Question

The Kupffer cells of the liver ________.

1) destroy damaged RBCs
2) destroy bacteria
3) present antigens
4) are phagocytic
5) All of the answers are correct

Answer 1

The Kupffer cells of the liver are involved in a variety of functions including phagocytosis, destruction of damaged red blood cells, removal of bacteria, and antigen presentation; thus, all of the answers listed in the question are correct.

Step-by-step explanation:

The Kupffer cells of the liver are specialized macrophages that reside in the liver tissue. Their primary functions include being highly phagocytic, as well as having roles in the destruction of damaged red blood cells (RBCs), the clearing of bacteria, and the presentation of antigens to the immune system. Therefore, Kupffer cells:

1. Destroy damaged RBCs,
2. Destroy bacteria,
3. Present antigens,
4. Are phagocytic.

All the options given in the question describe different functions of the Kupffer cells, so the correct answer is that the Kupffer cells of the liver do all of the mentioned activities, making option 5) All of the answers are correct the appropriate choice.