Homework Answers
5. # Only IgG and IgM can result in complement fixation or activation.
# Only IgG can cross the placenta.
Only IgM is a pentamer. Second exposure of antigen will lead to rapid and more antibody production. Antibodies are classified based on the diffrence in the constant region.
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QUESTION 5 Which of the following is CORRECT? Only IgG and IgM can result in complement...
QUESTION 6 Select the INCORRECT pairs. Histamine, bradykinin, leukotrienes do not cause constracction of smooth muscles....
QUESTION 6 Select the INCORRECT pairs. Histamine, bradykinin, leukotrienes do not cause constracction of smooth muscles. Immune complex mediated hypersensitivity - Type III hypersensitivity graft rejection - example of type IV hypersensitivity Type IV - T cell or delayed hypersensitivity The tuberculin or PPD test is an example of Type Ill hypersensitivity reaction. Type 1 hypersensitivity - Involves IgE and is immediate. Example is anaphylaxis. QUESTION 7 Which of the following pertain only to exotoxins? Toxic in very small amounts...
Match each description or example with the correct type of hypersensitivity. Type I (acute) hypersensitivity Type...
Match each description or example with the correct type of hypersensitivity. Type I (acute) hypersensitivity Type II (cytotoxic) hypersensitivity Type III (immune complex) hypersensitivity Type IV (delayed) hypersensitivity Answer Bank Antigens bind to IgE on basophils and mast cells and stimulate them to secrete vasoactive substances. IgG or IgM binds to an antigen, which leads to lysis or opsonization of target cell. T cells elicit a response 12-72 hours after initial exposure. Anaphylactic shock is an example of this type...
Please match the description to the type of hypersensitivity. 1. acute reaction to an allergen mediated...
Please match the description to the type of hypersensitivity. 1. acute reaction to an allergen mediated by IgE, mast cells, basophils, and histamine (Click to select) 2. a reaction mediated by T cells and the effector cells enlisted by them. Generally, this reaction takes a day or two to develop after exposure to the provoking antigen (Click to select) 3. mediated by IgG antibody-antigen complexes, which are deposited in basement membranes of some organs and invoke an inflammatory response (Click...
A 48-year-old male patient arrives at the hospital after being rescued from a car accident in...
A 48-year-old male patient arrives at the hospital after being rescued from a car accident in which he suffered a serious hemorrhage. He needs a blood transfusion to stabilize. Blood typing test discovers he is A+, Which of the following blood types can he receive? Check all that apply. Check All That Apply A+ and A- B+ and B- AB+ and AB- O+ and O- Please match the description to the type of hypersensitivity. 1. acute reaction to an allergen...
I don't know if the answer is correct, please help! Not yet answered Marked out of...
I don't know if the answer is correct, please help!
Not yet answered Marked out of 2.00 p Pag question A 35-year-old male presents with headache, fatigue, light-headedness, dyspnea (difficulty in breathing), and tachycardia (rapid heart rate). Laboratory findings reveal anemia, presence of red blood cell spherocytes, and a positive direct Coomb's test (presence of auto-antibodies on red blood cell surfaces). The patient is currently taking an antibiotic for symptoms of upper respiratory infection. These findings suggest that the antibiotics...
A 35-year old male with headache, fatigue, light-headedness, dyspnea (difficulty in breathing), and tachycardia (rapid heart...
A 35-year old male with headache, fatigue, light-headedness, dyspnea (difficulty in breathing), and tachycardia (rapid heart rate). Laboratory findings reveal anemia, presence of red blood cell spherocytes, and a positive direct Coomb's test (presence of auto-antibodies on red blood cell surfaces). The patient is currently taking an antibiotic for symptoms of upper respiratory infection. These findings suggest that the antibiotics may have triggered an autoimmune disease which can also be classified as which type of hypersensitivity disease? a. Type II...
QUESTION 13 The only class of antibody that can cross the placenta is IgA. IgD. IgG....
QUESTION 13 The only class of antibody that can cross the placenta is IgA. IgD. IgG. IgE. QUESTION 14 Which of the following class of antibody is primarily found in external secretions? IgA IgD IgG IgE QUESTION 15 Epitopes or antigenic determinants are parts of the antibody molecule. are T cell receptors. are a portion of antigen recognized by antibody. may be approximately 10-25 amino acids in length. are a portion of antigen recognized by antibody AND may be approximately...
10- Almost all antibodies in a newborn is are The result of infection b. Self made...
10- Almost all antibodies in a newborn is are The result of infection b. Self made e IgMd. The result of passive immunity 11- The MMR vaccine is an example of an a. Subunit vaccine b. Toxoid vaccine attenuated d. DNA vaccine 12-Toxoids are used in vaccines against a HIV Diphtheria e Polio di Herpes simplex type ! 13- A positive tuberculin skin test a. Does not necessarily mean that person has tuberculosis b. Indicates that person has been infected...
2s Antigen-Antibody interactons ooour in which of the foliowing ways? A Opsonization BNecation A D. Complement...
2s Antigen-Antibody interactons ooour in which of the foliowing ways? A Opsonization BNecation A D. Complement Fixation EAl the above are cormect 26 Antigen binding sites of an anibody are locaed in the A. Light chains alone D. Fab regions of the antbody B Heavy chains sioneCF ion of the antbody E. Soft chains alone 27 Nonspecific chemical defenses include D stomach hydrochlorie acid A. lysozyme E. All of the choices are corredt Blacic acid and electrolytes of sweat Cskins...
Name: 43. Antigens can be found on... (a) flagella (b) cell walls (c) human cells (d)...
Name: 43. Antigens can be found on... (a) flagella (b) cell walls (c) human cells (d) all of the above 40. What is the site where stem cells develop and mature into T lymphocytes in humans? (a) spice (b) thymus (c) blood (d) bone marrow 47. Antigen presentation with MHC I molecules sensitizes which type of T cell? (a) cytotoxic T cells (b) helper T cells (c) plasma cells (d) all of the above 48. How does the Tc cell...
QUESTION 6 Select the INCORRECT pairs. Histamine, bradykinin, leukotrienes do not cause constracction of smooth muscles. Immune complex mediated hypersensitivity - Type III hypersensitivity graft rejection - example of type IV hypersensitivity Type IV - T cell or delayed hypersensitivity The tuberculin or PPD test is an example of Type Ill hypersensitivity reaction. Type 1 hypersensitivity - Involves IgE and is immediate. Example is anaphylaxis. QUESTION 7 Which of the following pertain only to exotoxins? Toxic in very small amounts...
Match each description or example with the correct type of hypersensitivity. Type I (acute) hypersensitivity Type II (cytotoxic) hypersensitivity Type III (immune complex) hypersensitivity Type IV (delayed) hypersensitivity Answer Bank Antigens bind to IgE on basophils and mast cells and stimulate them to secrete vasoactive substances. IgG or IgM binds to an antigen, which leads to lysis or opsonization of target cell. T cells elicit a response 12-72 hours after initial exposure. Anaphylactic shock is an example of this type...
Please match the description to the type of hypersensitivity. 1. acute reaction to an allergen mediated by IgE, mast cells, basophils, and histamine (Click to select) 2. a reaction mediated by T cells and the effector cells enlisted by them. Generally, this reaction takes a day or two to develop after exposure to the provoking antigen (Click to select) 3. mediated by IgG antibody-antigen complexes, which are deposited in basement membranes of some organs and invoke an inflammatory response (Click...
A 48-year-old male patient arrives at the hospital after being rescued from a car accident in which he suffered a serious hemorrhage. He needs a blood transfusion to stabilize. Blood typing test discovers he is A+, Which of the following blood types can he receive? Check all that apply. Check All That Apply A+ and A- B+ and B- AB+ and AB- O+ and O- Please match the description to the type of hypersensitivity. 1. acute reaction to an allergen...
I don't know if the answer is correct, please help!
Not yet answered Marked out of 2.00 p Pag question A 35-year-old male presents with headache, fatigue, light-headedness, dyspnea (difficulty in breathing), and tachycardia (rapid heart rate). Laboratory findings reveal anemia, presence of red blood cell spherocytes, and a positive direct Coomb's test (presence of auto-antibodies on red blood cell surfaces). The patient is currently taking an antibiotic for symptoms of upper respiratory infection. These findings suggest that the antibiotics...
QUESTION 13 The only class of antibody that can cross the placenta is IgA. IgD. IgG. IgE. QUESTION 14 Which of the following class of antibody is primarily found in external secretions? IgA IgD IgG IgE QUESTION 15 Epitopes or antigenic determinants are parts of the antibody molecule. are T cell receptors. are a portion of antigen recognized by antibody. may be approximately 10-25 amino acids in length. are a portion of antigen recognized by antibody AND may be approximately...
10- Almost all antibodies in a newborn is are The result of infection b. Self made e IgMd. The result of passive immunity 11- The MMR vaccine is an example of an a. Subunit vaccine b. Toxoid vaccine attenuated d. DNA vaccine 12-Toxoids are used in vaccines against a HIV Diphtheria e Polio di Herpes simplex type ! 13- A positive tuberculin skin test a. Does not necessarily mean that person has tuberculosis b. Indicates that person has been infected...
2s Antigen-Antibody interactons ooour in which of the foliowing ways? A Opsonization BNecation A D. Complement Fixation EAl the above are cormect 26 Antigen binding sites of an anibody are locaed in the A. Light chains alone D. Fab regions of the antbody B Heavy chains sioneCF ion of the antbody E. Soft chains alone 27 Nonspecific chemical defenses include D stomach hydrochlorie acid A. lysozyme E. All of the choices are corredt Blacic acid and electrolytes of sweat Cskins...
Name: 43. Antigens can be found on... (a) flagella (b) cell walls (c) human cells (d) all of the above 40. What is the site where stem cells develop and mature into T lymphocytes in humans? (a) spice (b) thymus (c) blood (d) bone marrow 47. Antigen presentation with MHC I molecules sensitizes which type of T cell? (a) cytotoxic T cells (b) helper T cells (c) plasma cells (d) all of the above 48. How does the Tc cell...
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