11. Lymphatic and Immune Systems
50 questions available
Questions
How many liters of plasma are released into the interstitial space of the tissues each day due to capillary leakage?
View answer and explanationWhich structure is responsible for draining lymph fluid from the right sides of the head, thorax, and right upper limb into the right subclavian vein?
View answer and explanationWhat is the term for the age-related shrinking of the thymus gland?
View answer and explanationWhat is the approximate rate of tissue loss per year for the thymus gland from birth until 35 to 45 years of age?
View answer and explanationWhich of the following is considered a primary lymphoid organ?
View answer and explanationWhat is the primary function of the spleen, earning it the name 'filter of the blood'?
View answer and explanationWhat are the deep grooves in tonsils called that accumulate materials and encourage pathogens to penetrate into the tonsillar tissues?
View answer and explanationWhat type of Mucosa-associated lymphoid tissue (MALT) is especially important for immune responses against ingested substances and is found in the small intestine?
View answer and explanationWhat is the term for the clearance of a pathogen from the body by the adaptive immune response, which does not necessarily mean a patient is getting well?
View answer and explanationWhich of the following is an example of a barrier defense mechanism of the immune system?
View answer and explanationWhat type of cell is described as a circulating precursor that differentiates into either a macrophage or a dendritic cell?
View answer and explanationWhat is the primary function of a chemokine?
View answer and explanationWhich of the four characteristics of inflammation is caused by histamine increasing the permeability of local capillaries, leading to plasma leakage?
View answer and explanationThe secondary adaptive immune response, which is stronger and faster than the primary response, is the basis for what phenomenon?
View answer and explanationWhich class of antibody is the only one that can cross the placenta to protect the developing fetus?
View answer and explanationWhich type of T cell helps to develop and regulate other immune system cells by releasing cytokines?
View answer and explanationWhat is the defining characteristic of passive immunity?
View answer and explanationWhich of the following is an example of a pathogen evading the immune system through antigenic mutation?
View answer and explanationIn the context of immune response to cancer, what is the 'Equilibrium' stage?
View answer and explanationWhat is the most serious form of inherited immunodeficiency, which is caused by genetic defects impairing both B cell and T cell arms of the adaptive immune response?
View answer and explanationAccording to the text, how quickly can severe allergies causing anaphylactic shock be fatal if left untreated?
View answer and explanationWhich type of hypersensitivity is responsible for the reactions seen in mismatched blood transfusions and erythroblastosis fetalis?
View answer and explanationWhat is the autoantigen targeted in Graves’ disease, leading to hyperthyroidism?
View answer and explanationWhat is the term for a lymphocyte that has left a primary lymphoid organ but has not yet encountered an antigen?
View answer and explanationWhat is the condition called when interstitial fluid accumulates in tissue spaces due to a damaged lymphatic system?
View answer and explanationWhich chemical mediators, released from mast cells during an inflammatory response, attract neutrophils from the blood by chemotaxis?
View answer and explanationWhich of the following describes the function of natural killer (NK) cells?
View answer and explanationWhat type of immunity is conferred by a vaccine?
View answer and explanationGraft-versus-host disease (GVHD) is a complication that occurs in which type of transplantation procedure?
View answer and explanationChronic stress, unlike short-term stress, may have what effect on the immune system?
View answer and explanationWhich type of hypersensitivity is described as 'delayed hypersensitivity' and takes 24 to 72 hours to develop?
View answer and explanationWhat is the term for a firm, raised, reddened patch of skin that indicates a positive tuberculin test?
View answer and explanationThe autoimmune disease Myasthenia gravis targets which autoantigen, leading to debilitating muscle weakness?
View answer and explanationWhat is the primary cell of the adaptive immune response?
View answer and explanationWhich antibody class is particularly associated with allergies and anaphylaxis?
View answer and explanationIn what location do B cells undergo nearly all of their development?
View answer and explanationThe thoracic duct drains a much larger portion of the body than the right lymphatic duct and begins just beneath the diaphragm in a structure called the:
View answer and explanationAccording to the text, which type of signaling involves a chemical triggering a response in the very same cell that secreted it?
View answer and explanationWhat is the approximate length of the spleen?
View answer and explanationThe HIV virus causes Acquired Immunodeficiency by steadily declining the levels of which specific cells, eventually leading to a weakened immune response?
View answer and explanationWhat is the term for the body's ability to distinguish between self-antigens and foreign antigens?
View answer and explanationWhich of the following conditions is a form of cancer where malignant T and/or B lymphocytes collect in lymph nodes, the spleen, and other tissues?
View answer and explanationWhat are interferons?
View answer and explanationAccording to the text, a major function of tonsils is to help children's bodies perform what action regarding common environmental pathogens?
View answer and explanationWhat happens during the 'seroconversion' phase of an HIV infection?
View answer and explanationWhich condition is an autoimmune disease where the immune system attacks joint capsule antigens, leading to chronic inflammation of joints?
View answer and explanationHow many lymph nodes are estimated to be in the human body?
View answer and explanationWhat is the term for the process where phagocytes are attracted to infected tissues from the bloodstream?
View answer and explanationWhich phase of the immune response is considered the body's first line of physiological defense, occurring rapidly but with less specificity than the adaptive response?
View answer and explanationWhat is the primary substance that causes pain during an inflammatory response by relaxing vascular smooth muscle?
View answer and explanation