BIOL 1043 Exam 6 Review Flashcard

Front

What is herd immunity?

Back

Herd immunity is the protection of individuals who cannot be vaccinated by ensuring a significant portion of the population is immune to a disease, thereby reducing its spread.

Front

What causes anaphylactic shock after a bee sting?

Back

Anaphylactic shock after a bee sting is caused by allergies, which are hypersensitive immune responses to allergens.

Front

What is a characteristic that is NOT found in mammals?

Back

Hollow bones are not a characteristic of mammals; they are found in birds.

Front

What is the primary goal of acute inflammation?

Back

The primary goal of acute inflammation is to recruit immune defenses to the injured tissue, deliver oxygen and nutrients, and limit the spread of infectious agents.

Front

Which animals lack tissues?

Back

Sponges are the only animals that lack tissues.

Front

Define anaphylaxis.

Back

Anaphylaxis is a severe, potentially life-threatening allergic reaction that occurs rapidly after exposure to an allergen.

Front

What role do antibodies play in the immune system?

Back

Antibodies are proteins produced by the immune system that specifically recognize and bind to antigens, helping to neutralize or eliminate pathogens.

Front

What is the function of the immune system?

Back

The immune system protects the body from infections and diseases by identifying and destroying pathogens.

Front

What are the main types of white blood cells?

Back

The main types of white blood cells include lymphocytes (B cells and T cells), neutrophils, monocytes, eosinophils, and basophils.

Front

What is the difference between active and passive immunity?

Back

Active immunity is acquired through exposure to pathogens or vaccination, while passive immunity is obtained through the transfer of antibodies from another source.