Air-Borne Diseases Practice Questions

Question 1

Which of the following infectious diseases has the highest proportion of asymptomatic chronic carriers?

Accepted Answer

Hepatitis B

Answer

Measles

Answer

Rabies

Answer

Diphtheria

Question 2

Koplik's spots occur in which phase of measles -

Accepted Answer

End of prodromal phase

Answer

Post exanthematous phase

Answer

Recrudescence phase

Answer

Exanthematous phase

Question 3

Which of the following statements is true regarding the epidemiology of influenza?

Accepted Answer

Asymptomatic cases can occur and may contribute to transmission.

Answer

Pandemics cannot occur with influenza viruses.

Answer

Incubation period is typically 7-10 days.

Answer

Humans are the only reservoir for influenza.

Question 4

Which TB drug causes optic neuritis as a side effect?

Accepted Answer

Ethambutol

Answer

Isoniazid

Answer

Pyrazinamide

Answer

Rifampicin

Question 5

All of the following statements regarding measles are true, except:

Accepted Answer

Koplik spot are seen on retina

Answer

I-P is 10-14 days

Answer

Long term complication may be seen in form of SSPE

Answer

Caused by RNA virus

Answer

Rash appears first on face

Question 6

Which of the following statements about the influenza virus is NOT true?

Accepted Answer

All types exhibit antigenic shift.

Answer

Drift is the accumulation of point mutations.

Answer

Only type A shows antigenic drift.

Answer

None of the above.

Question 7

True about measles

Accepted Answer

Long term complication follows in form of SSPE

Answer

Rash appear first on leg

Answer

Koplik spots are seen in retina

Answer

Caused by DNA virus

Question 8

A patient with TB on DOTS develops orange-red discoloration of urine and tears. Which drug is responsible?

Accepted Answer

Rifampicin

Answer

Ethambutol

Answer

Pyrazinamide

Answer

Isoniazid

Question 9

Which immunization is typically given at 6 months of age?

Accepted Answer

DPT vaccine

Answer

Measles vaccine

Answer

BCG vaccine

Answer

None of the options

Question 10

The detection of sore throat cases in children and their treatment with Benzathine Penicillin in Community Control Programme of Rheumatic Fever/Rheumatic Heart Disease (RF/RHD) constitutes

Accepted Answer

Primary prevention of RF/RHD

Answer

Primordial prevention of RF/RHD

Answer

Tertiary prevention of RF/RHD

Answer

Secondary prevention of RF/RHD

Air-Borne Diseases — MCQs

Air-Borne Diseases — MCQs

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