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CBSE Gujarat Board Haryana Board

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Class 10 Class 12

Which one of the following statements is correct with respect to AIDS?

  • The HIV can be transmitted through eating food together with an infected person

  • Durg addicts are least susceptible to HIV infection

  • AIDS patients are being fully cured cent percent with proper care and nutrition

  • The causative HIV retrovirus enters helper T- lymphocytes thus reducing their numbers.


D.

The causative HIV retrovirus enters helper T- lymphocytes thus reducing their numbers.

AIDS (Acquired Immuno Deficiency Syndrome) is a viral disease of the immune system. It is caused by virus Human Immunodeficiency Virus (HIV). In AIDS patients, the virus homes on CD4 + T -cells (helper T - lymphocytes), infecting and killing them until none are left. Without their crucial immune system cells, the body cannot mount a defence against invading bacteria or viruses. AIDS patient dies off infections that a healthy person could fight off.

AIDS (Acquired Immuno Deficiency Syndrome) is a viral disease of the immune system. It is caused by virus Human Immunodeficiency Virus (HIV). In AIDS patients, the virus homes on CD4 + T -cells (helper T - lymphocytes), infecting and killing them until none are left. Without their crucial immune system cells, the body cannot mount a defence against invading bacteria or viruses. AIDS patient dies off infections that a healthy person could fight off.

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What is disease ?

Malfunctioning of one or more organs characterised by signs and symptoms is called disease.
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What is the significance of ‘Typhoid Mary’ ?

Typhoid Mary was a Typhoid carrier who continued to spread typhoid for several years through food she prepared.
616 Views

What is health ?

It is a state of complete, physical, mental and social well being of a person.
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Name three important aspects to maintain good health.

(i) Balanced diet (ii) Personal hygiene and (iii) Regular exercise.
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List advantages of good health.

Healthy people are more efficient and productive. good health also brings prosperity and people live long. It also reduces infant and maternal mortality.
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