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【单选题】
Which one of the following is incorrect regarding the clinical history of novel coronavirus infection? ()
A.
Relative symptoms are severe in children cases
B.
Mild cases may be free of pneumonia
C.
Most patients have a good prognosis
D.
A few patients are in critical condition
E.
The elderly and those with chronic basic diseases have poor prognosis
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参考解析：
刷刷题刷刷变学霸
举一反三
【单选题】For the general treatment of COVID-19, which of the following is incorrect? ()
A.
Supportive treatment
B.
Symptomatic treatment
C.
Oxygen therapy
D.
Antibacterial treatment
E.
Antiviral therapy
【多选题】For the treatment principles of severe and critical cases of COVID-19, which of the following are correct? ( )
A.
Based on symptomatic treatment
B.
Active prevention of complications
C.
Treatment of underlying diseases
D.
Prevent secondary infection
E.
Timely organ support
【单选题】In epidemiology of infectious diseases, incubation period refers to ().
A.
Time interval from pathogens invading human body to the earliest onset of clinical symptoms
B.
Recessive infection stage
C.
From invasion of human body to disappearance of clinical symptoms
D.
The first clinical symptoms onset in human body until the clinical symptoms disappear
E.
Asymptomatic infection stage
【多选题】The sources of infection of COVID-19 are ().
A.
patients infected with novel coronavirus
B.
bat carrying novel coronavirus
C.
Asymptomatic infection
D.
Wildlife
E.
poultry
【多选题】The three types of airborne transmission refer to ().
A.
droplet transmission
B.
aerosol transmission
C.
dust
D.
particles
E.
spores
【单选题】The epidemic characteristics of airborne infectious diseases are ().
A.
high incidence in winter and spring
B.
periodical increase incidence of the disease in unimmunized population
C.
easy route of transmission, far and wide transmission
D.
influence by living conditions and population density
E.
all above
【单选题】The crowd susceptibility refers to ()
A.
Group resistance
B.
Population immunity
C.
Proportion of immunized population
D.
The immunity of the population as a whole to pathogens of infectious diseases
E.
The susceptibility of the population as a whole to pathogens of infectious diseases 多选题
【多选题】The prevention and control strategybased on the three links of the epidemic process of infectious diseases include ().
A.
Control sources of infection
B.
Interrupt the route of transmission
C.
Kill wild animals
D.
Protect the susceptible population
E.
Environmental disinfection 判断题
【多选题】If there is a suspected case of COVID-19 in an aircraft equipped with hepa filter, the close contacts are ( ).
A.
Passengers in the same row as the case seat in the cabin
B.
Passengers with seats in three rows, front and rear
C.
Cabin crew providing cabin services in the area where the case occurred
D.
Family members who traveled with the case and ate together
E.
Talk to other passengers who wear masks and add WeChat when waiting for the flight