The statements refer to polio and tuberculosis (TB).
1) Macrophages present antigens in vaccines to stimulate an immune response.
2) The TB antigens necessary to produce an immune response are proteins which would be digested in the stomach and small intestine.
3) There are no B-lymphocytes and T-lymphocytes in the stomach.
Which explains why polio vaccine can be taken by mouth but TB vaccine has to be injected?
1 )
1, 2 and 3
2 )
1 and 2 only
3 )
1 and 3 only
2 only
تحلیل ویدئویی تست
تحلیل ویدئویی برای این تست ثبت نشده است!
پرسش و پاسخ های مشابه
سوال کنید یا به سوالات دیگران پاسخ دهید ...