OVERVIEW OF THE IMMUNE SYSTEM
IMMUNITY INNATE AND ADAPTIVE
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Pathogens which have penetrated the first line of defence would include:
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Bacteria in the gut of the host.
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Viruses adhered to the mucous lining of a bronchiole.
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Bacteria within the host’s bladder.
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Viruses within a lymph node
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Explanation:
Detailed explanation-1: -The innate immune system is the body’s first line of defense against germs entering the body. It responds in the same way to all germs and foreign substances, which is why it is sometimes referred to as the “nonspecific” immune system.
Detailed explanation-2: -It matures a specific type of white blood cell that fights off foreign organisms. Tonsils and adenoid: These lymphoid organs trap pathogens from the food you eat and the air you breathe. They are your body’s first line of defense against foreign invaders.
Detailed explanation-3: -The innate immune system provides the first line of defense, which is divided broadly into two categories – physical/chemical barriers and nonspecific resistance.
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