ch 14 Flashcards
In which disease do a person’s body cells multiply uncontrollably?
cancer
Which of the following is an example of indirect contact that spreads some infectious diseases?
inhaling infected drops of moisture
How do breathing passages help keep pathogens out of the body?
Mucus and cilia trap pathogens.
An infectious disease is a disease that
is caused by pathogens.
What type of white blood cells are part of the inflammatory response?
phagocytes
Based on what is known about the way HIV is spread among people, which of the following is one way that a person can become sick with AIDS
having sex with an infected person
How does HIV damage the immune system?
by destroying T cells
Immunity is the body’s ability to
destroy pathogens before they can cause disease.
A disorder in which the immune system is overly sensitive to a substance not normally found in the body is called
An allergy.
How are colds and the flu usually spread?
by direct or indirect contact with infected persons
The _____, in which fluid and white blood cells leave blood vessels, is the body’s second line of defense
inflammatory response
Colds and tuberculosis are both examples of ______ diseases, because they are caused by pathogens within the body.
infectious
The virus that causes AIDS is called ______________________
HIV
The stomach contains ____________________ that destroys pathogens.
acid
In diabetes, high levels of____________ are found in the blood and urine.
glucose
