Asked in PMC Practice Test 14 (2021) 2021Moderate

Where does the AIDS virus infect?

Correct answer: C. Leukocytes

  • A. RBCs
  • B. Platelets
  • C. Leukocytes
  • D. None of these

Explanation

The human immunodeficiency virus (HIV) infects leukocytes, also known as white blood cells. These cells are part of the body's immune system and help fight infection. HIV targets a specific type of leukocyte called a CD4+ T cell. CD4+ T cells help the body fight infection by signaling other immune cells to attack the invading organism.

Last updated

About AIDS and HIV Infection

HIV is a retrovirus that infects CD4 T lymphocytes and gradually weakens immune function, while AIDS is the advanced syndrome caused by severe immune deficiency. Coverage includes viral transmission, replication, disease progression, opportunistic infections, diagnosis, prevention and the difference between HIV infection and AIDS.

Practise Acellular Life

342 free Acellular Life MCQs from Biology, each with the correct answer and an explanation. Unlimited attempts, no account needed.

Exams that ask Biology questions like this

Biology is on 6 papers prepared for on TestUstad, and all of them draw the same bank, so this question is worth knowing for every one of them.

Related questions