Match the Definitions in Questions with the Mast Cell Mediator

question 5

Multiple Choice

Match the definitions in questions with the mast cell mediator (A-G) that most closely matches it.
-Membrane phospholipid derivative that causes bronchoconstriction,retraction of endothelial cells,and relaxation of vascular smooth muscle

• A)Histamine
• B)Tryptase
• C)Prostaglandin D2
• D)Leukotriene C4
• E)Platelet-activating factor
• F)Interleukin-5
• G)Tumor necrosis factor-a

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Definitions:

Muscle Tension

The condition in which muscles of the body remain semi-contracted for an extended period.

Contraction

The tightening of a muscle in response to a stimulus, which results in movement or tension.

Anaerobic Respiration

A form of respiration using electron acceptors other than oxygen, typically seen in conditions where oxygen is scarce.

Lactate

An ion or ester of lactic acid, which is produced in muscles during intense exercise as a product of anaerobic metabolism.