Influenza disease is caused by which of the following?

In human beings influenza is caused by

A

Bacteria

B

Viruses

C

Fungi

D

Algae

Which of the following statements reflects the pathogenesis of influenza

A

The virus enters the host in airborne droplets

B

Pneumonia is associated with secondary bacterial infections

C

Viraemia is common

D

The virus establishes persistent infection in the lung

E

Viral infection does not destroy cells in the respiratory tract

According to the passage, all of the following is TRUE about "1918 Influenza" EXCEPT.

A

it was beyond censorship

B

it decreased life expectancy

C

it was overlooked in American history lessons

D

it infected one third of world's population

Antigenic variation of influenza viruses depend on following surface glycolproteins

A

Neuraminidase

B

Hemagglutinin

C

Matrix protein

D

RNA transcriptase

E

Nucleocapsid protein

Complete the analogous pair: INFLUENZA : VIRUS:: TYPHOID:?

A

bacillus

B

parasite

C

protozoa

D

bacteria

INFLUENZA : VIRUS :: TYPHOID?

A

Bacillus

B

parasite

C

Protozoa

D

Bacteria

The 1918 influenza was called the Spanish Flu" because-

A

it originated in Spain

B

Spain was a neutral country in World War I

C

King Alfonso XIII of Spain was ill

D

of the false impression of Spain as hard hit

Influenza A virus

A

Can cause pandemics

B

Responds to rimantadine

C

Responds to neuraminidase inhibitors

D

Can undergo antigenic shift and antigenic drift

E

Vaccination confers lifelong protection

There are blank spaces in the following passage which have been numbered . These numbers are printed below the passage and against each some words are suggested . Find out the word that best fit the blank spaces. Global Strategies to control infective disease have historically included the erection of barriers to international travel and ___ (24) _______. Keeping people with such deadly disease outside national borders has ___ (25) _______ as an important public health policy in the human immunodeficiency virus (HIV) epidemic . Betwwn 29 and 50 countries ___ (26) _____ to have introduced border restrictions on HIV _ positive foreigners ,usually those planning an ___ (27) ___ stay in the country , such as students , workers or seamen.

A

migration

B

immigrate

C

emigration

D

immigration

Compared to obstructive lung disease restrictive lung disease has lower

A

Functional residual capacity

B

Total lung capacity

C

Compliance of the lungs

D

FEV1/FVC %

E

Peak expiratory flow rate (PEF

Influenza disease is caused by which of the following?

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