Friday, 8 January 2016

Latest Bio-technology Interview Questions and Answers

41. What is type IV hypersensitivity?
It is cell-mediated hypersensitivity. Typical manifestations include graft rejection, dermatitis etc.

42. What is serum sickness?
When an individual is exposed to foreign serum antigen then a combination of symptoms are produced which is called as serum sickness.

43. Give some symptoms of serum sickness.
Symptoms include fever, weakness, rashes, with erythema and edema. Serum sickness depends on the immune complexes formed and the size of the complexes.

44. Name some Infectious diseases.
Some of the Infectious diseases are Malaria, meningitis, trypanosomiasis, hepatitis etc…

45. Name some autoimmune diseases.
Rheumatoid arthritis, systemic lupus erythematosus, good pasture’s syndrome

46. How many types of hypersensitive reactions are there?
There are four types of hypersensitive reactions, they are:
Type I hypersensitive reaction
Type II hypersensitive reaction
Type III hypersensitive reaction
Type IV hypersensitive reaction

47. What are the steps in bacterial infection?
There are four steps in bacterial infection. They are:
Attachment to host
Proliferation
Invasion of host tissue
Toxin-induced damage to host cell

48. What is the disease caused by Rotavirus?
The disease caused by rotavirus is infantile diarrhea.

49. What is the disease caused by Sabia virus?
Brazilian haemorrhagic

50. What is the disease caused by Ebola virus?
Ebola haemorrhagic fever

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