Microbiology true and false
A case of any infectious disease produces an immunity to that disease
False
A fumigant is a liquid used for disinfection
False
A spore that is formed near but not at the end of a bacilli is classified as a terminal spore
False
A vaccine establishes passive immunity
False
Active immunization to tetanus can be produced by the inoculation of an immune serum
False
All bacteria contained an organized nucleus
False
All members of the genus Neisseria are pathogenic to humans
False
An antibody is a substance which when introduced into the body causes the body to produce antigens
False
An antiseptic is bacteriocidal in its action
False
An antiserum is a blood serum that contains antigens
False
Antibacterial serums neutralize exotoxins
False
Antibodies are substances which, when introduced into the body, stimulate the body to produce specific antigens
False
Attenuation implies an increase in virulence
False
Bacteria that exhibit flagella are termed atrochous
False
Bichloride of mercury is a good chemical disinfectant for instruments
False
Disinfection refers to the killing of all microorganisms present
False
Dry heat is more practical than moist heat for sterilization
False
Endospores are easily stained using simple staining methods
False
Epidemic parotisis is caused by a Chlamydia
False
Ethylene oxide is normally used as a liquid chemical disinfectant
False
Gonococci can live for long periods of time outside the body of the host
False
Gonorrhea may be transmitted through the placenta to the unborn child
False
Hexachlorophene is a quarternary ammonium compound
False
In an acid fast stain, those organisms that are (-) would be red in color
False
Influenza is caused by a bacillus
False
Lobar pneumonia may be prevented by vaccination with killed cultures of the organisms that cause the disease
False
Mechanical vectors transmit disease directly from host to host
False
Molds are nearly spherical in shape and reproduce by budding
False
Most non-pathogenic bacteria grow best in alkaline pH
False
Most pathogenic bacteria grow best in acidic pH
False
Mycobacterium tuberculosis are encapsulated bacteria
False
Opsonins are substances in the blood that dissolve bacteria
False
Precipitins are a specific type of antigen
False
Recovery from rabies is usually rapid
False
Sarcinae are bacteria that exist in packets of four
False
Scarlet fever may be transmitted by mosquitos
False
Some streptococci are capable of forming endospores
False
Some types of bacilli are able to form a number of endospores within a single parent cell
False
Streptococcus pyogenes may be the causative agent for scarlet fever, rheumatic fever, gonorrhea, and puerperal fever
False
The dermatropic virus diseases usually enter the body via the skin
False
The etiological agents for the disease tuberculosis are capable of forming endospores
False
The most common type of plague is the pneumonic variety
False
The organism causing athlete's foot is a yeast
False
There is only one form to the disease poliomyelitis
False
Yeasts possess both sexual and asexual means for reproduction
False
Zephiran chloride is highly toxic to living tissues
False
A spore that is found near the end of the bacterial cell is called subterminal
True
Aggulitinins are antibodies that cause organisms to adhere to each other and form clumps
True
Aggulitinins are specific types of antibodies
True
All members of the genus Clostridium are capable of forming endospheres
True
All saprophytic bacteria are heterotrophic
True
All spirilla, spirochetes, and vibrio are gram-negative
True
All vaccines are antigenic
True
An antigen is a substance which when introduced into the body causes the body to produce antibodies
True
An antiserum serves as a means of defense against a disease if it contains antibodies specific for that disease
True
An antitoxin establishes passive immunity
True
An increase in temp generally causes an increase in efficiency of a disinfectant
True
Antibodies which act on bacteria or other foreign substances in such a manner as to render them more easily ingested by phagocytes are called opsonins
True
Any foreign protein can act as an antigen in the host
True
Asiastic cholera is a disease caused by an organism named vibrio cholerae
True
Boiling kills most vegetative bacteria in 5-10 mins
True
Carbolic acid is used in standardization of disinfectants
True
Epidemic parotisis is another name for the mumps
True
Gonorrhea and opthalmia neonatorum are diseases caused by the same organisms
True
Gonorrhea is an example of an infection that may be either acute or chronic
True
Hexachlorophene is not retarded by its action by combining with soaps
True
Hyaluronidase is a bacterial product capable of dissolving "cell cement"
True
Most people are carriers of the disease lobar pneumonia at some time during the year
True
Passive immunization is used as a prophyactic measure in regard to a specific infection
True
Pneumococci are encapsulated when existing in vegetative form
True
Preciptitins are specific types of antibodies
True
Puerperal fever is an infection that occurs only in females
True
Scarlet fever may be transmitted by contaminated milk
True
Spore forming bacilli are gram (+)
True
Syngergism is an assoc. of two organisms with a result that neither species could produce by itself
True
The "Humoral Immunity Theory" involves the formation of antibodies in the blood
True
The disease diptheria may be prevented by producing an artificially acquired active immunity to the disease
True
The disease epidemic meningitis is caused by a member of the same genus as the causative agent for the disease gonorrhea
True
The hanging drop preparation is used in the examination of unstained microorganisms
True
The malarial parasite is a protozoan organism which belongs to the genus plasmodium
True
The organisms responsible for tularemia may enter the body through the broken or unbroken skin
True
The study of molds is mycology
True
Those bacteria in which endospores are not found are called vegetative bacteria
True
Those bacteria that exhibit flagella are termed flagellates
True
Varicella is another name for smallpox
True
Viruses are good antigens
True
Young infants show a passive immunity to such diseases as measles, chickenpox, and diptheria due to a transfer of immune bodies from the blood of the mother to the unborn child through the placenta
True
