Lymphatic/Immune

Question 1

What are the main types of immune cells?

Answer 1

T-cells: Attack infected cells.

B-cells: Make antibodies.

Macrophages: Eat pathogens.

Dendritic cells: Present antigens to T-cells.

Question 2

What are the two types of immunity?

Answer 2

Innate: General defense (e.g., skin, inflammation).

Acquired: Specific, develops after exposure (e.g., antibodies, vaccines).

Question 3

What are the main types of anemia?

Answer 3

Iron-deficiency: Low iron.

Pernicious: Low vitamin B12.

Hemolytic: RBC destruction.

Aplastic: Bone marrow failure.

Question 4

What’s the difference between antibodies and antigens?

Answer 4

Proteins that fight infections.

Foreign invaders that trigger immune response