Which Eicosanoid Acts as an Inflammatory Mediator That Also Regulates

question 89

Multiple Choice

Which eicosanoid acts as an inflammatory mediator that also regulates smooth muscle contraction?

• A) prostaglandin
• B) prostacyclin
• C) thromboxane
• D) leukotriene

Describe the structure and function of various lipids including fats, oils, phospholipids, and sterols.

Explain the concept of micelles, their formation, and their role in the action of soaps and detergents.

Understand the properties and reactions of fatty acids and their derivatives.

Describe the chemical characteristics and uses of different lipid-related substances such as triglycerides, prostaglandins, and phospholipids.

---

Definitions:

Pivot

Pivot refers to a central point, pin, or shaft on which a mechanism turns or oscillates, enabling movement or rotation around a single axis.

Synovial Fluid

A lubricating fluid produced by the synovial membrane in joint cavities, aiding in smooth joint movements by reducing friction.

Articular Cartilage

Hyaline cartilage covering the ends of bones within a synovial joint.

Lubricating Film

A thin layer of liquid or semi-liquid substance applied to surfaces to reduce friction and wear.