Immunology Ch. 14

_____ function in humoral immunity, while _____ function in cell-mediated immunity. A. B cells, T cells B. T cells, B cells C. Monocytes, Basophils D. Basophils, T cells E. B cells, neutrophils

A. B cells, T cells

The least numerous of all white blood cells that release histamine during inflammation and allergic reactions are A. Basophils B. Eosinophils C. Neutrophils D. Monocytes E. Lymphocytes

A. Basophils

The blood cells that function in allergic reactions and inflammation, contain peroxidase and lysozyme and particularly target parasitic worms and fungi are A. Basophils B. Eosinophils C. Neutrophils D. Monocytes E. Lymphocytes

B. Eosinophils

Keratin is an important aspect of non-specific defense because A. It is toxic to pathogens B. It creates a physical barrier against pathogens C. It destroys pathogens D. It physically restricts pathogens to a specific region E. None of the choices are correct

B. It creates a physical barrier against pathogens

Which of the following is incorrect about inflammation? A. Can last hours to years B. Pyrogens cause vasodilation and increased capillary permeability C. Serotonin causes smooth muscle contraction D. Fever could be beneficial to inhibiting the pathogen E. Basophils and mast cells release histamine

B. Pyrogens cause vasodilation and increased capillary permeability

Which gland shrinks in size during adulthood and has hormones that function in maturation of T-lymphocytes? A. Lymph nodes B. Thymus C. Spleen D. GALT E. Tonsils

B. Thymus

The term _____ is given to any foreign substance that stimulates a specific immune system response. A. Antibody B. Allergen C. Antigen D. Foreign body E. None of the choices are correct

C. Antigen

A person will typically experience the sensation of _____ when fever is starting to occur in the body. A. Heat B. Pain C. Chill D. Sweat E. All of the choices are correct

C. Chill

The granules of neutrophils contain A. Antibodies B. Antigens C. Digestive enzymes D. Histamine E. Peroxidase

C. Digestive enzymes

Zoonotic pathogens A. Infect only humans B. Infect only mammals C. Have a broad host range D. Have a narrow host range E. None of the choices are correct

C. Have a broad host range

Which of the following lymphoid organs or tissues has the immunological function of filtering pathogens from the blood? A. Lymph nodes B. Thymus C. Spleen D. GALT E. Tonsils

C. Spleen

The granules of basophils contain A. Antibodies B. Antigens C. Digestive enzymes D. Histamine E. Lysozyme

D. Histamine

Which white blood cells comprise 3-7% of circulating WBC's, are phagocytic and can migrate out into body tissues to differentiate into macrophages? A. Basophils B. Eosinophils C. Neutrophils D. Monocytes E. Lymphocytes

D. Monocytes

Plasma cells A. Function in cell-mediated immunity B. Are derived from T-lymphocytes C. Function in blood clotting D. Produce and secrete antibodies E. All of the choices are correct

D. Produce and secrete antibodies

The circulating substances that affect the hypothalamus and initiate fever are A. Complement B. Interferons C. Leukotrines D. Pyrogens E. Lysozymes

D. Pyrogens

Which of the following is a chemical used by phagocytes to destroy ingested foreign substances? A. Hydrogen peroxide B. Nitric oxide C. Lactic acid D. Superoxide anion E. All of the above are used

E. All of the above are used

A properly functioning immune system is responsible for A. Surveillance of the body B. Recognition of foreign material C. Destruction of foreign material D. Only B & C are correct E. All of the choices are correct

E. All of the choices are correct

Nonspecific chemical defenses include A. Lysozyme B. Lactic acid and electrolytes of sweat C. Skin's acidic pH and fatty acids D. Stomach hydrochloric acid E. All of the choices are correct

E. All of the choices are correct

Plasma A. Is the liquid portion of blood in which blood cells are suspended B. Is mostly water C. Contains albumin and globulins D. Contains fibrinogen E. All of the choices are correct

E. All of the choices are correct

The reticuloendothelial system A. Is a support network of connective tissue fibers B. Originates in the cellular basal lamina C. Provides a passageway within and between tissues and organs D. Is heavily populated with macrophages E. All of the choices are correct

E. All of the choices are correct

The four classic signs and symptoms of inflammation include all the following except A. Redness B. Warmth C. Swelling D. Pain E. Chills

E. Chills

All of the following pertain to interferon except A. It is a protein B. Produced by certain white blood cells and tissue cells C. Includes alpha, beta and gamma types D. Inhibit viruses, tumors and cancer gene expression E. Increase capillary permeability and vasodilation

E. Increase capillary permeability and vasodilation

Which of the following is not a type of phagocyte? A. Neutrophils B. Macrophages C. Kupffer cells D. Monocytes E. Lymphocytes

E. Lymphocytes

Which white blood cells comprise 20% to 30% of the circulating WBC's and are the cells that function in the body's immune system? A. Basophils B. Eosinophils C. Neutrophils D. Monocytes E. Lymphocytes

E. Lymphocytes

Components of the first line of defense include all the following except A. The tough cell sheet of the upper epidermis of the skin B. Nasal hairs C. Flushing action of tears and blinking D. Flushing action of urine E. Phagocytic white blood cells

E. Phagocytic white blood cells