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2021SCIENCE Chp 14
Chp 14 Disease
Question | Answer |
---|---|
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 |