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Tut 1 Microbiology , poliomyelitis and prion

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MCQ

1-Which of the following characteristic to polio virus

a-Double strand
b-Enveloped
c-No capsid
d-Can be cultured

2-Poliomyelitis is

Chronic infection
Caused by prions
Affect motor neurons
Causes spastic paralysis

3-Polio is mainly transmitted by droplet infection

True
False

4-When the infection stops in the oropharynx or the intestine we call it

Abortive infection
Apparent infection
Inapparent infection
Non of the above

5-Death may develop in polio infection because of

Paralysis of upper and lower limps
Respiratory muscles paralysis
Heart attack
All of the above

6-Vaccine can be isolated from

Throat
Blood
CSF
All of the above

7-Salk vaccine is characterized all of the following except

Provide local and humoral immunity
Killed vaccine
Given SC
Given to pregnant women

8-Sabin vaccine is easier to be given to large number of people in short time

True
False

9-Prions disease is characterized by all of the following except

Long incubation period
Gradual onset
The virus can be seen in the brain of the patients
There is no anti microbial therapy

10- Prions can be inactivated by all of the following except

NAoH
Protease
Hydro chlorinate
Autoclave

11- Prions disease can be hereditary

True
False

12- prions disease can be detected serologically

True
False

13- Bovine Spongiform Encephalopathy (BSE) can cause death to the cow after 1 week of the infection

True
False

MCQ answers



1- D

2- C

3- B

4- C

5- B

6- D

7- A

8- A

9- C

10- B

11- A

12- B

13- B

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