Reference no: EM13977007
What lymph organ(s) filter lymph?
| Lymph nodes and the spleen |
| Lymph nodes, the thymus, and the spleen |
| Only the lymph nodes |
| Tonsils, thymus, and the spleen |
| Only the spleen |
What is the function of the lymphatic vessels?
| Remove excess fluid from blood vessels and send it to the cardiovascular system for recirculation |
| Remove excess fluid from body tissues and send it to the kidneys for removal |
| Remove excess fluid from blood vessels and send it to the kidneys for removal |
| Remove excess fluid from the cardiovascular system and send it to the lymph nodes |
| Remove excess fluid from the body tissues and send it to the cardiovascular system for recirculation |
Which of the following describes the flow of lymph through the lymph nodes?
| Lymph enters only one lymph node before entering the cardiovascular system. |
| Lymph flow is fast and under great pressure. |
| Lymph flows through sinuses in a slow manner. |
| Lymph flows through the efferent vessels and then into the sinuses. |
| Lymph flows slowly from the cardiovascular vessels into the hilum. |
What are the two major collecting vessels that drain into the subclavian vein?
| Right lymphatic duct and thoracic duct |
| Left lymphatic duct and thoracic duct |
| Subclavian lymphatic duct and thoracic duct |
| Thoracic duct and cervical duct |
| Subclavian lymphatic capillaries and right lymphatic duct |
Which of the following is a function of the lymph nodes?
| To remove foreign substances. |
| To mix the lymph with circulating blood. |
| To dilute the lymph. |
| To produce lymph. |
| To suppress the immune response. |
Which of the following is a nonspecific defense that kills virus-infected body cells?
| Phagocytes |
| Skin and mucous membranes |
| Natural killer cells |
| Fever |
| Inflammation |
What is the function of the thymus gland?
| To trap and remove debris from entering the throat. |
| To produce hormones that program lymphocytes. |
| To trap and remove debris from the digestive tract. |
| To filter lymph. |
| To filter the blood of debris. |
What organ is responsible for the removal of destroyed red blood cells from the blood?
| Spleen |
| Thymus |
| Peyer's patches |
| Appendix |
| Tonsils |
Question
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Which of the following is an adaptive body defense?
| Mucous membranes |
| Fever |
| Inflammatory response |
| Phagocytosis |
| Antibody production |
What are interferons?
| Large molecules secreted by the endothelium that attract neutrophils to the area of invasion |
| Small proteins produced by cells infected by viruses that travel to nearby uninfected cells |
| Chemicals secreted by bacteria that activate the immune response |
| A plasma protein that attaches to a foreign cell and produces lesion on that cell's surface |
| A chemical released by injured cells that causes blood vessels to dilate |
What is the function of plasma cells?
| To produce plasma. |
| To activate the T cells. |
| To activate the B cells. |
| To enable the body to respond to a second infection. |
| To produce specific antibodies. |
What type of immunity is used when a patient is given an oral antibiotic for a bacterial infection?
| Active humoral immunity |
| Passive humoral immunity |
| Cellular immunity |
| Innate adaptive immunity |
| Passive innate immunity |
What is the inflammatory response?
| A process that begins when antibodies attack specific antigens |
| A nonspecific response as a result of a high fever |
| A process that releases interferon to fight virus infected cells |
| A nonspecific response when body tissues are injured |
| A specific humoral response to body tissue damage |
Which of the following describes macrophages?
| They originate in the thymus. |
| They become immunocompetent in various places in the body. |
| They produce antibodies. |
| They phagocytize foreign debris. |
| They can differentiate into plasma cells. |
Which of the following is associated with the inflammatory response?
| Abnormally high body temperature |
| Damage to the nerves |
| Spread of pathogens to other areas |
| Increased permeability of the capillaries |
| Adaptive immune response |
Which of the following describes a fever?
| Fever is a specific response to a specific antigen. |
| Fever is an elevated body temperature due to inflammation. |
| Fever is an innate body defense. |
| Fever decreases the metabolic rate of tissues. |
| Fever results in calcium uptake in the liver which limits the amount available for bacteria. |
Which antibody class is the most abundant in the body?
Organ transplants involving a recently deceased body are an example of what type of transplant?
| Autograft |
| Isograft |
| Allograft |
| Xenograft |
| Immunograft |
What is the purpose of immunosuppressive therapy?
| Prevention of the production of histamine in allergy sufferers |
| Prevention of rejection after an organ transplant |
| Increasing the activity of helper T cells in AIDS patients |
| Increasing the immune protection for patients with melanoma |
| Prevention of anaphylactic shock |
Which of the following describes basic antibody structure?
| Antibodies consist of two amino acid chains. |
| The chains are linked together by disulfide bonds. |
| The general shape is a double helix. |
| Four heavy chains make up the constant region. |
| Two light chains bind with four heavy chains. |
What is an immunodeficiency disease?
| When the production of immune cells or complement is abnormal |
| When the immune response is abnormally vigorous |
| When the body produces antibodies that attack its own body cells |
| When the body produces too many lymphocytes |
| When the body rejects a transplanted organ |
What is the function of the helper T cell?
| It produces antibodies. |
| It binds with a specific antigen and stimulates the production of other immune cells. |
| It is a descendant of an activated B or T cell that stays in the body for years after the initial infection. |
| It resides in the lymph nodes and evolves into a plasma cell. |
| It engulfs and digests antigens and then presents parts of the antigen on its plasma membrane. |
The transplant of a heart valve from a pig is an example of what type of transplant?
| Autograft |
| Isograft |
| Allograft |
| Xenograft |
| Immunograft |
Which autoimmune disease is associated with impaired communication between neurons and skeletal muscles?
| Rheumatoid arthritis |
| Multiple sclerosis |
| Grave's disease |
| Myasthenia gravis |
| Systemic lupus erythematosus |
What substance triggers the symptoms associated with hypersensitivity or an allergic reaction?
| Histamine |
| Acetylcholine |
| Thyroid hormone |
| Viruses |
| Antibodies |
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