Infectious diseases MCQs-1

Fifth disease is

A. Erythema infectiosum

B. Exanthem subitum

C. Erythema marginatum

D. Erythema migrans

Erythema migrans is a rash that frequently appears as one of the first symptoms of

A. Human herpesvirus 6

B. Human parvovirus B19

C. Lyme disease

D. Rheumatoid arthritis

Exanthem subitum is caused by

A. Human herpesvirus 6

B. Varicella

C. Human papillomavirus

D. Coxsackievirus

Erythema marginatum is seen in

A. Mitral stenosis


C. Lyme disease

D. Acute rheumatic fever

All are TRUE for erythema infectiosum EXCEPT

A. Caused by human parvovirus B19

B. Primarily affects children 3–12 years old

C. Rash develops before fever

D. “Slapped cheeks” appearance

Malar rash most commonly seen in

A. Rheumatoid arthritis

B. Mitral stenosis


D. Lymes disease

DiseaseName of DiseaseCausative agent
1First DiseaseMeaslesMeasles virus
2Second DiseaseScarlet fever Streptococcus pyogenes a Group A streptococcus
3Third DiseaseRubella Known as German measles or three-day measles.
Caused by the rubella virus
4Fourth, but is no longer widely accepted as distinct from scarlet feverDukes’ disease no longer widely accepted as distinct from scarlet fever
5Fifth DiseaseErythema infectiosum or slapped cheek syndromeInfection by parvovirus B19.
6Sixth DiseaseRoseola Caused by human herpesvirus 6 (HHV-6A, HHV-6B) or human herpesvirus 7
standard list of rash-causing childhood diseases

Malar rash

Mainly seen in patients with systemic lupus erythematosus.

As per the American College of Rheumatology, Malar rash is one of the criteria for systemic lupus erythematosus (SLE);

It may also be present with other types of lupus including discoid lupus and subacute cutaneous lupus.

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