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Adaptive Immunity questions
1. In which scanario is the Fragment Crystallizable (Fc)
potion not needed?
a. Oposonization
b. Adaptive Dependent Cell cytotoxicity
c. Neutralization
d. Antibody activation of C1q
2. Which antibody istotope binds with the highest
avidity?
a. IgM
b. IgE
c. IgA
d. IgG
e. IgD
3. Which part of the antibody enables binding to
repeated epitopes of variable distance?
a. constant region
b. light chain
c. heavy chain
d. hinge
e. none of the above
4. Antibodies:...
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Please answer the following questions (33-39)
Which of the following compounds is released by a virally
infected cells to warn neighboring cells?
A. Interferon
B. Gammaglobulin
C. C9
D. Endotoxin
E. None of the above
The epitope binding region of an IgG antibody is…
A. Located in the constant region between the two heavy
chains
B. Located in the variable region between the two ends of the
short chains
C. Formed between the ends of the heavy and light chain...
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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...
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Case Study: As a member of a research team studying a tribe found in a remote region of New Guinea, you make the astonishing discovery that they have only two V genes for the L chain and three V genes for the H chain of immunoglobulins. Nevertheless, they seem healthy and able to resist the diversity of pathogenic organisms endemic to the area. Suggest how this might be accomplished 1. The DNA for an H chain in a B cell...
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1. The first line of defense include all of the
following except
(a) mucous membranes and skin
(b) Inflammation and fever
(c) physical and chemical barriers
(d) coughing and sneezing
2. When B cells or T cells recognize an antigen they
will eventually make many copies of themselves. Which of the
following is the correct order of events?
(a) Clonal selection, clonal expansion, clonal deletion
(b) clonal expansion, clonal selection, clonal deletion
(c) clonal deletion, clonal selection, clonal expansion
(d)...
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All the answers please,.
Question 23 (2 points)
How many Fab fragments are found on one IgG antibody?
Question 23 options:
A)
1
B)
3
C)
2
D)
4
E)
10
Question 24 (2 points)
Which of the following is more likely to be loaded with
endogenous (intracellular) peptide?
Question 24 options:
A)
MHC class II
B)
MHC class I
C)
CD28
D)
T cell receptor
Question 25 (2 points)
Which antibody can cross epithelial layers to enter the
intestinal...
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Could I get all the answers please,, thank you,,
Question 35 (2 points)
Which cell type is capable of producing antibodies?
Question 35 options:
A)
B cells
B)
T cells
C)
macrophages
D)
neutrophils
E)
both A and B
Question 36 (2 points)
This antibody is pentameric in structure and is the better at
stimulating complement than other antibody classes (can form a
staple conformation):
Question 36 options:
A)
IgM
B)
IgE
C)
IgD
D)
IgA
E)
IgG
Question 37...
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immunology
practing samples and not sure if my answers correct.
1. NK cells are effective against viral infections because many virus infected cells a. are susceptible to lysis b. are susceptible to phagocytosis c. show reduced levels of MHC class I molecules d. show reduced levels of MHC class II molecules e. none of the above 2. Arachidonic acid serves as a substrate in the lipoxygenase and cyclooxygenase pathways resulting in the production of a. histamine, leukotrienes b. leukotrienes, prostaglandins...
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Could you help with any of these ? and provide an explanation
so I'll understand? thank you so much
Circle all that apply 1) A patient has inherited two defective genes for TAP2 (remember the case study from before) Which of the following are true? (circle all that apply): - The patient will have a scarcity of CD4+ T helper cells -MHC class I molecules will not be expressed to any extent on the patient's cells -MHC class II molecules...
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12. Antimicrobials may a. produce allergic reactions b. produce toxic effects not only to the microbe but to the hoat c. kill bacteria in our bodies all the above 13. All of the following pertain to the role ofactivated helper T cells in cellular mediatesd immunity except a. differentiation into memory Th cells b. recognize MHC with antigenic peptide on macrophages c. activate Te cells indirectly lead to cytolysis through complement e. indirectl y lead to phagocytosis of large microorganisms...
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...
Case Study: As a member of a research team studying a tribe found in a remote region of New Guinea, you make the astonishing discovery that they have only two V genes for the L chain and three V genes for the H chain of immunoglobulins. Nevertheless, they seem healthy and able to resist the diversity of pathogenic organisms endemic to the area. Suggest how this might be accomplished 1. The DNA for an H chain in a B cell...
immunology
practing samples and not sure if my answers correct.
1. NK cells are effective against viral infections because many virus infected cells a. are susceptible to lysis b. are susceptible to phagocytosis c. show reduced levels of MHC class I molecules d. show reduced levels of MHC class II molecules e. none of the above 2. Arachidonic acid serves as a substrate in the lipoxygenase and cyclooxygenase pathways resulting in the production of a. histamine, leukotrienes b. leukotrienes, prostaglandins...
Could you help with any of these ? and provide an explanation
so I'll understand? thank you so much
Circle all that apply 1) A patient has inherited two defective genes for TAP2 (remember the case study from before) Which of the following are true? (circle all that apply): - The patient will have a scarcity of CD4+ T helper cells -MHC class I molecules will not be expressed to any extent on the patient's cells -MHC class II molecules...
12. Antimicrobials may a. produce allergic reactions b. produce toxic effects not only to the microbe but to the hoat c. kill bacteria in our bodies all the above 13. All of the following pertain to the role ofactivated helper T cells in cellular mediatesd immunity except a. differentiation into memory Th cells b. recognize MHC with antigenic peptide on macrophages c. activate Te cells indirectly lead to cytolysis through complement e. indirectl y lead to phagocytosis of large microorganisms...