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Allergies, or hypersensitivities, are normal immune responses.

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Contrast the primary humoral response with the secondary humoral response.

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The primary humoral response occurs duri...

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  Using Figure 12.1, identify the following: -A lymph capillary is indicated by ________. A)  Label A B)  Label B C)  Label C D)  Label D E)  Label E Using Figure 12.1, identify the following: -A lymph capillary is indicated by ________.


A) Label A
B) Label B
C) Label C
D) Label D
E) Label E

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Which of the following substances is NOT likely to trigger the immune response?


A) pollen grains
B) bacteria
C) self-antigens
D) fungi
E) virus particles

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Fluids that have escaped the cardiovascular system are picked up by the ________.


A) respiratory system
B) lymphatic system
C) endocrine system
D) immune system

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Antibodies provided by serum from an immune donor or an animal donor do not challenge the B cells and thus provide ________.


A) cellular or cell-mediated immunity
B) active immunity
C) natural immunity
D) passive immunity

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Match the following biological function with its antibody class: -Cells that engulf and present parts of antigens on the membrane for recognition by T cells bearing receptors for the same antigen


A) Helper T cell
B) Antigen-presenting cell (APC)
C) Cytotoxic T cell
D) Regulatory T cell
E) Memory cell
F) Plasma cell
G) B cell

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Mona had some axillary lymph nodes and lymphatic vessels removed from her left arm during a recent surgery. Determine why she experiences edema (swelling) in that arm.

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The function of lymphatic vessels is to ...

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Anaphylactic shock, an acute systemic allergic response, causes vasodilation and difficulty breathing.

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List and describe the cells and chemicals the body uses as its second line of defense.

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1. Phagocytes, such as neutrophils or ma...

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Explain the origin and pathway of lymph.

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Lymph fluid arises from blood plasma tha...

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Which one of the following is NOT a mechanism that aids lymph return to the heart?


A) milking action of skeletal muscles
B) pressure changes within the thorax
C) the pumping action of the heart
D) smooth muscle contractions within the lymphatic vessels
E) presence of valves within the larger lymph vessels

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Which lymphatic organ's major job is to destroy worn-out red blood cells and return some of the products to the liver?


A) tonsils
B) spleen
C) thymus gland
D) appendix
E) Peyer's patches

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Which one of the following is NOT an autoimmune disease?


A) allergic contact dermatitis
B) multiple sclerosis
C) Graves' disease
D) type I diabetes mellitus
E) rheumatoid arthritis

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Antigen presentation is essential for the activation and clonal selection of ________.


A) T cells
B) B cells
C) plasma cells
D) antigen-presenting cells
E) antibodies

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What is the body's first line of defense against the invasion of disease-causing microorganisms?


A) phagocytes
B) natural killer cells
C) skin and mucous membranes
D) inflammatory response
E) fever

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What is the origin of lymphatic vessels?


A) veins of the blood vascular system
B) the organs of the digestive system
C) arteries of the blood vascular system
D) the glands of the endocrine system

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B lymphocytes (B cells) and T lymphocytes (T cells) play an important role in the adaptive defense system.

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  Using Figure 12.1, identify the following: -Blood capillaries are indicated by ________. A)  Label A B)  Label B C)  Label C D)  Label D E)  Label E Using Figure 12.1, identify the following: -Blood capillaries are indicated by ________.


A) Label A
B) Label B
C) Label C
D) Label D
E) Label E

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All lymph rejoins the bloodstream via the subclavian veins.

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