Introduction to Immune System Functions

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Questions and Answers

What is the function of pyrogens in the immune system?

  • Cause fever (correct)
  • Enhance phagocytosis
  • Neutralize antigens
  • Promote inflammation

Which cells are responsible for releasing chemical granzymes to attack local pathogens in the immune system?

  • Neutrophils
  • Granulocytes (correct)
  • Natural Killer (NK) cells
  • Eosinophils

What is the main function of Interferons in the immune system?

  • Promote inflammation
  • Enhance antibody production
  • Stimulate phagocytosis
  • Interfere with viral replication (correct)

Which is NOT one of the cardinal signs of inflammation?

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

What is the process by which phagocytes engulf and digest pathogens?

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

Which type of immunity is characterized by its specificity to the antigen being targeted?

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

What is responsible for assisting in blood pressure regulation and promoting the release of Aldosterone?

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

Which organ is capable of filtering small blood clots in the blood?

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

What process involves breathing and muscle contractions to assist in processes such as childbirth, defecation, and micturition?

<p>Removal of abdominal contents (A)</p> Signup and view all the answers

Where are over 50% of the body's platelets generated from?

<p>Production of Platelets (B)</p> Signup and view all the answers

Which process involves controlling the levels of CO2 to achieve pH balance affecting blood pH?

<p>Filtration of Blood (B)</p> Signup and view all the answers

What assists in promoting the movement of blood and lymph in the body?

<p>Promoting blood and lymph flow (D)</p> Signup and view all the answers

What type of hypersensitivity reaction involves autoimmune disorders like rheumatoid arthritis and systemic lupus?

<p>Type 3 (C)</p> Signup and view all the answers

Which antibody is most commonly associated with exocrine secretions?

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

Which condition is an example of a Type 2 hypersensitivity reaction?

<p>Incompatible blood transfusion (A)</p> Signup and view all the answers

What is the main function of IgE antibodies in the immune system?

<p>Response to parasitic infections and allergies (D)</p> Signup and view all the answers

Which antibody is responsible for the primary immune response and is the first to be produced during an infection?

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

What is the function of ventilation in the respiratory system?

<p>Movement of gases into and out of the lungs (A)</p> Signup and view all the answers

What type of immunity results from being given a vaccination containing an attenuated virus?

<p>Artificially acquired active immunity (D)</p> Signup and view all the answers

During external (pulmonary) respiration, where does oxygen move from and to?

<p>From alveoli to pulmonary capillary bed (C)</p> Signup and view all the answers

Which process involves carbon dioxide moving from the interstitial fluid to systemic capillary bed?

<p>Internal (Tissue) Respiration (C)</p> Signup and view all the answers

Which type of hypersensitivity reaction involves IgE antibodies and can lead to systemic reactions like anaphylaxis?

<p>Type 1 (A)</p> Signup and view all the answers

In the context of hypersensitivity reactions, which type is associated with graft rejections and contact dermatitis?

<p>Type 4 (A)</p> Signup and view all the answers

Which antibody can cross the placenta and is most responsible for the secondary immune response?

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

Which respiratory structure connects the pharynx to the trachea?

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

What is the function of paranasal sinuses in the respiratory system?

<p>Filter, humidify, and warm up the air before the lungs (B)</p> Signup and view all the answers

What muscle is primarily responsible for forceful inhalation?

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

Which part of the lungs contains three lobes in the right lung and two lobes in the left lung?

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

What is the function of type II alveolar cells in the alveoli?

<p>Produce surfactant to reduce surface tension (C)</p> Signup and view all the answers

In which part of the respiratory system is the external nares located?

<p>Nose/Nasal Cavity (D)</p> Signup and view all the answers

What nerve controls the diaphragm during ventilation?

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

Which term refers to the ability of lungs and thoracic cage to expand?

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

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