1.) Ibu, a 39-year-old busy dad of three kids, finally gets the time to relax one...

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Biology

1.) Ibu, a 39-year-old busy dad of three kids, finally gets thetime to relax one lazy Sunday afternoon. Ibu is feeling tired butfigures he is run-down from the busy week. Within just a few hours,Ibu finds himself laying in bed with chills and the onset of afever. Ibu works at a hospital and wonders if he has contracted thevirus which causes COVID-19.
1a.) What type of second line of defensenon-specific immune cell is going to communicatewith the third line of defense to help fight Ibuâ€™s viral infection?(1p)
1b.) List the major third line of defense specificlymphocytes and their functions in fighting off Ibuâ€™sviral infection. (3pts)
Third Line of Defense Lymphocytes
Functions
1c.) Fill in the blanks. A cytotoxic T cellwill bind to the SARS-CoV-2 epitope presented on MHC I found on_______ host cells. (1p)
1d. ) Which type of third line of defense specificlymphocyte is required to help â€œactivateâ€ the cytotoxic Tcell (Th1 or Th2)? (1p)
1e.) Fill in the blanks. B cells willphagocytize and present the epitope on _ (MHC I or MHC II)and become active through costimulation from _____ (Th1 or Th2)(T cell dependent activation). (1pt)
1f.) Which three major antibodies are produced by plasma B cellsin response to Ibuâ€™s viral infection? State where they are found inthe body. (3pts)
Antibodies
Where they are found in the body
1g.) Compare and contrast what Ibuâ€™s immune response to thevirus would look like with and without a vaccine. (4pts)
With Vaccination
Without Vaccination
Speed of Immune Response (faster OR slower)
Production of Antibodies
(more OR less)
2^nd Line of defense Cells (all ORnone) Hint: Is your 2^nd line of defense alwayson patrol?
3^rd Line of defense Cells (memory ORplasma)

Answer & Explanation Solved by verified expert

4.4 Ratings (719 Votes)

1.a basophils.It produce some chemicals such as histamine which help to activates the third line immune systems.

1 b.T lymphocyte and B lymphocytes.T Lymphocytes identified the antigen affected cells and destroy the cells.B lymphocytes are produced antibodies for particular antigens.

1c. T cell receptors

1d.helper T cells help CTL actvities.MainlyTh1 is more supportive case in viruses and bacteria

1e.MHC1 and Th1

1f.IgA,IgD,IgG.Almost these antibodies present in the blood plasma and lymph

1,g.Â Â Â with vaccineÂ Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â without vaccine

Â Â Â Â Â Â Â speedÂ Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â slow

Â Â Â Â Â Â Â moreÂ Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â less

Â Â Â Â Â Â allÂ Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â all

Â Â Â Â Â Â memoryÂ Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â plasma

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	With Vaccination	Without Vaccination
Speed of Immune Response (faster OR slower)
Production of Antibodies (more OR less)
2^nd Line of defense Cells (all ORnone) Hint: Is your 2^nd line of defense alwayson patrol?
3^rd Line of defense Cells (memory ORplasma)

Third Line of Defense Lymphocytes	Functions