Consider the following conditions of sick human body 1. 1. Swollen lymph nodes 2. 2. Sweating at night 3. 3. Loss of memory 4. 4. Loss of weight Which of these are the symptoms of AIDS?

1. The question asks which of the listed conditions are symptoms of AIDS (Acquired Immunodeficiency Syndrome). 2. AIDS is the late stage of HIV infection, characterized by a severely damaged immune system, leading to various opportunistic infections and symptoms. 3. Symptom 1: Swollen lymph nodes (lymphadenopathy) - This is a common early and persistent symptom of HIV infection and can be present in AIDS. 4. Symptom 2: Sweating at night (night sweats) - This is a common symptom associated with various infections and conditions, including advanced HIV/AIDS. 5. Symptom 3: Loss of memory - Cognitive impairment, including memory loss (AIDS dementia complex), can occur in advanced stages of AIDS. 6. Symptom 4: Loss of weight (wasting syndrome) - Significant unexplained weight loss is a common symptom of AIDS. 7. All four listed conditions (Swollen lymph nodes, Sweating at night, Loss of memory, Loss of weight) can be associated with AIDS. 8. Therefore, the correct option including all four is (D).