Exam 3 Chapter 18

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Exam 3 Chapter 18
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2013-06-12 23:21:51
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Exam 3 Chapter 18
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  1. What is the function of the proteases released when mast cells degranulate?
    A) stimulation of nerve endings, causing itching and pain.
    B) contraction of smooth muscle in the lungs and gastrointestinal trace.
    C) increased production of tears and saliva.
    D) increased vascular permeability.
    E) destruction of nearby cells and activation of the complement system.
    E) destruction of nearby cells and activation of the complement system.
    (this multiple choice question has been scrambled)
  2. Which of the following is NOT a white blood cell?
    A) neutrophil 
    B) basophil 
    C) lymphocyte 
    D) mast cell
    E) eosinophil 
    D) mast cell
    (this multiple choice question has been scrambled)
  3. Which of the following allergic reactions is the result of type IV (delayed) hypersensitivity? 
    A) dermatitis in response to latex gloves
    B) skin irritation after wearing wool
    C) sensitivity to pet dander 
    D) breathing difficulties after exposure to mold spores
    E) runny nose triggered by pollen 
    A) dermatitis in response to latex gloves
    (this multiple choice question has been scrambled)
  4. Which of the following is NOT considered a hypersensitivity reaction?
    A) immune system attack on the thyroid gland
    B) a rash caused by poison ivy
    C) dermatitis at the site of a metal watchband
    D) breaking into hives after eating strawberries
    E) itchy eyes and a runny nose in a dusty environment
    A) immune system attack on the thyroid gland
    (this multiple choice question has been scrambled)
  5. How can type I allergic reactions be diagnosed?
    A) by taking a biopsy from the kidney to detect the deposition of immune complexes
    B) by injecting a protein solution from Mycobacterium tuberculosis under the skin
    C) by injecting very small quantities of suspected allergens under the skin of the forearm
    D) by encouraging the patient to visit rural areas during pollen season
    E) by mixing antigens and antibodies with red blood cells 
    C) by injecting very small quantities of suspected allergens under the skin of the forearm
    (this multiple choice question has been scrambled)
  6. A person with type B blood can receive blood from individuals with which of the following blood types?
    A) type AB or O 
    B) type B or O 
    C) type B or AB 
    D) type B only
    B) type B or O
    (this multiple choice question has been scrambled)
  7. A student develops allergic contact dermatitis after being exposed to formaldehyde in the laboratory. She tries to treat the condition by taking an antihistamine, but the drug has little or no effect. Which of the following treatments should she consider using instead?
    A) corticosteroids 
    B) immunotherapy 
    C) RhoGAM
    D) epinephrine 
    A) corticosteroids
    (this multiple choice question has been scrambled)
  8. A person with type O blood can donate to individuals with which of the following blood types?
    A) A or B only
    B) A, B, or AB only 
    C) A, B, AB, or O 
    D) AB or O only
    C) A, B, AB, or O
    (this multiple choice question has been scrambled)
  9. An Rh- mother has an Rh- baby. What is the risk of her next baby developing hemolytic disease of the newborn?
    A) 0% chance
    B) 25% chance
    C) 75% chance
    D) 100% chance
    E) 50% chance
    A) 0% chance
    (this multiple choice question has been scrambled)
  10. Although it is unclear exactly how allergy shots work, their mechanism of action could be expected to most directly influence which of the following steps of a type I hypersensitivity reaction? 529
    A) release of histamine by mast cells
    B) binding of allergens to IgE molecules
    C) release of leukotrienes by eosinophils
    D) dilation of local blood vessels
    B) binding of allergens to IgE molecules
    (this multiple choice question has been scrambled)
  11. Of the following events in a type I hypersensitivity reaction, which one would be expected to occur LAST? 526
    A) dilation of local blood vessels
    B) release of histamine by mast cells
    C) release of leukotrienes by eosinophils
    D) binding of allergens to IgE molecules
    C) release of leukotrienes by eosinophils
    (this multiple choice question has been scrambled)
  12. ________ is a type III hypersensitivity reaction that results when B cells produce autoantibodies that damage the cartilage in the joints.
    Rheumatoid arthritis
  13. Which of the following immunoglobulins is produced by plasma cells in response to an allergen?
    A) IgM 
    B) IgG 
    C) IgA 
    D) IgD
    E) IgE 
    B) IgG
    (this multiple choice question has been scrambled)
  14. In cases of anaphylactic shock, ________ should be administered.
    epinephrine
  15. The tuberculin response is an example of allergic contact dermatitis.
    a) True
    b) False
    b) False
  16. Type I hypersensitivity reactions are also commonly known as ________.
    Allergies
  17. Which of the following is an example of a type I hypersensitivity reaction?
    A) deposition of immune complexes in the kidney
    B) farmer's lung
    C) destruction of RBCs after an incompatible blood transfusion
    D) the tuberculin response
    E) watery eyes after exposure to animal dander
    E) watery eyes after exposure to animal dander
    (this multiple choice question has been scrambled)
  18. When mast cells degranulate and release histamine, which of the following events may occur?
    A) bronchial spasms and increased mucus production
    B) increased mucus production bronchial spasms
    C) constriction of small blood vessels and bronchial spasms
    D) constriction of small blood vessels
    A) bronchial spasms and increased mucus production
    (this multiple choice question has been scrambled)
  19. If an Rh-positive woman marries an Rh-negative man, their children are at risk for hemolytic disease of the newborn.
    a) True
    b) False
    b) False
  20. Which of the following bind to the constant region of IgE?
    A) eosinophils 
    B) mast cells and monocytes
    C) mast cells 
    D) eosinophils and mast cells
    D) eosinophils and mast cells
    (this multiple choice question has been scrambled)
  21. Which antibody can cross the placenta and cause hemolytic disease of the newborn?
    A) IgM 
    B) IgA 
    C) IgD
    D) IgE 
    E) IgG 
    E) IgG
    (this multiple choice question has been scrambled)
  22. An accident victim receives a blood transfusion. Shortly thereafter, he begins to have difficulty breathing, develops a fever, and experiences nausea and vomiting. Which of the following is the most likely interpretation of these events?
    A) the blood transfusion was mismatched and contained pyrogens. 
    B) the recipient had previously been exposed to the blood group antigens of the blood transfusion.
    C) the blood transfusion was mismatched.
    D) the blood transfusion was mismatched, and the recipient had previously been exposed to the blood group antigens of the blood transfusion. 
    E) the blood transfusion contained pyrogens.
    D) the blood transfusion was mismatched, and the recipient had previously been exposed to the blood group antigens of the blood transfusion.
    (this multiple choice question has been scrambled)
  23. Which of the following could result in hemolytic disease of the newborn?
    A) Rh-negative mother and Rh-negative father
    B) Rh-positive mother and Rh-negative father or Rh-negative mother and Rh-positive father
    C) Rh-positive mother and Rh-negative father 
    D) Rh-negative mother and Rh-positive father 
    E) Rh-positive mother and Rh-positive father 
    D) Rh-negative mother and Rh-positive father
    (this multiple choice question has been scrambled)
  24. HAPTENS:
    A) do not react with antibodies, but instead with T cells. 
    B) trigger type III hypersensitivity reactions. 
    C) are small molecules that become antigenic only when they bind to red blood cells or platelets.
    D) are large protein molecules that can trigger immune responses. 
    E) are the antigenic substances involved in transplant rejection. 
    C) are small molecules that become antigenic only when they bind to red blood cells or platelets.
    (this multiple choice question has been scrambled)
  25. A small amount of antigen is injected under the skin of a patient. After 30 minutes there is no apparent change at the injection site, but 36 hours later the patient reports that the area is red and swollen. This type of response is due to?
    A) immunodeficiency.
    B) type I hypersensitivity. 
    C) type II hypersensitivity. 
    D) type III hypersensitivity. 
    E) type IV hypersensitivity. 
    E) type IV hypersensitivity.
    (this multiple choice question has been scrambled)
  26. A young woman comes into the clinic complaining of itchy reddish skin and swelling on her arms and legs. She had not been in any parks or wooded areas recently, but she had been shopping. A blood sample reveals elevated levels of granulocytes. What treatment is the physician likely to prescribe at this point?
    A) interferon 
    B) corticosteroids 
    C) antihistamines
    D) methotrexate 
    E) cyclophosphamide
    C) antihistamines
    (this multiple choice question has been scrambled)
  27. Which of the following would test positive for the tuberculin response?
    A) someone who has previously had tuberculosis
    B) someone who has previously been injected subcutaneously with tuberculin
    C) someone who has been immunized with the tuberculosis vaccine
    D) someone who has been immunized with the tuberculosis vaccine or has previously had tuberculosis
    E) someone who has been immunized with the tuberculosis vaccine or previously been injected subcutaneously with tuberculin
    D) someone who has been immunized with the tuberculosis vaccine or has previously had tuberculosis
    (this multiple choice question has been scrambled)
  28. The tuberculin response is mediated by?
    A) memory T cells. 
    B) B lymphocytes.
    C) mast cells. 
    D) eosinophils. 
    E) plasma cells. 
    A) memory T cells.
    (this multiple choice question has been scrambled)
  29. Anaphylactic shock is a result of:
    A) immediate hypersensitivity
    B) immunodeficiency.
    C) immune complex-mediated hypersensitivity
    D) cytotoxic hypersensitivity.
    E) delayed cell-mediated hypersensitivity
    A) immediate hypersensitivity
    (this multiple choice question has been scrambled)
  30. Rheumatoid arthritis develops as a result of:
    A) drug induced cytotoxicity.
    B) cytotoxic hypersensitivity.
    C) delayed hypersensitivity.
    D) immediate hypersensitivity.
    E) immune complex-mediated hypersensitivity.
    E) immune complex-mediated hypersensitivity.
    (this multiple choice question has been scrambled)
  31. Allergic contact dermatitis is a(n) __________ disorder.
    A) autoimmune
    B) cytotoxic hypersensitivity
    C) immediate hypersensitivity
    D) delayed hypersensitivity
    E) immune complex-mediated hypersensitivity
    D) delayed hypersensitivity
    (this multiple choice question has been scrambled)
  32. The glycoprotein and glycolipid molecules on the surface of red blood cells?
    A) act to transport glucose and ions across the cytoplasmic membrane 
    B) cause degranulation of the cell when it is exposed to allergens 
    C) act as seceptors for foreign antigens and triggers an early immune response
    D) function as a binding sitr got IgD
    E) stimulate the production of antibodies that contribute to the development of a transfusion reaction
    E) stimulate the production of antibodies that contribute to the development of a transfusion reaction
    (this multiple choice question has been scrambled)
  33. Which of the following substances released during type I hypersensitivity reaction stimulates the release of eosinophiles from the bone marrow?
    A) prostaglandings 
    B) peptides 
    C) histamines
    D) proteases
    E) leukotrienes 
    B) peptides
    (this multiple choice question has been scrambled)
  34. Which of the following is a connective tissue cell which produces leukotrienes and prostaglandins?
    A) neutrophil
    B) basophil
    C) lymphocyte
    D) mast cell
    E) eosinophil
    D) mast cell
    (this multiple choice question has been scrambled)
  35. What are the 7 steps of HIV replication?
    • Attachment
    • Entry and uncoating
    • Synthesis
    • Integration
    • Synthesis of RNA and Polypeptides
    • Release
    • Assemble
  36. Type I Hypersensitivity
    • (Immediate)
    • Commonly called allergies
    • Antigens that stimulate them are called allergends

  37. Type II Hypersensitivity
    • (Cytotoxic)
    • Autoimmune diseases
    • Destruction of donor red blood cells following an incompatible transfusion and destruction of fetal red blood cells
  38. Type III Hypersensitivity
    • (Immune Complex-Mediated)
    • Initiates several molecular processes, including complement activity
  39. Hypersensetivity
    Any immune response against a foreign antigen that is exaggerated beyond the norm.
  40. Type IV Hypersensitivity
    • (Delayed or Cell-Mediated)
    • Result not from the action of antibodies, but rather from interactions among antigen, antigen-presenting cells (APCs), and T cells
    • This reaction is also called cell-mediated hypersensitivity 

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