The EMT Shows That He Understands the Difference Between a Pneumothorax

question 3

Multiple Choice

The EMT shows that he understands the difference between a pneumothorax and a tension pneumothorax when he makes what statement?

• A) "A tension pneumothorax causes blood to accumulate around the lung; a pneumothorax involves the accumulation of only air around the lung."
• B) "A tension pneumothorax causes cardiac output to decrease; a simple pneumothorax does not affect cardiac output."
• C) "A pneumothorax describes a collapsed lung; a tension pneumothorax involves both a collapsed lung and blood loss."
• D) "A pneumothorax is caused by a closed chest injury; a tension pneumothorax is caused by an open chest injury."

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Definitions:

No-Load Voltage

The voltage of an electrical device or circuit when no load is connected, representing its maximum voltage output.

Internal Resistance

The resistance inherent to a power source.

Cell

The basic structural, functional, and biological unit of all living organisms, or a device that converts chemical energy into electrical energy in a battery.

Specific Gravity

A dimensionless number that describes the ratio of the density of a substance to the density of a reference substance, typically water at 4 °C.