EXAM QUESTIONS AND CORRECT ANSWERS
◉ Bacteria. Answer: Germs or microbes are one-celled
microorganisms
◉ Pathogenic. Answer: disease producing bacteria
◉ Nonparthogenic. Answer: Non disease producing bacteria
◉ Saprophytes. Answer: Nonpathogenic bacteria that lives on dead
matter
◉ Bacteria logy. Answer: Single cells with one or more shapes:
circular, spiral, or rod shaped.
◉ Cocci bacteria. Answer: Spherical or round shaped bacterial cells.
◉ Staphylococci. Answer: bacteria growing in bunches (like grapes)
pus forming
,◉ Streptococci. Answer: bacteria that form a chain also pus forming
sometimes causing strep threat, rheumatic fever or also called blood
poisoning
◉ Diplococci. Answer: Spherical bacteria that grow in pairs and
cause diseases such as pneumonia. Think double
◉ Bacilli. Answer: Rod shaped bacteria or bar that can produce
tetanus, influenza, typhoid fever. Think bar
◉ Spirilla. Answer: Spiral shaped bacteria or coiled cause highly
contagious disease such as syphilis and cholera. Think spiral
◉ Active Stage. Answer: Bacteria reproduce and grow rapidly
◉ Inactive stage. Answer: The cells die or become inactive
◉ Flagella. Answer: whiplike tails found in one-celled organisms to
aid in movement
◉ Viruses. Answer: very small infectious agents that live only by
invading other cells for example herpes, aids chickenpox etc. host
cells
,◉ CDC. Answer: Centers of disease control
◉ Psw. Answer: Personal service workers
◉ External parasites. Answer: Organisms that grow and feed on
other living organisms known as hosts. Example head lice and itch
mites(scabies)
◉ Infection disease. Answer: Contamination or invasion of body
tissue by pathogenic organisms
◉ contagious disease. Answer: Transmitted from person to person
through casual contact or through exchange of bodily fluids example
aids, herpes
◉ Local infection. Answer: pathogens are limited to a small area of
the body indicated by a pus filled boil or pimple. Think little
◉ General infection. Answer: Occurs when the circulatory system
carries bacteria and their toxins throughout the whole body. Think
giant
◉ Immunity (n). Answer: The body's ability to destroy infectious
agents that enter it.
, ◉ Natural immunity. Answer: Natural resistance to disease
◉ Epidermis layers. Answer: Outermost layer of skin
◉ passive immunity. Answer: Vaccinations stimulate the body's
immune system
◉ Infection control. Answer: Efforts to prevent the spread of disease
and kill microbes.
◉ Cross contamination. Answer: Bacteria spreads by contaminated
equipment, surfaces, or food.
◉ Sanitation the lowest level. Answer: Kills surface bacteria
◉ Disinfection 2nd level. Answer: Kills bacteria, viruses, and kills
most organisms on surfaces. Used on implements and surfaces.
◉ Sterilization highest level. Answer: Eliminates all living organisms
on surfaces, including ones that adhere to instruments.