A Patient Has Sprained Her Knee in a Game of Basketball

question 33

Multiple Choice

A patient has sprained her knee in a game of basketball and presents with swelling and pain. Which of the following statements best describes why the swelling occurs?

• A) Leukotrienes make blood vessels more permeable, leading to the delivery of immune system cells to the damaged tissue.
• B) Broken blood vessels bleed into the injured area, making it swell.
• C) The increase in temperature by prostaglandins results in increased blood flow to the area.
• D) Thromboxanes isolate the injured tissue, resulting in swelling.
• E) All of the above

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Definitions:

Marginal Cost

An uplift in the sum total of costs incurred by producing another unit of a product or service.

Average Fixed Cost

The fixed costs of production (such as rent and salaries) divided by the number of goods produced; it decreases as output increases.

Mixers

Devices or software used for blending different audio signals together, often used in music production, live performances, and broadcasting.

Cakes

Baked dessert items typically made from ingredients like flour, sugar, eggs, and butter.