Question
click below
click below
Question
Normal Size Small Size show me how
Chapter 18
Microbiology
Question | Answer |
---|---|
Bacteria that require oxygen to grow are called what | aerobes |
bateria that grow in the absence of oxygen and are destroyed by oxygen are called what | anaerobes |
Rod shaped bacteria that cause tuberculosis and other diseases | Bacilli |
a yeast commonly found in the oral cavity, gastrointestinal tract, female genital tract, and sometimes the skin | Candida |
A painless ulcerating sore which is the first sign of syphilis | Chancre |
spherical bacterial cells that reproduce by dividing into two singular coccus | Cocci |
Rare chronic brain disease with onset in middle to lte life | Creutzfeldt-Jakob disease |
a resistant, dormant structure formed inside of some bacteria that can withstand adverse conditions | Endospore |
organixms that can grow with or without oxygen | facultative aerobes |
plants such as mushrooms, yeast and molds that lack chlorophyll | fungi |
classification of bacteria that do not hold a dye stain under a microscope | gram negative |
classification of bacteria that hold a dye stain and appear dark purple under a microscope | gram positive |
four step staining process developed by Hans Christain Gram and used to separate bacteria into groups | Gram's stain |
classification of bacteria that are not consistently stained | gram variable |
What is H5N1 | a form of avian influenza virus |
a virus that causes infections in humans, such as cytomegalovirus, chickenpox, shingles,mononucleosis,measles,and kaposi's sarcoma | Herpesvirus |
Another word for Dormant is | Latent |
What is Microbiology | the study of microorganisms |
microorganisms that do not produce disease | nonpathogenic |
what is oral candidiasis | candida yeast infection of the oral mucosa |
a condition that occurs throughout the people of a country or the world | pandemic |
disease producing microorganisms | pathogens |
through the skin such as a needle stick a cut or a human bite | percutaneous |
a small flat dish made of thin glass or plastic that contains sterile solid medium for the culture of microorganism | petri plate |
infectious particles of proteins that lack nucleic acids | prions |
single celled microschpic animals without a rigid cell wall | protoza |
virus that is hidden during the latency period | provirus |
spiral shaped bacteria | spirochetes |
cocci that form irregular groups or clusters | staphylococci |
cocci that form chains as they divide | streptococci |
intermittent or fractional sterilization | tyndallization |
capable of causing serious disease | virulent |
ultramicroscopic infectious agents that contain DNA or RNA | viruses |
who said life was spontaneously generated from nonliving matter | aristotle |
who used a primitive microscope to observe stagnant water and scrapings from the teeth | antony van leeuwenhoek |
who explained the need for prolonged heating to destroy microbial life in broth | John Tyndall |
who recognized the role of airborne microorganisms in post surgical infection | joseph lister |
who disproved the theory of spontaneous generation of life, designed flasks shaped like a swan neck and prepared the first rabies vaccine? | lous pasteur |
what are the five major groups of microorganisms | bacteria,algae,protoza,fungi, and viruses |
what has often been described as the perfect parasite | viruses |
pathogenic bateria usually grow est at what temperature | 98.6 degrees F in a moist dark environment |
what are the 3 shapes of bacteria | spherical, rod and spiral |
what bacteria is the causative factor in dental caries | streptococcus mutans |
what represents teh most resistant form of life known | spores |
what are 3 prion diseases | mad cow disease, cruetzfeldt-jakob and possibly alzheimers disease |
what do viruses need to live? | host cell |
viral diseases are transmitted by ? | direct contact, insects, blood transfusions,contaminated food or water and inhalation of droplets expelled by coughing or sneezing |
which hepatitis is the least serious form of viral hepatits | A |
which hepatitis types are blood borne strains | B, C and D |
what cells does HIV attack in the body | T cells |
how is the west nile virus spread | by infected mosquitos |
which bacterial disease is the leading cause of death from infectious diseases worldwide | tuberculosis |
which disease is also known as lockjaw | tetanus |