Lymphatic System and Dendritic Cells
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Questions and Answers

Which cells are part of the monocyte line and have the primary job of antigen presentation?

  • T cells
  • B cells
  • Dendritic cells (correct)
  • Macrophages

Which of the following is NOT a component of the lymphatic system?

  • Lymph nodes
  • Pancreas (correct)
  • Thymus
  • Spleen

What is the function of the thymus in adults?

  • Supply mature T cells (correct)
  • Filter blood
  • Release mature T cells
  • Trap pathogens

Which of the following is NOT a symptom of inflammation?

<p>Itching (C)</p> Signup and view all the answers

What are the major events in inflammation?

<p>Injury, vascular reactions, edema, and resolution (B)</p> Signup and view all the answers

What is the term for the leakage of vascular fluid into tissue during inflammation?

<p>Edema (A)</p> Signup and view all the answers

What is the physiological response to infection that involves an increase in body temperature?

<p>Fever (B)</p> Signup and view all the answers

Which of the following is NOT considered a part of innate immunity?

<p>Humoral immunity (A)</p> Signup and view all the answers

Which of the following is a structural defense barrier in the body?

<p>Keratinized skin, mucous membranes (C)</p> Signup and view all the answers

What is the purpose of the mucociliary system?

<p>To move trapped organisms out of the body (C)</p> Signup and view all the answers

What is the primary function of peristalsis in the body?

<p>To move bacteria along the GI tract (B)</p> Signup and view all the answers

Which of the following is a component of adaptive immunity?

<p>Humoral immunity (A)</p> Signup and view all the answers

What is the function of the connective layer in mucous membranes?

<p>To support the epithelium (A)</p> Signup and view all the answers

Which of the following is NOT a mechanical barrier that helps remove microbes from surfaces?

<p>Stomach secretions (C)</p> Signup and view all the answers

Which of the following is a biochemical barrier that creates an inhospitable environment for microbes?

<p>Stomach secretions (C)</p> Signup and view all the answers

Which of the following is NOT a component of the innate immune defense system?

<p>Red blood cells (B)</p> Signup and view all the answers

Which type of white blood cell is responsible for phagocytosis and antigen presentation?

<p>Monocytes (D)</p> Signup and view all the answers

Which type of white blood cell is involved in cellular immunity?

<p>T-lymphocytes (D)</p> Signup and view all the answers

Which system interconnects cells and allows immune cells to bind and move outside the blood and lymphatic system?

<p>Recticuloendothelial system (C)</p> Signup and view all the answers

What is the main function of lysozyme in skin secretions?

<p>Break down peptidoglycan (A)</p> Signup and view all the answers

Which of the following is the primary means of eliminating pathogens?

<p>Phagocytosis (A)</p> Signup and view all the answers

What are the 4 steps of phagocytosis?

<p>Recognition, Engulfment, Digestion, Expulsion (C)</p> Signup and view all the answers

What triggers the complement cascade in the classical pathway?

<p>Presence of an antibody bound to a microorganism (B)</p> Signup and view all the answers

What is the function of pyrogens in fever production?

<p>To reset the hypothalamic thermostat (C)</p> Signup and view all the answers

Which cells are the primary components of pus?

<p>Neutrophils (C)</p> Signup and view all the answers

What is the main consequence of the complement cascade?

<p>All of the above (D)</p> Signup and view all the answers

What is the optimal temperature for phagocytic cell activity?

<p>Fever (D)</p> Signup and view all the answers

What is the function of interferons?

<p>All of the above (D)</p> Signup and view all the answers

What is the function of the membrane attack complex?

<p>To burst the invader's cell wall (B)</p> Signup and view all the answers

Which of the following is NOT a component of the lymphatic system?

<p>Dendritic cells (C)</p> Signup and view all the answers

What triggers the complement cascade in the classical pathway?

<p>Microbes (D)</p> Signup and view all the answers

Which of the following is the function of interferons?

<p>To prevent virus spread (D)</p> Signup and view all the answers

What is the primary function of peristalsis in the body?

<p>To move substances through the digestive system (A)</p> Signup and view all the answers

Which of the following is the purpose of the mucociliary system?

<p>To remove harmful substances (C)</p> Signup and view all the answers

What is the main consequence of the complement cascade?

<p>Increased vessel permeability (D)</p> Signup and view all the answers

Which of the following is a biochemical barrier that creates an inhospitable environment for microbes?

<p>Lysozyme (C)</p> Signup and view all the answers

Which of the following is a component of innate immunity?

<p>Inflammation (A)</p> Signup and view all the answers

What is the function of the membrane attack complex?

<p>To eliminate pathogens (B)</p> Signup and view all the answers

What is the function of interferons?

<p>To inhibit viral replication (D)</p> Signup and view all the answers

What is the main consequence of the complement cascade?

<p>Pathogen destruction (B)</p> Signup and view all the answers

What is the primary function of peristalsis in the body?

<p>To move bacteria along the GI tract (D)</p> Signup and view all the answers

What is the purpose of the mucociliary system?

<p>To trap organisms in mucus (A)</p> Signup and view all the answers

Which of the following is NOT a symptom of inflammation?

<p>Fever (D)</p> Signup and view all the answers

Which of the following is NOT a granulocyte involved in innate immunity?

<p>Monocyte (C)</p> Signup and view all the answers

Which of the following is NOT a function of basophils in the immune response?

<p>Phagocytosis (C)</p> Signup and view all the answers

Which of the following is the primary location for the development of T-lymphocytes?

<p>Thymus (B)</p> Signup and view all the answers

Which of the following is the largest type of white blood cell?

<p>Monocyte (D)</p> Signup and view all the answers

Which of the following cells are involved in fighting off eukaryotic pathogens like fungi or worms?

<p>Eosinophils (D)</p> Signup and view all the answers

Which of the following systems enables the recognition and destruction of foreign particles in the human body?

<p>Reticuloendothelial system (B)</p> Signup and view all the answers

Which of the following is NOT a component of blood?

<p>Plasma (A)</p> Signup and view all the answers

Which of the following is a consequence of the complement cascade?

<p>Cytolysis of the invader's cell wall (B)</p> Signup and view all the answers

What triggers the complement cascade in the classical pathway?

<p>Presence of an antibody bound to a microorganism (D)</p> Signup and view all the answers

What is the primary function of interferons?

<p>Impair viral replication (D)</p> Signup and view all the answers

What is the function of pyrogens in fever production?

<p>Reset the hypothalamic thermostat (C)</p> Signup and view all the answers

Which type of white blood cell is responsible for phagocytosis and antigen presentation?

<p>Macrophages (C)</p> Signup and view all the answers

What is the physiological response to infection that involves an increase in body temperature?

<p>Fever (A)</p> Signup and view all the answers

Which of the following is NOT a symptom of inflammation?

<p>Decreased blood flow (B)</p> Signup and view all the answers

What are the major events in inflammation?

<p>Vasodilation, increased vascular permeability, migration of leukocytes (B)</p> Signup and view all the answers

What is the function of the membrane attack complex?

<p>Burst the invader's cell wall (C)</p> Signup and view all the answers

Which of the following is a component of innate immunity?

<p>Complement (C)</p> Signup and view all the answers

What is the main consequence of the complement cascade?

<p>Formation of membrane attack complex (B)</p> Signup and view all the answers

What is the function of interferons?

<p>Inhibit viral replication (A)</p> Signup and view all the answers

Which of the following is NOT a symptom of inflammation?

<p>Fever (C)</p> Signup and view all the answers

What is the function of the connective layer in mucous membranes?

<p>Support the epithelium (A)</p> Signup and view all the answers

Which type of white blood cell is responsible for phagocytosis and antigen presentation?

<p>Macrophages (A)</p> Signup and view all the answers

What is the primary function of peristalsis in the body?

<p>Move bacteria along the GI tract (D)</p> Signup and view all the answers

Which of the following is NOT a granulocyte involved in innate immunity?

<p>Monocytes (A)</p> Signup and view all the answers

Which of the following is NOT a component of the lymphatic system?

<p>Red blood cells (B)</p> Signup and view all the answers

Which of the following is a mechanical barrier that helps remove microbes from surfaces?

<p>Tears (C)</p> Signup and view all the answers

What is the primary location for the development of T-lymphocytes?

<p>Thymus (A)</p> Signup and view all the answers

What is the function of the membrane attack complex?

<p>Cell lysis (A)</p> Signup and view all the answers

What is the main function of lysozyme in skin secretions?

<p>Bacterial cell wall breakdown (C)</p> Signup and view all the answers

What is the main consequence of the complement cascade?

<p>Cell lysis (A)</p> Signup and view all the answers

Which of the following is NOT a function of the lymphatic system?

<p>To produce red blood cells (D)</p> Signup and view all the answers

Which of the following is a major symptom of inflammation?

<p>Swelling (A)</p> Signup and view all the answers

Which of the following is responsible for the movement of lymph in the lymphatic system?

<p>Muscle contractions (C)</p> Signup and view all the answers

Which of the following is a function of dendritic cells?

<p>Antigen presentation (D)</p> Signup and view all the answers

Which of the following is NOT a component of innate immunity?

<p>Antibody production (A)</p> Signup and view all the answers

Which of the following is the primary function of the thymus in adults?

<p>Production of T cells (A)</p> Signup and view all the answers

What is the purpose of the membrane attack complex?

<p>To destroy pathogens (A)</p> Signup and view all the answers

Which of the following is NOT a consequence of the complement cascade?

<p>Activation of interferons (C)</p> Signup and view all the answers

What triggers the complement cascade in the classical pathway?

<p>Presence of an antibody bound to a microorganism (D)</p> Signup and view all the answers

What is the function of the membrane attack complex?

<p>Bursting the invader's cell wall (C)</p> Signup and view all the answers

Which type of white blood cell is responsible for phagocytosis and antigen presentation?

<p>Macrophages (D)</p> Signup and view all the answers

What is the main function of interferons?

<p>Impair viral replication (A)</p> Signup and view all the answers

What is the optimal temperature for phagocytic cell activity?

<p>Elevated temperature (C)</p> Signup and view all the answers

Which of the following is NOT a component of the innate immune defense system?

<p>Antibodies (B)</p> Signup and view all the answers

Which of the following is a biochemical barrier that creates an inhospitable environment for microbes?

<p>Fever (D)</p> Signup and view all the answers

Which of the following is the primary means of eliminating pathogens?

<p>Phagocytosis (C)</p> Signup and view all the answers

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