The causative organism for AIDS was identified in the year:
**Core Concept**
The identification of the causative organism for AIDS marked a significant milestone in the understanding and management of the disease. The discovery involved identifying the virus responsible for the acquired immune deficiency syndrome.
**Why the Correct Answer is Right**
The causative organism for AIDS is the Human Immunodeficiency Virus (HIV). HIV is a lentivirus that targets and gradually destroys the CD4+ T lymphocytes, leading to a weakened immune system. The virus is transmitted through bodily fluids and can be spread through sexual contact, blood transfusions, and mother-to-child transmission. The identification of HIV as the causative agent of AIDS revolutionized the approach to the disease, enabling the development of antiretroviral therapy (ART) and other treatment options.
**Why Each Wrong Option is Incorrect**
**Option A:** This option is incorrect because it is not the correct year when the causative organism for AIDS was identified.
**Option B:** This option is incorrect because it is not the correct year when the causative organism for AIDS was identified.
**Option D:** This option is incorrect because it is not the correct year when the causative organism for AIDS was identified.
**Clinical Pearl / High-Yield Fact**
The identification of HIV as the causative agent of AIDS was a major breakthrough in the field of medicine, enabling the development of effective treatments and prevention strategies for the disease.
**Correct Answer: C. 1984**