Tag: zoology

Since, HIV causes AIDS. It affects the T-lymphocytes in the body and thus, cancer of lyphmatic system is more likely to occur in AIDS. 

AIDS (acquired immune deficiency syndrome) is caused by the HIV (human immunodeficiency virus). HIV is transmitted primarily sexually, contaminated blood transfusions, hypodermic needles and from mother to child during pregnancy, breast-feeding.However, AIDS does not spread by mere hand-shake or sharing food.Thus, the correct answer is option (D), 'It can be transmitted by shakehand and sharing food'.

if any pregnant female has AIDS and then without treatment, 1/3rd of children has the chance of getting HIV. That means, if 30 pregnant females AIDS patients are admitted to the hospital, therefore 10 children has the probability of having AIDS. However, this risk can be reduced to about one in 20 if females take the drug called zidovudine. Hence, the correct answer is option C.

AIDS is an infectious disease that spreads through sexual contact. It also spreads through blood transfusion, use of common needles and syringes or from infected mother to her baby during pregnancy or breast feeding.

Human immunodeficiency virus, or HIV, is a human retrovirus that infects lymphocytes and causes AIDS. It spreads through body fluid by sexual intercourse, blood transfusion and through the placenta. Thus, the correct answer is option B.

AIDS is caused by the HIV virus when transferred body fluid from the infected person to the non-infected or healthy ones while sharing infected syringes or blood transfusion or breastfeeding from an infected person to a healthy one, sexual contact etc. Thus, the correct answer is option D.

AIDS and hepatitis-B are sexually transmitted diseases that are spread by contact with infected body fluids which include blood, semen, vaginal fluid or other body fluids through the mucous. Thus the correct answer is option A.