Myocarditis

Myocarditis

Q. 1 Most common parasite causing myocarditis is-

 A Trichinella

 B

Trypanosome

 C

Ascaris

 D

Plasmodium

Q. 1

Most common parasite causing myocarditis is-

 A

Trichinella

 B

Trypanosome

 C

Ascaris

 D

Plasmodium

Ans. A

Explanation:

Ans. is ‘a’ i.e., Trichinella

  • Most common parasite causing myocarditis is Trichinella spiralis.

Q. 2 Myocarditis can be cuased by

 A

Whooping cough

 B

Pertussis

 C

Diphtheria

 D

b and c

Ans. D

Explanation:

Ans. is ‘b’ i.e., Measles & ‘c’ i.e., Diphtheria

Major causes of myocarditis

Infections

  • o Viruses         –> Coxsackievirus, ECHO, HIV, CMV, influenza, measles

o Chlamydiae (C. psittaci)

o Rickettsiae (R. typhi)

  • o Bacteria       —> Diphtheria, meningococcus, Borrelia (Lyme disease)

o Fungi           –> Candida

  • o Protozoa – Trypanosoma (chagas dis), Toxoplasma

o Helminth –> Trichinosis

Immune – mediated                         Others

Post viral                                            Sarcoidosis

Post streptococcal (Rheumatic        Giant cell myocarditis fever)

SLE

Transplant rejection

Drug hypersensitivity

(methyldopa)


Q. 3 All are the causes of myocarditis except

 A Trichinosis

 B

Mycobacterium tuberculosis

 C

Corenybacterium diphtheria

 D

Systemic lupus erythromatosis

Ans. B

Explanation:

Ans. is ‘b’ i.e., Mycobacterium tuberculosis


Q. 4

Myocarditis can be caused by –

 A

Schistosomia

 B

Ankylostoma duodenale

 C

Trichuris trichura

 D

Trichinella spiralis

Ans. D

Explanation:

Ans. is ‘d’ i.e., Trichinella spiralis


Q. 5

Infantile myocarditis and pericarditis is due to

 A

Coxsackie A

 B

Coxsackie B

 C

Mumps

 D

Pox virus

Ans. B

Explanation:

Ans. is ‘b’ i.e., Coxsackie B

o The commonest cause of myocarditis is coxsackie B infection, which occurs any where from the age of a few hours to 7 weeks, with a peak around two weeks.


Q. 6

Which worm causes myocarditis ‑

 A

Trichuris

 B

Trichinella

 C

Enterobius

 D

Strogyloides

Ans. B

Explanation:

Ans. is ‘b’ i.e., Trichinella

  • Trichinosis is the most common helminthic disease causing myocarditis.


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