Question

Choose the correct match:

• A. First line defence - Fever
• B. Second line defence - CMI
• C. Third line defence - AMI
• D. Fourth line defence - pH of vagina

Answer 1

Answer: (A), (C)

The correct options are
A First line defence - Fever
C Third line defence - AMI

The first line of defence	It includes the physical and chemical barriers, that defend the body from infection. e.g. tears, mucus, cilia, stomach acid, fever.
The second line of defence	It is a group of cells, tissues and organs that work together to defend the body from infections. It mainly occurs through macrophages, neutrophils, interferons.
Third line of defence	It occurs through the specific immune system. e.g. B- cells (antibodies) and T- cells
Fourth line of defence	There are only three line defence in the human body

So, the correct answer is 'Option 'First line defence - Fever' and 'Third line defence - AMI'.'