IMMUNOLOGY

MISCELLENOUS

VACCINATION

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Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]

Larry is taking a walk in the park. The pollen in the air makes him sneeze constantly. What line of defense is his immune system exhibiting?

A	first line of defense
B	second line of defense
C	third line of defense
D	fourth line of defense

Explanation:

Detailed explanation-1: -The immune system of the body considers it as germs and starts releasing histamines against it. This alerts the brain and the person sneezes more the more it encounters the pollen grains. This reaction of the body is first line of defense.

Detailed explanation-2: -Sneezing is caused by irritation to the mucous membranes of the nose or throat. It can be very bothersome, but is rarely a sign of a serious problem. Sneezing can be due to: Allergy to pollen (hay fever), mold, dander, dust.

Detailed explanation-3: -The sneeze centre sends signals to the parts of your body that need to work together to help you sneeze. Your chest muscles, diaphragm, abdominals, vocal cords and the muscles in the back of your throat all work together to help you expel the irritant.

There is 1 question to complete.