Deck 2: The Human Immune System

Question 1

Which of the following are not considered to be part of innate immunity?

A) Neutrophils
B) Monocytes
C) T lymphocytes
D) Natural killer cells
E) Complement proteins

Answer 1

C

Question 2

Which of the following are the most numerous leukocytes in blood?

A) Natural killer cells
B) Neutrophils
C) Monocytes
D) Lymphocytes
E) Basophil

Answer 2

B

Question 3

Macrophages and dendritic cells present antigens to which of the following...

A) Neutrophils
B) Natural Killer cells
C) T lymphocytes
D) B lymphocytes
E) Plasma cells

Answer 3

C

Question 4

Toll-like receptors are involved in...

A) Recognition of pathogens
B) Activation of phagocytosis
C) Antigen presentation
D) Antibody formation
E) Interactions between antigen-presenting cells and other leukocytes

Question 5

The main effector cells of cell-mediated immunity are...

A) Neutrophils
B) Monocytes
C) T-helper lymphocytes
D) T-cytotoxic lymphocytes
E) Natural killer cells

Question 6

Which of the following is not a subclass of the immunoglobulins?

A) IgA
B) IgB
C) IgE
D) IgG
E) IgM

Question 7

Which of the following cells exhibit immunological memory?

A) Neutrophils and monocytes
B) Macrophages and dendritic cells
C) T and B lymphocytes
D) Basophils and eosinophils
E) Thymus and bone marrow cells

Question 8

Th2 cytokines are involved in the activation of...

A) Phagocytosis
B) Antigen presentation
C) Innate immunity
D) Cell-mediated immunity
E) Humoral immunity

Question 9

The major inhibitory cytokine secreted by Treg cells is...

A) IL-1β
B) IL-2
C) IL-6
D) IL-10
E) IL-12