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28 Cards in this Set
- Front
- Back
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Siderophores are bacterial proteins that compte with:
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Animal proteins to bind iron
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The definition of lysogeny is
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Phage DNA is incorporated into host cell DNA
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An envelope is acquired during which of the following step
a)Release b)Penetration c)Uncoating d)Adsorption |
Release
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The most frequently used portal of entry for the pathogens is the
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Mucous membranes of the respiratory tract
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Which of the following is NOT a step in bacteriophage replication?
a)Penetration b)Uncoating c)Attachment d)Maturation e)Release |
Uncoating
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All of the following statements about drug resistance are true EXCEPT
a)it may be due to enzymes that degrade some antibiotics b)it may be due to misuse of a drug c)it may be carrried on plasmid d)it may be transferred from one bacterium to another during conjugation e)it is found only in gram [-] bacteria |
it is found only in gram[-] baccteria
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Which of the following is NOT a method of culturing viruses?
a) in cell culture b) artifical culture media c) in embryonated eggs d) in laboratory animals e) none of the above |
artifical culture media
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the science that deals with when disease occur and how they are transmitted is called
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epidemiology
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which of the following is a fomite?
a) insects b) water c) droplets from a squeeze d) pus e) a hypodermic needle |
a hypodermic needle
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what group does the antibodies listed belong to:
a) Tetracyclines b) Penicillins c) Floroquinilones d) Cehalosporins e) Sulfonamides |
a) Inhibition of protein synthesis
b) Inhibition of cell well synthesis c) Inhibition of nucleic acid synthesis d) Inhibition of cell wall synthesis e) competitive inhibition of enzymes |
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the first antibotic discoverd was
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penicillin
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the correct term for microorganisms multiplying in the blood is
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septicemia
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what are used for attachment to a host
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a) M protein
b) fimbriae c) adhesins d) pili |
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Which of the following is true?
a) symbiosis refers to different organisms living together b) symbiosis refers to different organisms living together and benefiting from each other c) at least one member is harmed in a symbiotic relationship d) members of a symbiotic relationship cannot live without each other e) a parasite is not in symbiosis with its host |
symbiosis refera to different organisms living together
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endotoxins are
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part of the gram [-] cell wall
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diseases caused by protozoan and helminthic organisms are difficult to treat because?
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their cells are structurally and functonally similar to human cells
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continuous cell lines differ from primary cell lines in that?
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continuous cell lines can be maintained through an indefinite number of generations
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symptoms of disease differ from signs of disease in that symptoms?
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are subjective changes felt by the patient
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bacterial death will result from damage to which of the following components?
a) proteins b) nucleic acids c) cell wall d) plasma membrane e) all of the above |
all of the above
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influenza transmitted by an unprotected sneeze is an example of:
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droplet transmission
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a nonsocomial infectection is?
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acquired during the course of hospitalization
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the ID50 is a:
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dose that will cause an infection in 50% of the test population
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an infectious protein is a
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prion
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what antimicrobial agents is recommened for use against fungal infections?
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Amphotericin B
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all of the following contribute to the virulence of a pathogen EXCEPT:
a) cell wall b) toxins c) enzymes d) # of microorganisms that gain access to a host e) shape |
shape
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viral species is a group of viruses that:
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have the same genetic information and ecological niche
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which of the following is NOT a reservoir of infection:
a) a sick animal b) a sick person c) a healthy person d) a hospital e) all of the above can act as reservoirs of infection |
all of the above
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septic shock associated with infection by gram[-] bacteria is due to
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LPS (endotoxin) released from the bacterial cell wall
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