2692932
Descrição
Quiz por ella.hickcox88, atualizado more than 1 year ago
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Criado por ella.hickcox88
aproximadamente 9 anos atrás
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Questão 1
Questão
Which of the following have reduced the number of deaths from infectious diseases in the developed world?
Responda
-
water chlorination
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vaccination
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antibiotics
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public health agencies
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all of the above
Questão 2
Questão
How do infectious diseases differ from non-infectious diseases?
Responda
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infectious diseases occur only in the underdeveloped parts of the world
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infectious diseases are deadlier than non-infectious diseases
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infectious diseases only occur in certain parts of the world
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infectious diseases involve bacteria, viruses, and parasites
-
all of the above
Questão 3
Questão
The leading causes of death from infectious diseases in the underdeveloped parts of the world include
Responda
-
hearth disease
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diarrheal diseases
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cancer
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polio
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all of the above
Questão 4
Questão
Bacterial infections are necessary for normal human development and health
Responda
-
true
-
false
Questão 5
Questão
Bacteria cause disease by
Responda
-
producing toxins
-
digesting host cells
-
producing viruses
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releasing their nuclei
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all of the above
Questão 6
Questão
Which of the following is/are necessary for normal human cell functions
Responda
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oxygen
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nutrition
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elimination of waste products
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water
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all of the above
Questão 7
Questão
Bacterial endotoxins
Responda
-
are all different
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are secreted by living gram-positive bacteria
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are parts of the cell walls of gram-negative bacteria
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rarely cause disease
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all of the above are true of exotoxins
Questão 8
Questão
Bacteria are the most abundant living organisms
Responda
-
true
-
false
Questão 9
Questão
Salmonella bacteria commonly
Responda
-
are commonly transmitted in water or food contaminated with feces
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cause disease by digesting host cells
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infect only human beings
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rarely cause disease
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none of the above are true of salmonella
Questão 10
Questão
Bioterrorism, compared to other forms of terrorism, poses a particular threat because
Responda
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agents of bioterrorism are hard to come by
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agents of bioterrorism are hard to comeby
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agents of bioterrorism can be transported anywhere in the world
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they are easily produced for little cost
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all of the above reasons
Questão 11
Questão
Which of the following are true of microorganisms with a potential for bioterrorism
Responda
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they kill quickly and horribly
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they are not easily dispersed
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they are highly controlled
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they are infectious but not contagious
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all of the above are true of potential bioterrorist agents
Questão 12
Questão
Which of the following makes anthrax ideal for bioterrorism
Responda
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it is a bacterium
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it forms long-lived easily dispersed spores
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it is common in cattle
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it comes in three forms cutaneous, G.I. and inhalation
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all of the above
Questão 13
Questão
Plague is most commonly transmitted by fleas
Responda
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from human to human
-
from birds to humans
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from pigs to humans
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from rodent to humans
-
from soil to humans
Questão 14
Questão
Viral diseases are especially difficult to treat becasue
Responda
-
viral toxins are much like human serum proteins
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viruses grow inside of host cells and use host cell organelles for DNA replication and protein sythesis
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viruses are so much like human cells that most antiviral agents also destroy human cells
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viruses can readily pass through human skin
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all of the above
Questão 15
Questão
Viruses may cause disease by
Responda
-
rupturing host cell membranes
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altering host cell functions
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depleting host cell nutrients
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all of the above
-
none of the above
Questão 16
Questão
The clinical manifestations of viral disease result from
Responda
-
the nature of the virus
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the cells infected by the virus
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the immune status of the host
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the host inflammatory response
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all of the above may affect the symptoms of viral diseases
Questão 17
Questão
Viruses may be transmitted by
Responda
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inhalation
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injection
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sexual intercourse
-
insects
-
all of the above
Questão 18
Questão
Infuenza virus has been referred to as a potential slate wiper because
Responda
-
influenza viruses are more numerous than other viruses
-
influenza pandemics are worse than all other pandemics
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historical evidence suggests that an influenza pandemic could kill a large portion of the human population
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influenza pandemics occur rarely
-
influenza is not very contagious
Questão 19
Questão
Some influenza viruses can infect humans, pigs, and birds equally
Responda
-
true
-
false
Questão 20
Questão
Influenza viruses cause disease by
Responda
-
production of toxins in the lungs
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infection of respiratory epithelial cells and inflammation
-
attachment to and digestion of respiratory epithelial cells
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all of the above
-
none of the above
Questão 21
Questão
Prions cause disease by
Responda
-
destruction of host cell DNA
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conversion of host cell molecules into pathogenic forms of the same molecule
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use of host cell organelles for prion replication
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conversion of host neuron into infectious agents
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conversion of host cell membranes into a form more susceptible to infection
Questão 22
Questão
Prion diseases all share which of the following
Responda
-
they all inflammation
-
they all cause a damage animals' brains
-
they all involve viruses
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they all involve bacteria
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all come from sheep
Questão 23
Questão
Prions cause disease by
Responda
-
altering the shape of host proteins
-
replication in host cells
-
production of endotoxins
-
enzymatic digestion of host cells
-
all of the above
Questão 24
Questão
Funguses cause disease by
Responda
-
alteration of host proteins
-
replication in host cells
-
production of endotoxins
-
enzymatic digestion of host cells
-
all of the above
Questão 25
Questão
Ergot alkaloids are examples of mycotoxins, toxins produced by fungi. These toxins cause disease
Responda
-
by inappropriate activation of T cells
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when contaminated foods are consumed
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when fungal products interact with bacterial products in the host
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when fungi die inside a living host
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by infection and destruction of host cells
Questão 26
Questão
The most serious fungal infections are
Responda
-
superficial fungal infections
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cutaneous fungal infections
-
systemic fungal infections
-
opportunistic fungal infections
-
ringworms
Questão 27
Questão
Parasitic worms may cause disease by
Responda
-
infecting host cells
-
destroying host cells
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produce of toxins
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blockage of fluid flow
-
any of the above
Questão 28
Questão
All of the following are true of malaria, except
Responda
-
it is transmitted by mosquito bites
-
it is caused by a protozoan parasite
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it is caused by a virus
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the parasite infects 1/3 or more of the world's population
-
people in equatorial regions of the world are most affected by malaria
Questão 29
Questão
Which of the following characteristics of the innate inflammatory response distinguishes it from the adaptive immune response
Responda
-
the inflammatory response is mediated by lymphocytes
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the inflammatory response is non-specific
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the inflammatory response is dependent on neurons
-
the inflammatory response is mediated by erythrocytes
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the inflammatory response is only effective against viruses
Questão 30
Questão
Inflammatory processes are initiated by which mast cell product
Responda
-
interferon
-
tumor necrosis factor (TNF)
-
interleukin 2
-
glutamine
-
histamine
Questão 31
Questão
The major events in inflammation include which of the following
Responda
-
vasodilation
-
increased vascular permeability
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release of histamine by mast cells
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movement of neutrophils from the blood into the inflamed sites
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all of the above
Questão 32
Questão
Antibodies are most effective against intracellular bacteria
Responda
-
True
-
False
Questão 33
Questão
All of the cells involved in defense against infections come from
Responda
-
the thymus
-
the lymph nodes
-
the spleen
-
the lymphatics
-
the bone marrow
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