STD 12 - 7. human health and disease — BIOLOGY STD 12 Science — Question
Rajasthan BoardEnglish MediumSTD 12 ScienceBIOLOGYSTD 12 - 7. human health and disease1 Mark
MCQ
An autoimmune disease is
A
$AIDS$
B
$Haemophilia$
C
$Allergy$
✓
$Myasthenia gravis$
✓
Answer
Correct option: D.
$Myasthenia gravis$
d Myasthenia gravis is an autoimmune disease characterized by the chronic fatigability and weakness of muscles, espeically in the face and throat, as result of defect in the conduction of nerve impulses at the myoneural junction.
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