Multiple Choice
Which type of cell is primarily responsible for preventing the loss of blood by causing clotting?
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41. Immune System
Immune System
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Which of the following best describes the condition that occurs when the immune system attacks the body's own tissues?
A
Immunodeficiency
B
Transplant rejection
C
Autoimmune disease
D
Allergic reaction
Verified step by step guidance1
Understand the key terms provided in the question: Immunodeficiency, Transplant rejection, Autoimmune disease, and Allergic reaction. Each term represents a distinct condition related to the immune system.
Define 'Autoimmune disease': This occurs when the immune system mistakenly identifies the body's own tissues as foreign and attacks them. Examples include rheumatoid arthritis and lupus.
Define 'Immunodeficiency': This refers to a weakened or absent immune response, making the body more susceptible to infections. Examples include HIV/AIDS.
Define 'Transplant rejection': This occurs when the immune system attacks a transplanted organ or tissue, recognizing it as foreign.
Define 'Allergic reaction': This is an overreaction of the immune system to harmless substances, such as pollen or certain foods, leading to symptoms like swelling or itching. Compare these definitions to identify that the correct answer is 'Autoimmune disease'.
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