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Question
What are the cells involved innate immune system?
Solution
Cells involved in innate immunity are monocytes (macrophages), neutrophils, helper T-cells, B-cells, dendritic cells.
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RELATED QUESTIONS
Differentiate between
Active and passive immunity
Which blood cells secrete antibodies?
Crypts of lieberkuhn are present in ______.
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| When a microorganism invades a host, a definite sequence of events usually occurs leading to infection and disease, causing suffering to the host. This process is called pathogenesis. Once a microorganism overcomes the defence system of the host, development of the disease follows a certain sequence of events as shown in the graph. Study the graph given below for the sequence of events leading to the appearance of a disease and answer the questions that follow: |
(a) In which period, according to the graph there are maximum chances of a person transmitting a disease/infection and why? (1)
(b) Study the graph and write what is an incubation period. Name a sexually transmitted disease that can be easily transmitted during this period. Name the specific type of lymphocytes that are attacked by the pathogen of this disease. (2)
OR
(b) Draw a schematic labelled diagram of an antibody. (2)
(c) In which period, the number of immune cells forming antibodies will be the highest in a person suffering from pneumonia? Name the immune cells that produce antibodies. (1)
Interferons are proteins. In humans they are secreted by ______.
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A patient was given an anti-retroviral drug by the doctor.
Which disease was the patient diagnosed with?
The following is well-known abbreviation, which have been used in this chapter. Expand to its full form:
CMI
