Practicing Success

Target Exam

CUET

Subject

Biology

Chapter

Human Health and Disease

Question:
AIDS is caused by the Human Immuno deficiency Virus (HIV), a member of a group of viruses called retrovirus. People who are at high risk of getting this infection includes - individuals who have multiple sexual partners, drug addicts who take drugs intravenously, individuals who require repeated blood transfusions and children born to an HIV infected mother. . It is important to note that HIV/AIDS is not spread by mere touch or physical contact; it spreads only through body fluids. It is, hence, imperative, for the physical and psychological well-being, that the HIV/AIDS infected persons are not isolated from family and society. There is always a time-lag between the infection and appearance of AIDS symptoms. This period may vary from a few months to many years (usually 5-10 years).
Why AIDS remain undetected for so long?
Options:
Because of long window period.
Because of less window period.
Because detection is based on enzyme-enzyme reaction.
Lymphadenopathy.
Correct Answer:
Because of long window period.
Explanation:
Because, window period(the time between HIV exposure and when a test can detect HIV in your body) ranges from a few months to 5-10 year. Average incubation period is of 28 months.