A Scuba Diver Typically Begins a Dive with a Compressed

question 27

Multiple Choice

A scuba diver typically begins a dive with a compressed air tank at 2,350 psi. What is this pressure expressed in units of mm Hg?

• A)160. mm Hg
• B)3.09 mm Hg
• C)1.21 × 10⁵ mm Hg
• D)1.79 × 10⁶ mm Hg
• E)45.5 mm Hg

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Definitions:

Atelectasis

A condition in which the lung or a part of the lung collapses, preventing respiratory exchange of carbon dioxide and oxygen.

Lungs

The pair of respiratory organs in the chest where blood is oxygenated and carbon dioxide is removed.

Dilation

The process of expanding or widening an opening or structure in the body, often referring to blood vessels, the pupil of the eye, or the cervix during childbirth.

Collapse

The sudden failure or loss of strength leading to a fall or the falling in of something, such as a structure.