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