water with another person?
a. Cancer
b. A cold
c. Asthma
d. Diabetes
a cold
100
What are names of the two cells associated with the immune system that distinguish between pathogens
B cells and T cells
200
________ is caused by the presence of a living thing within the body.
Infectious Disease
200
T cells and B cells are involved in the body's defense against pathogens, which is called the what?
Immune response
200
Percivall Pott hypothesized that soot was a _________ that caused cancer in chimney sweepers
carcinogen
200
What are the three barriers that keep pathogens out of your body?
Skin, Breathing Passages, Mouth and Stomach
200
HIV can be spread by all of the following EXCEPT
a. By drug users sharing needles
b. From a pregnant mother to her baby during childbirth
c. By sexual contact
d. By shaking hands
Shaking hands
300
Name the four major groups of human pathogens
Bacteria, viruses, fungi, and protists
300
The white blood cells that distinguish between different kinds of pathogens are called what?
(The main group name, not the name of the two types).
Lymphocytes
300
Name the three types of environmental carcinogens that your book discusses.
Ultraviolet light, Vinyl Chloride, Arsenic
300
One function of T cells is to
a. Recognize antigens
b. Produce antibodies
c. Make pathogens stick together
d. Keep pathogens from attaching to body cells
recognize antigens
300
Name the three main ways (3 lines of defense) your body defends against pathogens
A barrier that keeps pathogens out, inflammatory response, immune response
400
Name the four main ways that pathogens can spread
contact with infected person, contact with contaminated soil, food, water, contact with a contaminated object, contact with an infected animal
400
______ is the only known virus to attack the human immune system directly and destroy T cells.
HIV
400
What type of cancer can exposure to ultraviolet light lead to?
Skin cancer
400
A white blood cell that engulfs pathogens and destroys them by breaking them down is called what?
Phagocyte.
400
Name the four types of cancer that exposure to arsenic can lead to.
liver, bladder, kidneys, and lungs
500
Some bacteria cause diseases by producing a poisonous chemical called, what?
toxin
500
B cells produce proteins called __________ that help destroy pathogens
antibodies
500
Name the three types of cancer that exposure to vinyl chloride lead to.
lungs, liver, and brain
500
How does Lyme disease spread to humans?
Contact with an infected animal, specifically, a human gets bit by a tick that is carrying it.
500
Which type of human pathogen is only able to reproduce within a living cell?