Medical Virology- Class test

Dr Salman khan

24.04.2020. Тест. Биология, 4 класс

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Basic Virology and systemic virology, Hepatitis A,B, C,D, E, HIV, Influenza and others

Система оценки: 10 балльная

Список вопросов теста

Вопрос 1

High concentration of hepatitis B virus present in

Варианты ответов

in blood
sperm
saliva
urine

Вопрос 2

which of The following statements are not true

Варианты ответов

Influenza A may undergo antigenic shift
Influenza B may undergo antigenic shift
Influenza A may undergo antigenic drift
Influenza B may undergo antigenic shift

Вопрос 3

which of the following is true about Hepatitis A infection

Варианты ответов

May result in chronic infection
May be prevented by immunoglobulin and vaccination
Is highly infectious during the jaundice phase
May result in cirrhosis

Вопрос 4

Which of the following are characteristics of the herpes virus family?

Варианты ответов

Can establish virus latency in the host
Can cause cancer
Can reactivate and cause disease in male only
Can cause no disease

Вопрос 5

Which of the following is not true about Hepatitis C virus

Варианты ответов

May be transmitted by blood
Is associated with hepatocellular carcinoma
May respond to interferon therapy
Has one stable genotype only

Вопрос 6

How are herpes infections controlled?

Варианты ответов

Chemotherapy
Vaccines
Hygiene and social distancing
No method

Вопрос 7

Identify the most commonly used diagnostic technique in the virus laboratory:

Варианты ответов

Virus isolation in cell culture
Deep sequencing (NGS)
Reverse transcriptase (RT) PCR
Immuno-serology

Вопрос 8

Which clinical sample is used to diagnose hepatitis B?

Варианты ответов

Liver biopsy
Blood
Faeces samples
Throat swab

Вопрос 9

How rapid is 'rapid viral diagnosis' by molecular methods?

Варианты ответов

Within a working day for most laboratories
25 minutes at the bedside
3 day laboratory turnarounds
1 hour laboratory turnarounds in special emergencies

Вопрос 10

There is no vaccine against HIV because of which of the following?

Варианты ответов

The virus is so antigenically variable
Such a vaccine would be too expensive
The virus can be controlled by a change in sexual habits
Latency can abrogate any vaccine effect