Which of the following is classified as a connective tissue disease?
Group of answer choices
- Systemic lupus erythematosus
- Granulomatosis with polyangiitis
- Psoriasis
- Osteoarthritis
The correct answer is: Systemic lupus erythematosus
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Explanation:
Connective tissue diseases are disorders that involve the proteins (such as collagen and elastin) that make up the body’s connective tissues, including joints, skin, blood vessels, and other organs.
- Systemic lupus erythematosus (SLE) is an autoimmune disease that affects connective tissues, leading to inflammation in multiple organs, including the skin, joints, kidneys, and more.
- Granulomatosis with polyangiitis (GPA) is a type of vasculitis (inflammation of blood vessels), not primarily a connective tissue disease.
- Psoriasis is an autoimmune condition primarily affecting the skin (a keratinocyte disorder, not connective tissue).
- Osteoarthritis is a degenerative joint disease, primarily affecting cartilage (a connective tissue), but it is not classified as a systemic connective tissue disease like SLE.
Thus, SLE is the best answer among the choices.
