Biology Support & Movement UHS 2024
PMDC Verified Question 21 of 75
Which of the following skeletal disorder is an example of autoimmune disorder?
A
Sciatica
B
Spondylosis
C
Rheumatoid arthritis
D
Rickets
Tap any option to test your recall and reveal the step-by-step Propolis autopsy.

Propolis Cognitive Error Autopsy

Official Correct Choice:
Option C: Rheumatoid arthritis
Concept:

Etiology of skeletal pathologies.

Formula:

N/A (Conceptual)

Solution:

  • An autoimmune disorder occurs when the body's own white blood cells tragically misidentify healthy host tissue as a foreign invader and attack it.


  • Rheumatoid arthritis is a classic systemic autoimmune disease where the immune system violently attacks the synovial membranes of joints, leading to massive inflammation, pain, and eventual joint destruction.


Why other options are incorrect:

Sciatica is mechanical nerve compression. Spondylosis is age-related wear-and-tear degeneration of the spine. Rickets is a severe nutritional deficiency (Vitamin D/Calcium) in children.

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