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2021SCIENCE Chp 14

Chp 14 Disease

any abnormal condition in a living organism causing an illness disease
What makes a disease infectious? caused by pathogens and contagious
any organism or particle that can cause disease pathogen
List the 4 types of pathogens we discussed. bacteria, viruses, fungi, protists
Which pathogen likes to grow in warm, moist places? fungi
Which pathogen is usually treated with antibiotics? bacteria
What type of pathogen causes the flu and most common colds? viruses
How can infectious diseases be spread? person to person; contaminated objects; infected animals; contaminated food, soil, or water
What type of disease comes on quickly and lasts a short time? acute
Which pathogen is not considered a living thing? virus
What does a virus need to reproduce? a host cell
What does a virus inject into the host cell? its genetic material (DNA or RNA)
A disease that lasts a long time and/or reoccurs frequently is called what? chronic
What is an abnormal immune reaction to a foreign substance. allergy
What is an abnormal condition usually inherited through genes? genetic disorder
Allergies and genetic disorders are classified as what type of disease? noninfectious
What does noninfectious mean? not contagious and not caused by pathogens
What do you call a substance that provokes (causes) an allergy? allergen
What are some common allergens? pollen, dust, mold, certain foods, pet dander, poison ivy
What disease is a chronic bacterial infection marked by skin lesions? leprosy
What is your body's first line defense against infection? barriers
Give an example of a barrier. skin; mouth; stomach; breathing passages
What is your body's second line of defense? lymphatic system
What is a watery fluid containing white blood cells running through lymphatic vessels? lymph
What are masses of tissue that filter lymph and trap pathogens? lymph nodes
Where are your white blood cells produced? bone marrow
What do some white blood cell produce in order to fight pathogens? antibodies
Most vaccinations given are an example of what type of immunity? active
What type of immunity lasts only a few months? (Example: mother passes it to newborn baby) passive
What type of immunity develops after you have an illness? active
What is the name of the cells produced for your body to be "immune"? memory cells
Created by: pcsteacher6
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