What is the term for the process by which the body automatically reacts to tissue injured by trauma or bacteria?
Vasodilation
Inflammatory response
Innate immunity
Adaptive or acquired immunity
The Correct Answer is B
A. Vasodilation is a component of the inflammatory response, but it is not the term that encompasses the entire process.
B. Inflammatory response is the body's automatic reaction to tissue injury, involving a series of events such as vasodilation, increased permeability, and the recruitment of immune cells to the site of injury.
C. Innate immunity is the first line of defense against pathogens, but the inflammatory response is more specific to the reaction to injury or infection.
D. Adaptive or acquired immunity is a more specific immune response that develops after exposure to a specific antigen, not the immediate response to injury.
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Related Questions
Correct Answer is ["C","E"]
Explanation
A. Cerebral Aneurysm is not a neurodegenerative disorder; it is a localized dilation of a blood vessel in the brain that can lead to haemorrhage.
B. Diabetic retinopathy is a complication of diabetes affecting the eyes, not a neurodegenerative disorder.
C. Multiple sclerosis (MS) is a major neurodegenerative disorder where the immune system attacks the protective sheath (myelin) that covers nerve fibres, leading to communication problems between the brain and the rest of the body.
D. Bell's Palsy is a condition that causes sudden, temporary weakness or paralysis of the facial muscles, but it is not a neurodegenerative disorder.
E. Amyotrophic lateral sclerosis (ALS), also known as Lou Gehrig's disease, is a neurodegenerative disorder that affects motor neurons, leading to muscle weakness and atrophy.
F. Cerumen impaction is the build-up of earwax and is not related to neurodegenerative processes.
Correct Answer is A
Explanation
A. Nonpainful, enlarged lymph nodes: Hodgkin lymphoma typically presents with painless enlargement of lymph nodes, often in the neck, underarms, or groin.
B. Thrombocytopenia (low platelet count) is more common in advanced cases of bone marrow involvement, but it is not a typical initial manifestation of Hodgkin lymphoma.
C. Unexplained fluid retention is not a typical feature of Hodgkin lymphoma; it is more associated with heart failure or kidney disease.
D. Pancytopenia (reduction in red cells, white cells, and platelets) can occur in severe cases, but it is not a hallmark of Hodgkin lymphoma's initial presentation.
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