Navigation » List of Schools » Prince George Community College » Biology » Bio 2010 – Microbiology » Summer 2023 » Lecture Exam 1
Below are the questions for the exam with the choices of answers:
Question #1
A stomach acid is not an important factor in determining virulence.
B stomach acid decreases the virulence of Vibrio cholerae.
C pH has no effect on virulence.
D stomach acid increases the virulence of Vibrio cholerae
Question #2
A more than one of the choices are correct
B none of these are correct
C death rate
D infection rate
E number of incidences
F number of prevalence
Question #3
A location
B time
C temperature
D size
Question #4
A reactive electrons
B octet electrons
C inert electrons
D valence electrons
Question #5
A increase the pH so that the antibiotic does not work
B none of these are correct
C move to a new location where there is no antibiotic
D change the microorganismâ s targeted cell structure
E more than one of the choices are correct
F change the antibiotic structure so that it cannot function
Question #6
A social isolation never makes them go away
B ignorance almost always makes them worse
C they usually end with very minimal loss of human life
D they only affect poor, less affluent countries
Question #7
A convalescence
B more than one of the choices are correct
C prodromal
D decline
E illness
F incubation
Question #8
A they often involve several animals before they transmit to humans
B when humans are the final spill over recipient, the virulence increases
C they can be detected before they outbreak into pandemics
D they always are transmitted from the same vector
Question #9
A refers to the number of people an infected person will infect with the virus
B is exactly the same for every infectious outbreak in recent history
C refers to the proportion of fatal cases among those that have the disease
D refers to the proportion of living cases among those that have the disease
Question #10
A transmitting infectious water droplets through laughing
B transmitting infectious water droplets through sweating
C more than one of the choices are correct
D transmitting infectious water droplets through sneezing
E none of these are correct
F transmitting infectious water droplets through the rain
Question #11
A an infection whose spread cannot be controlled
B an infection the spreads in a hospital
C an infection that spreads between two humans
D an infection that spreads from an animal to a human
Question #12
A appearance
B mitochondrial
C Gram stains
D DNA
E fats
Question #13
A sporadic
B pandemic
C endemic
D epidemic
Question #14
A their outer shell is full of electrons
B their outer shell is full of protons
C their outer shell is full of atoms
D their outer shell is full of neutrons
Question #15
A the experimenter could look for contamination without disturbing the experiment.
B the flask allowed fresh air to directly contact the medium
C the flask had a glass barrier that prevented contamination.
D the flask could be heated media in order to prevent microbial growth.
Question #16
A animals.
B insects.
C continents.
D individuals
E states.
Question #17
A 7.5
B 7.0
C 1.5
D 8.0
E 14.0
Question #18
A the animal or object that transmits the infectious disease to humans
B a place for the microbe to live before and after infection.
C a place the microbe resides during an infection.
D an infected host organism
Question #19
A incubation, convalescence, prodromal period, illness, decline
B convalescence, incubation, prodromal period, illness, decline
C illness, convalescence, incubation, prodromal period, decline
D prodromal period, convalescence, incubation, illness, decline
E incubation, prodromal period, illness, decline, convalescence
Question #20
A nonliving matter gives rise to living organisms
B oxygen is necessary for living organisms
C living cells can only arise from preexisting living cells
D Microorganisms can be generated for nonliving matter
Question #21
A the digestive tract
B the urinary tract
C the placenta
D the eyes and skin
E the respiratory tract
Question #22
A mutualistic.
B parasites.
C pathogens.
D commensals.
Question #23
A reservoir
B hot zone
C source
D vector
Question #24
A prodromal route
B respiratory membrane
C nosocomial route
D parenteral route.
Question #25
A mutualism
B pathogenicity
C parasitism
D commensalism
Question #26
A cells
B disease
C air
D bacteria
Question #27
A endemic.
B sporadic.
C pandemic.
D epidemic.
Question #28
A mortality
B morbidity
C incidence
D prevalence
Question #29
A all of these are correct
B the host’s defenses or degree of resistance
C none of these are correct
D the virulence of the organism
E the number of microorganisms infecting the host
Question #30
A the microorganism must be isolated in pure culture
B the isolated organism must be inoculated in a human and cause disease
C the organism must be isolated in all cases of disease
D the organism must be isolated in pure culture from the lab animal
Question #31
A a microbe that causes disease in humans
B a virus that does nothing to humans
C a parasite that kills its host
D a parasite that infects dogs
Question #32
A community infections
B social infections
C vector-borne infections
D nosocomial infections
Question #33
A
B the number of neutrons in the outer valence shell
C the number of protons in the outer valance shell
D the number of electrons in the outer valence shell
E none of these
Question #34
A nosocomial
B partial
C common source
D opportunistic
Question #35
A polar-covalent bond.
B non-polar covalent bond
C hydrogen bond.
D ionic bond.
Question #36
A threshold immunity
B herd immunity
C resistance effect
D vicarious immunity
Question #37
A lethal point
B penetration point
C infectious point
D portal of entry
Question #38
A time of infection and recovery
B appearance of clinical symptoms and death
C the time of infection and death
D the initial infection and appearance of clinical symptoms
Question #39
A isolate microorganisms from diseased animals.
B develop vaccines for specific diseases.
C clearly identify and characterize a particular microorganism.
D demonstrate that a disease is caused by a specific microorganism.
Question #40
A human behavior
B genetic profile
C all of these
D environmental conditions
Question #41
A 2, 8, 18, 2
B 2, 8, 18
C 2, 8, 18, 8, 2
D 2, 8, 18, 8, 5