Exam2
Question: What vessel receives lymph from most of the body?
Answer: Thoracic duct
Question: Which of the following describes lymphedema?
Answer: Excess accumulation of fluid within the tissues
Question: Which lymphoid tissues trap and remove bacteria from the throat?
Answer: Tonsils
Question: Which of the following substances are normally found in lymph fluid?
Answer: Water, proteins, ions and lymphocytes
Question: What lymph organ's major function is to destroy worn out red blood cells?
Answer: Spleen
Question: Where is the thymus gland located?
Answer: In the thoracic cavity lying just over the heart
Question: Peyer's patches are categorized as which of the following?
Answer: Mucosa-associated lymphoid tissue (MALT)
Question: What is the internal portion of the lymph node where lymph cells are arranged in cordlike fashion?
Answer: Medullary cords
Question: What lymph vessel receives lymph drainage from the lower limbs?
Answer: Cisterna chyli
Question: Which of the following lists the areas in which large clusters of lymph nodes are present?
Answer: The groin, armpits and neck
Question: What are the connective tissue strands that divide the lymph node into compartments?
Answer: Trabeculae of reticular fibers (or simply Trabeculae)
Question: Which of the following describes white pulps
Answer: Part of the spleen where adaptive T and B cells responses are mounted
Question: Which structure in the lymph node contains macrophages and reticular cells?
Answer: Medullary sinuses
Question: Which tonsils are located in the superior portion of the throat and are not visible through the mouth?
Answer: Pharyngeal (also known as adenoids/nasopharyngeal tonsils)
Question: Which of the following describe lymphocytes?
Answer: Lymphocytes originate in the bone marrow but further mature before they are effective against disease.
Question: Which of the following describes the flow of lymph?
Answer: In one direction towards the heart
Question: Which one of the following describes lymph nodes?
Answer: They remove foreign materials from the lymph fluid
Question: What vessel drains the lymph nodes?
Answer: Efferent lymph vessel
Question: Which of the following describes lymph transport?
Answer: Lymph movement is dependent on muscle contractions of adjacent muscles
Question: What type of cell recognizes antigens and produces plasma cells?
Answer: B lymphocytes
Question: Which of the following factors determines which specific foreign substances our adaptive immune system will be able to recognize and resist?
Answer: A person's genes
Question: Which of the following correctly compares active and passive immunity?
Answer: Both active and passive humoral immunity are specific immunity that uses antibodies
Question: Which of the following is true of the inflammatory response?
Answer: Prevents the spread of an infectious agent to nearby tissues
Question: Which of the following describes the structure of antibodies?
Answer: 1 heavy and 2 light strands of amino acids
Question: Which of the following describes T cells
Answer: Some are called memory cells
Question: Which of the following represents lymphocytes?
Answer: Helper T cells stimulate B cells to divide and differentiate into plasma cells
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Question: What classification of antibodies makes specific mast cells degranulate and create an allergic reaction?
Answer: IgE
Question: Which of the following is most directly associated with inflammation?
Answer: Edema is present due to accumulated body fluid in the area
Question: What kind of bond holds the heavy and light chains together in an antibody?
Answer: Disulfide bonds
Question: What is the role of complement in the immune response?
Answer: It enhances both innate and adaptive defenses
Question: Which of the following causes an acquired immunodeficiency syndrome?
Answer: Human immunodeficiency virus
Question: Which of the following describes natural killer cells?
Answer: They can kill cancer cells before the adaptive immune system is activated
Question: Which of the following represents phagocytes?
Answer: Neutrophils are attracted to the infected area by chemotaxis.
Question: What is opsonization?
Answer: When complement coats a microbe and provides binding sites for phagocytes to engulf the invader
Question: Which of the following are considered the first line of defense against foreign invaders?
Answer: Skin and mucose
Question: Which of the following is the only T cell population that can directly attack and kill cells?
Answer: Cytotoxic cells
Question: Which of the following responses would be considered a delayed hypersensitivity reaction?
Answer: Allergic contact sensitivity
Question: Which of the following is most directly associated with inflammation?
Answer: Edema is present due to accumulated body fluid in the area
Question: What is the role of leukotrienes in the inflammatory response?
Answer: They increase vascular permeability and attract neutrophils
Question: Which of the following describes antigens?
Answer: One antigen can have different antigenic determinants and can cause more than one type of antibody to be produced