Navigation » List of Schools » Prince George Community College » Biology » Bio 2010 – Microbiology » Spring 2021 » Lecture Exam 1 (A)
Below are the questions for the exam with the choices of answers:
Question #1
A increase the pH so that the antibiotic does not work
B change the microorganismâ s targeted cell structure
C more than one of the above is correct
D move to a new location where there is no antibiotic
E change the antibiotic structure so that it cannot function
F none of the above is correct
Question #2
A carbon dioxide
B air
C oxygen
D dust
E sunlight
Question #3
A the flask could be heated media in order to prevent microbial growth.
B the flask had a glass barrier that prevented contamination.
C the experimenter could look for contamination without disturbing the experiment.
D the flask allowed fresh air to directly contact the medium
Question #4
A commensalism
B mutualism
C parasitism
D pathogenicity
Question #5
A a milder disease will result.
B a more severe disease will result.
C a different disease of the same severity will result.
D pathogens cannot enter by alternate routes.
Question #6
A endemic
B pandemic
C epidemic
D sporadic
Question #7
A sporadic.
B epidemic.
C pandemic.
D endemic.
Question #8
A their outer shell is full of protons
B their outer shell is full of electrons
C their outer shell is full of neutrons
D their outer shell is full of atoms
Question #9
A community infections
B nosocomial infections
C social infections
D vector-borne infections
Question #10
A infectious point
B lethal point
C penetration point
D portal of entry
Question #11
A reactive electrons
B valence electrons
C inert electrons
D octet electrons
Question #12
A the number of neutrons in the outer valence shell
B the number of electrons in the outer valence shell
C the number of protons in the outer valance shell and the number of neutrons in the outer valence shell
D the number of protons in the outer valance shell
E none of the above
Question #13
A the organism must be isolated in all cases of disease
B the organism must be isolated in pure culture from the lab animal
C the isolated organism must be inoculated in a human and cause disease
D the microorganism must be isolated in pure culture
Question #14
A a place the microbe resides during an infection.
B a place for the microbe to live before and after infection.
C an infected host organism
D the animal or object that transmits the infectious disease to humans
Question #15
A social isolation never makes them go away
B they usually end with very minimal loss of human life
C ignorance almost always makes them worse
D they only affect poor, less affluent countries
Question #16
A convalescence
B incubation
C illness
D decline
E prodromal
F more than one of the above is correct
Question #17
A they can be detected before they outbreak into pandemics
B they often involve several animals before they transmit to humans
C when humans are the final spill over recipient, the virulence increases
D they always are transmitted from the same vector
Question #18
A source
B hot zone
C vector
D reservoir
Question #19
A convalescence, incubation, prodromal period, illness, decline
B incubation, convalescence, prodromal period, illness, decline
C prodromal period, convalescence, incubation, illness, decline
D incubation, prodromal period, illness, decline, convalescence
E illness, convalescence, incubation, prodromal period, decline
Question #20
A morbidity
B prevalence
C mortality
D incidence
Question #21
A vicarious immunity
B threshold immunity
C resistance effect
D herd immunity
Question #22
A states.
B individuals
C insects.
D animals.
E continents.
Question #23
A hydrogen bond.
B polar-covalent bond.
C ionic bond.
D non-polar covalent bond
Question #24
A transmitting infectious water droplets through laughing
B more than one of the above is correct
C transmitting infectious water droplets through sneezing
D transmitting infectious water droplets through sweating
E transmitting infectious water droplets through the rain
F none of the above is correct
Question #25
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 #26
A an infection that spreads from an animal to a human
B an infection that spreads between two humans
C an infection the spreads in a hospital
D an infection whose spread cannot be controlled
Question #27
A parenteral route.
B prodromal route
C respiratory membrane
D nosocomial route
E none of the above
Question #28
A all microorganisms in a certain geographic region
B all microorganisms of the same species
C all microorganisms the human body
D all of the microorganisms involved in symbiotic relationships
Question #29
A the virulence of the organism
B the number of microorganisms infecting the host, the virulence of the organism and the host’s defenses or degree of resistance
C the number of microorganisms infecting the host
D the host’s defenses or degree of resistance
E none of the above are correct
Question #30
A number of incidences
B more than one of the above is correct
C death rate
D infection rate
E number of prevalence
F none of the above is correct
Question #31
A nosocomial
B opportunistic
C common source
D partial
Question #32
A a virus that does nothing to humans
B a parasite that kills its host
C a parasite that infects dogs
D a microbe that causes disease in humans
Question #33
A Spallanzani did not cover his flasks after boiling the media
B Needham covered his flasks with gauze after boiling the media
C Spallanzani covered his flasks with gauze before boiling
D Needham did not cover his flasks after boiling the media
Question #34
A the digestive tract
B the eyes and skin
C the urinary tract
D the placenta
E the respiratory tract
Question #35
A location
B time
C size
D temperature
Question #36
A neither energy and matter can be created and destroyed in physical or chemical processes.
B matter is neither created nor destroyed in physical or chemical processes.
C energy is neither created nor destroyed in physical or chemical processes.
D energy and matter is neither created nor destroyed in physical or chemical processes.
Question #37
A the initial infection and appearance of clinical symptoms
B time of infection and recovery
C the time of infection and death
D appearance of clinical symptoms and death
Question #38
A demonstrate that a disease is caused by a specific microorganism.
B develop vaccines for specific diseases.
C isolate microorganisms from diseased animals.
D clearly identify and characterize a particular microorganism.
Question #39
A environmental conditions
B human behavior and genetic profile
C genetic profile, human behavior and environmental conditions
D genetic profile
Question #40
A its virulence is low
B it is not human pathogen
C it is highly virulent
D it is a sporadic infection
E none of the above are correct
Question #41
A cells
B air
C disease
D bacteria
Question #42
A pH has no effect on virulence.
B stomach acid decreases the virulence of Vibrio cholerae.
C stomach acid increases the virulence of Vibrio cholerae
D stomach acid is not an important factor in determining virulence.
Question #43
A Gram stains
B appearance
C mitochondrial
D fats
E DNA
Question #44
A a flask that was sealed and turned upside down
B a flask with a gauze covering
C a flask that was open for one week and sealed for another week
D a Swan necked flask
Question #45
A living cells can only arise from preexisting living cells
B oxygen is necessary for living organisms
C Microorganisms can be generated for nonliving matter
D nonliving matter gives rise to living organisms
Question #46
A 2, 8, 18, 8, 2
B 2, 8, 18, 2
C 2, 8, 18
D 2, 8, 18, 8, 5
Question #47
A 100 times more acidic
B 1000 times more acidic
C 30 times more acidic
D 10 times more acidic
E 3 times more acidic
Question #48
A human hands
B more than one of the above is correct
C needles
D towels
E door handles
Question #49
A 1.5
B 8
C 14
D 7
E 7.5
Question #50
A commensals.
B mutualistic.
C parasites.
D pathogens.