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Select the incorrect statement with respect to acquired immunity.
- a)Anamnestic response is elicited on subsequent encounters with the same pathogen.
- b)Anamnestic response is due to memory of first encounter.
- c)Acquired immunity is non-specific type of defense present at the time of birth.
- d)Primary response is produced when our body encounters a pathogen for the first time.
Correct answer is option 'C'. Can you explain this answer?
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Most Upvoted Answer
Select the incorrect statement with respect to acquired immunity.a)Ana...
Acquired immunity is a specific type of immune response that develops over time as a result of exposure to pathogens or vaccines. It is not present at the time of birth and is acquired throughout life. Acquired immunity involves the recognition of specific antigens and the development of immune responses targeted against those specific antigens.
Option (a) is correct. Anamnestic response, also known as a secondary immune response, is elicited upon subsequent encounters with the same pathogen. It is a more rapid and robust response compared to the primary response.
Option (b) is correct. The anamnestic response is due to the memory of the first encounter with a particular pathogen. During the initial exposure, the immune system "remembers" the pathogen and creates memory cells, which allow for a faster and stronger response upon subsequent encounters.
Option (d) is correct. The primary response is produced when our body encounters a pathogen for the first time. It involves the initial recognition of the pathogen, activation of the immune response, and the production of specific antibodies or immune cells to target and eliminate the pathogen.
Therefore, the incorrect statement is option (c), which mistakenly suggests that acquired immunity is a non-specific defense present at birth.
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Select the incorrect statement with respect to acquired immunity.a)Ana...
Understanding Acquired Immunity
Acquired immunity, also known as adaptive immunity, is a specific type of immune response that develops over time as the body encounters various pathogens. Let's analyze the incorrect statement regarding acquired immunity.
Statement C Explained
- Non-specific Defense: The statement claims that "Acquired immunity is a non-specific type of defense present at the time of birth." This is incorrect because:
- Specificity: Acquired immunity is characterized by its specificity; it targets specific pathogens based on prior exposure.
- Development: Unlike innate immunity, which is non-specific and present at birth, acquired immunity develops after exposure to antigens through infection or vaccination.
Key Elements of Acquired Immunity
- Anamnestic Response:
- This is the rapid and robust immune response that occurs upon re-exposure to a pathogen.
- It is a hallmark of acquired immunity, showcasing the body's ability to "remember" previous encounters.
- Memory Cells:
- Memory B and T cells are formed during the first encounter with a pathogen, which enables the anamnestic response during subsequent encounters.
- Primary Response:
- This refers to the initial immune response when the body first encounters a pathogen, which is generally slower and less effective compared to the secondary response.
Conclusion
In summary, the incorrect statement is option C, as acquired immunity is a specific defense mechanism that develops over time and is not present at birth. Understanding these distinctions is crucial for grasping the complexities of the immune system, especially for NEET aspirants.
Acquired immunity, also known as adaptive immunity, is a specific type of immune response that develops over time as the body encounters various pathogens. Let's analyze the incorrect statement regarding acquired immunity.
Statement C Explained
- Non-specific Defense: The statement claims that "Acquired immunity is a non-specific type of defense present at the time of birth." This is incorrect because:
- Specificity: Acquired immunity is characterized by its specificity; it targets specific pathogens based on prior exposure.
- Development: Unlike innate immunity, which is non-specific and present at birth, acquired immunity develops after exposure to antigens through infection or vaccination.
Key Elements of Acquired Immunity
- Anamnestic Response:
- This is the rapid and robust immune response that occurs upon re-exposure to a pathogen.
- It is a hallmark of acquired immunity, showcasing the body's ability to "remember" previous encounters.
- Memory Cells:
- Memory B and T cells are formed during the first encounter with a pathogen, which enables the anamnestic response during subsequent encounters.
- Primary Response:
- This refers to the initial immune response when the body first encounters a pathogen, which is generally slower and less effective compared to the secondary response.
Conclusion
In summary, the incorrect statement is option C, as acquired immunity is a specific defense mechanism that develops over time and is not present at birth. Understanding these distinctions is crucial for grasping the complexities of the immune system, especially for NEET aspirants.
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Select the incorrect statement with respect to acquired immunity.a)Anamnestic response is elicited on subsequent encounters with the same pathogen.b)Anamnestic response is due to memory of first encounter.c)Acquired immunity is non-specific type of defense present at the time of birth.d)Primary response is produced when our body encounters a pathogen for the first time.Correct answer is option 'C'. Can you explain this answer?
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