Which of the following is an Auto Immune Disorder?

MP CHO - 2022

Medical & Surgical Nursing

Easy

Appeared in: MP CHO - 2022

Explanation

Type 1 Diabetes is a classic organ-specific autoimmune disease where the body's T-cells attack and destroy the insulin-producing beta cells in the pancreas.
Rheumatoid Arthritis is a systemic autoimmune disease characterized by the immune system attacking the synovial membranes of the joints, leading to chronic inflammation and damage.
Type 1 Diabetes and Rheumatoid Arthritis matches the defining clue or classification criterion in the stem.
Supporting mechanism: The option aligns with the governing rule, pattern, sequence, classification, or exam logic being tested.
Key differentiator: It fits the one fact that separates the correct response from the closest distractor.

Option A: Allergy and Asthma are not autoimmune diseases. They are Type I hypersensitivity reactions where the immune system overreacts to external substances (allergens), rather than attacking the body's own tissues.
Option B: This option pairs a hypersensitivity disorder (Asthma) with a degenerative one (Osteoarthritis). Osteoarthritis is caused by mechanical wear and tear on joints, not an autoimmune attack.
Option C: Type 2 Diabetes is a metabolic disorder resulting from insulin resistance and relative insulin deficiency. It is not caused by an autoimmune process. While 'Arthritis' is a general term, the most common form, Osteoarthritis, is degenerative.

Clinical Relevance

Nursing practice connection: This is primarily an exam-oriented knowledge point with limited direct bedside application, so retain Identification of autoimmune disorders as background academic context rather than a clinical decision trigger.
Differentiating between autoimmune, metabolic, and degenerative diseases is fundamental in nursing practice because the treatment strategies are completely different. Autoimmune diseases often require immunosuppressants, while metabolic and degenerative conditions require lifestyle management, different medications, and physical therapy.
Nurses play a key role in educating patients about their condition. A patient with Rheumatoid Arthritis needs to understand the autoimmune nature of their disease to adhere to complex medication regimens, whereas a patient with Osteoarthritis needs education on joint protection and pain management.
What if? If a patient with known Type 1 Diabetes develops joint pain, a nurse should not assume it is simple arthritis. They should be alert to the possibility of another co-existing autoimmune condition, like Rheumatoid Arthritis, as individuals with one autoimmune disease are at higher risk for developing others.

How to Approach the Question

First, carefully read the question to identify the core concept being tested, which is the definition of an 'Autoimmune Disorder'.
Recall the definition: An autoimmune disorder is a condition where the body's immune system mistakenly attacks its own healthy cells.
Systematically evaluate each option by examining both conditions listed in the pair.
For Option A, analyze 'Allergy and Asthma'. Recognize these as hypersensitivity or atopic conditions, not autoimmune. Eliminate this option.
For Option B, analyze 'Asthma and Osteoarthritis'. Asthma is a hypersensitivity disorder, and Osteoarthritis is a degenerative disease. Neither is autoimmune. Eliminate this option.
For Option C, analyze 'Type 2 Diabetes and Arthritis'. Type 2 Diabetes is a metabolic disorder. Eliminate this option.

Concept Tested & Keywords

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E6 Pathology- ROBBINS & COTRAN PATHOLOGIC BASIS OF DISEASE 10TH Ed p. 222-224

E6 Medicine Harrison 22e Part 2 p. 1741-1743