(a) What precaution(s) would you recommend to a patient requiring repeated blood transfusion?
(b) If the advise is not followed by the patient there is an apprehension that the patient might contract a disease that would destroy the immune system of his/her body. Explain with the help of schematic diagram only how the immune system would get affected and destroyed.

Solution

(a) Repeated blood transfusion may result in contracting diseases like AIDS. The recipient must ensure that the donor’s blood is being screened for HIV and other pathogens.
(b) In the absence of such measures, the patient can get infected by HIV (Human Immmunodeficiency Virus) which causes AIDS. It is a threatening disorder that weakens the immune system by attacking helper T-cells in the body.
A schematic diagram showing the cycle of proliferation and effects of retrovirus (HIV) in infected person is as follows :

Some More Questions From Human Health and Disease Chapter

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Human Health And Disease

Some More Questions From Human Health and Disease Chapter

Name the disease caused by Wuchereria bancrofti.

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List two symptoms of ring worm.

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Which type of immune response does T-cells mediate?

Name the two types of T-cells ?

Name the type of immunity mediated by antibodies.

Define autoimmunity.

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