To determine which of the given options are autoimmune disorders, let's explore each condition:
Based on this information, the autoimmune disorders among the options are:
Thus, the correct answer is: A, B & E only.
Myasthenia gravis, Rheumatoid arthritis, and Systemic Lupus Erythematosus (SLE) are all autoimmune disorders, where the immune system attacks the body’s own tissues.
Gout is not an autoimmune disorder; it is caused by the accumulation of uric acid crystals.
Muscular dystrophy is a genetic disorder, not autoimmune.
Thus, the correct answer is (2) A, B, E only.
| Pair of skeletal parts | Category | |
|---|---|---|
| (a)$\,\,$ | Sternum and ribs$\,\,$ | Axial skeleton |
| (b)$\,\,$ | Clavicle and glenoid cavity$\,\,$ | Pelvic girdle |
| (c)$\,\,$ | Flumerus and ulna$\,\,$ | Appendicular skeleton |
| (d)$\,\,$ | Malleus and stapes$\,\,$ | Ear ossicles |