Quiz #10

Question 1

What is the key difference between innate immunity and adaptive immunity in animals?

Answer 1

Innate immunity is active immediately upon infection and includes barrier defenses, while adaptive immunity is activated after the innate response and develops more slowly

Question 2

True or False? Lymphocytes that escape from central lymphoid organ with self recognizing receptor can lead to autoimmune disease

Answer 2

True

Question 3

Where do B cells and T cells develop?

Answer 3

B cells in bone marrow, t in the thymus

Question 4

What is primary difference between CD4 and CD8 T cells?

Answer 4

CD4 T cells help coordinate the immune response by activating other immune cells, while CD8 T cells directly kill infected or abnormal cells

Question 5

What is the function of helper T cells in the immune system?

Answer 5

Helper T cells stay in lymphoid tissue and help B cells produce antibodies, activate cytotoxic T cells

Question 6

Which of the following is true about barrier defenses in the immune system?

Answer 6

Barrier defenses include the skin and mucous membranes of the respiratory, urinary and reproductive tracts