These are released by host cells in response to viral stimulation. Some act to prevent viral infection of nearby susceptible host cells. Compliment Histamine Interferons Prostaglandins
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- Which of these offers a nonspecific defense against viral infection? a. Antibodies b. Leukotrienes c. Interferon d.HistamineWhat feature of CGD phagocytes is defective?a. the ability to engulf pathogensb. production of toxic forms of oxygenc. mechanisms to eliminate virusesd. chemotaxisWhen virus enters into our body, many cells acquire antiviral state due to: a Acquiring resistance b. Interleukin production C. Antigen production d. Antibody production e. Interferon production
- Explain the characteristics of HIV and its infection that make it achallenging target for the immune system and for drugs.Macrophages perform the final job of removingtissue debris and other products of infection.Indicate some of the possible effects when thesescavengers cannot successfully complete thework of phagocytosis.Based off of the concept of the COVID-19 vaccination, which of the following conditions is very similar to that same concept used to develop immunity to the COVID-19 virus?a. postinfectious arthritisb. type I diabetesc. lupusd. heart attackse. grave’s disease
- If a person is attacked by corona virus what strategies body will opt to eliminate it and why defence syatem fails?Interferon is a mechanism used to protect the cell that becomes infected with a virus.A. TrueB. FalseWhich of the following is more effective against bacteria than viruses? Type 1 Interferon Type 2 interferon Antibodies NK cells CytotoxicTcells
- Human leukocyte antigens (HLAs) are involved ina. cell-mediated immunity. d. complement.b. antibody-mediated immunity. e. All of these are correct.c. the infl ammatory response.Both vaccine and colostrum produce immunity. Name type of immunity produced by these.“Type I interferons serve as the first line of defence against viral infections”. Give a schematic representation of their mechanism of action and also explain how they interfere with viral replication.