Sexually Transmitted Diseases


 
 
Concept Explanation
 

Sexually Transmitted Diseases

Sexually Transmitted Diseases: Sexually transmitted diseases are caused by a variety of microorganisms (such as bacteria and viruses) that live in the warm and moist environments of the vagina, urethra, anus, etc. STDs occur mostly in individuals who are involved in sexual activity with many partners.

Bacterial infections: Gonorrhea and syphilis are common sexually transmitted bacterial infections. These are caused by bacteria that infect the ureter in men and the cervix in women.

Viral infections: Viruses cause STDs such as herpes, genital warts and cervical cancer. AIDS (Acquired Immune Deficiency Syndrome) is caused by the human immunodeficiency virus (HIV), which attacks the immune system and kills people. The primary route of transmission of HIV is sexual, but it is also spread by the use of infected needles among intravenous drug users, by the transfusion of infected blood, and from an infected woman to her foetus during pregnancy.

Prevention: To prevent sexually transmitted diseases, the following precautions can be taken.

1.  Using a protective covering called condom over the penis.

2.  Using disposable needles and syringes.

3.  Not sharing shaving blades or razors.

4.  Not having multiple sex partners.

5.  Testing and screening the blood for HIV before transfusing it.

Sample Questions
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Question : 1

Which of the following are correct :

(a) Viruses cause STDs such as herpes, genital warts and cervical cancer.

(b) AIDS (Acquired Immune Deficiency Syndrome) is caused by the human immunodeficiency virus (HIV).

(c) Gonorrhea and syphilis are common sexually transmitted bacterial infections.

Right Option : D
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Question : 2

The primary route of transmission of HIV is ___________________________.

Right Option : A
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Question : 3

Which of the following STD's is a bacterial infection ?

Right Option : A
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