What is correct about the role of memory cells in long-term immunity?
1. They divide to form plasma cells and memory cells when the pathogen enters the body a second time.
2. They produce a fast response so that the person infected with the pathogen does not become ill again.
3. They produce more antibodies than were produced during the primary immune response.
4. They remain in the blood and lymphatic system after the pathogen has been destroyed.
1 )
1, 2 and 3
1, 2 and 4
3 )
1 and 3 only
4 )
2 and 4 only
تحلیل ویدئویی تست
منتظریم اولین نفر تحلیلش کنه!
پرسش و پاسخ های مشابه
سوال کنید یا به سوالات دیگران پاسخ دهید ...