All About Allergies

What is the main function of the immune system in the human body?

• To help digest food.

• To keep the body healthy by fighting off invaders.

• To regulate body temperature.

• To produce hormones.

In people with allergies, how do lymphocytes mistakenly react to allergens?

• They ignore allergens completely.

• They treat allergens as if they are beneficial to the body.

• They treat allergens as if they are harmful antigens.

• They convert allergens into useful nutrients.

Which of the following is NOT listed as one of the eight foods that account for 90% of all food allergies?

• Peanuts

• Fish

• Chicken

• Wheat

What medication is commonly used to treat severe allergic reactions like anaphylactic shock?

• Antibiotics

• Pain relievers

• Epinephrine

• Vitamins

In studies from the early 1990s comparing East and West Germany, what was observed about allergy rates?

• Children in East Germany had higher allergy rates due to more air pollution.

• Children in West Germany had higher allergy rates despite less overall air pollution.

• Both regions had similar allergy rates, showing no link to pollution.

• Allergy rates decreased in both regions over time.

What is the main idea of the microbial deprivation hypothesis regarding allergies?

• People in developed countries are exposed to too many harmful microbes.

• Modern, clean environments prevent the immune system from developing properly.

• Eating processed foods makes the immune system weaker.

• Allergies are primarily caused by genetic factors.

Which of the following findings supports the idea that early exposure to certain environmental factors can reduce the risk of allergies?

• Children who went to daycare had higher instances of allergies.

• Farmers' children who had regular contact with animals and drank unpasteurized milk developed fewer allergies.

• Patients infected with parasitic worms needed more medication for their allergies.

• Air pollution was found to decrease the severity of allergic reactions.

How does immunotherapy, a traditional allergy treatment, work to reduce allergic reactions?

• It completely removes all allergens from the body.

• It changes the immune system's response from producing IgE antibodies to IgG antibodies.

• It causes the body to produce more histamine, which fights off allergens.

• It directly destroys the allergens in the bloodstream.