The Diagram Shows a Generalized Cross Section of the Marine

question 48

Multiple Choice

The diagram shows a generalized cross section of the marine environment with various zones labeled with letters. Choose the letter that best answers the question. Letters may be used once, more than once, or not at all.

-Which zone produces the most global oxygen gas?

• A) A
• B) B
• C) C
• D) D
• E) E

---

Definitions:

Myocardial Infarction

Necrosis of a portion of cardiac muscle caused by obstruction in a coronary artery.

Coronary Artery

An artery that supplies blood to the heart muscle itself, vital for heart function and health.

Ischemia

Decreased blood supply to a body part such as skin tissue or to an organ such as the heart.

Pulse Oximetry

A noninvasive method used to measure the oxygen saturation level of the blood.