PIVOT POINT 102 SCIENCE WEEK 1 QUIZ

bacteria

tiny one cell micro-organisms

nonpathogenic

harmless and can be very beneficial

pathogenic

live everywhere in your environment and even exist inside your body

staphylococci

pus forming and formed in bunches like grapes

streptococci

pus forming and forms in long chains; causes strep throat

diplococci

forms in pairs; cause of certain infections, including pneumonia

bacilli

bar/rod shaped cells that produce a variety of diseases including tetanus, bacterial influenza, typhoid fever, tuberculosis, and diphtheria

spirilla

spiral/coiled/corkscrew shaped; cause highly contagious disease such as syphilis, STD, cholera, and Lyne disease

active growth

bacteria grows rapidly; as the bacteria absorbs food, each cell grows in size and divides into two new cells

inactive growth

other bacteria can survive for a long time in extreme heat or cold; bacteria are not always active

Hepatitis B Virus (HBV)

a highly infectious disease that affects the liver

Human Immunodeficiency Virus (HIV)

causes AIDS and breaks down; spreads when body fluids form an infected individual are absorbed into the blood stream

external parasites

live on or obtain nutrients from the host

parasitic fungi

molds and yeasts that produce such contagious disease as ringworm and nail fungus; as well as non-contagious conditions like dandruff

parasitic mites

insects that cause contagious disease, such as itch mites & head lice

bloodborne pathogens

carried through blood or body fluids; can be spread anytime skin is broken

direct transmission

touch or exchange of body fluids

indirect transmission

air or contact with contaminated object

local infection

small confined area; pus-filled boil; pimple or inflamed area

general infection

all parts of the body; circulatory system carries bacteria through body

active immunity

takes time to develop; long-lasting; disease exposure through vax

passive immunity

lasts for a few weeks; protection is immediate; person gives anti-bodies