Screening of blood donors can help prevent the spread of AIDS and hepatitis B.

How does hepatitis B spread?

The spread of bird flu can be prevented by

Assertion : Needles should not be used without sterilization. Reason: AIDS and hepatitis-B sproad through body fluid.

Introduction of larvivorous fish in stagnant water can prevent the spread of all given diseases except

Introduction of larvivorous fish in stagnant water can prevent the spread of all given diseases except

(i) Which type of tissues is affected by HIV infection ? (ii) List any two precautios one should take to prevent spread of AIDS ? (iii) Is it necessary to isolate AIDS patients from healthy ones ? Comment.

Blood clotting can be prevented in a test tube by adding a little

Which of the following diseases are transmitted from one person to another ? 1. AIDS 2. Cirrhosis 3. Hepatitis B 4. Syphilis

Consider the following four statement (a-d) and select the option which includes all the correct ones only. a) AIDS is a congenital disease. b) Sloughed cell of benign tumour reach distant site this is called metastasis c) MRI uses strong magnetic field and non ionising radiation to detect pathological changes in living tissue. d) AIDS & hepatitis - B are transmitted through. Infected blood.