Which One of the Following Statements Indicates That the EMT

question 93

Multiple Choice

Which one of the following statements indicates that the EMT has a correct understanding of the use of oxygen in the prehospital setting?

• A) "Oxygen should be withheld from a patient with chronic obstructive pulmonary disease."
• B) "If the patient has a poor tidal volume, oxygen should be administered at 15 lpm through a nonrebreather mask."
• C) "Oxygen should never, ever be withheld from a patient you think may need it ."
• D) "If providing positive pressure ventilation, lower concentrations of oxygen may be used."

---

Definitions:

Power Factor

A dimensionless number between 0 and 1 that measures the efficiency of an electrical system, calculated as the ratio of real power to apparent power.

Voltage

The electrical potential difference between two points in a circuit, measuring the energy required to move a unit charge between those points.

Current

The flow of electric charge through a conductor, a fundamental concept in electrical and electronic circuits.

Wye-Connected

A method of connecting three-phase motors or transformers where the ends are connected to form a "Y" shape, facilitating the use of both line and phase voltages.