Question

Prostaglandins and leukotrienes are produced by:

• A. B cells
• B. Mast cells
• C. Macrophages
• D. NK cells

Hint:

Mast cells release histamine, prostaglandins, and leukotrienes, which are essential mediators of inflammation, especially in allergic responses.

Answer 1

The Correct Option is B

Let's analyze each option:
(1) B cells: B cells are responsible for producing antibodies and are not involved in the production of prostaglandins or leukotrienes. Therefore, this is not the correct answer.
(2) Mast cells: Mast cells are a critical component of the immune response, especially in allergic reactions and inflammation. They produce prostaglandins and leukotrienes, which play a role in mediating these inflammatory processes. Hence, this is the correct answer.
(3) Macrophages: While macrophages are involved in producing inflammatory mediators, they are not the primary source of prostaglandins and leukotrienes. This is not the correct answer.
(4) NK cells (Natural Killer cells): NK cells are involved in killing infected and tumor cells but do not produce prostaglandins or leukotrienes. Hence, this is not the correct answer.
Conclusion: The correct answer is Option 2: Mast cells as they produce prostaglandins and leukotrienes during inflammatory responses.