Which of the Following BEST Describes When an SCBA Cylinder

question 17

Multiple Choice

Which of the following BEST describes when an SCBA cylinder needs to be replaced?

• A) After first use of cylinder
• B) When the cylinder becomes completely empty
• C) While performing short-term work in emergency operations
• D) During inspection if cylinder contains less than 90% of capacity

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Definitions:

ECG

Electrocardiography, a medical test that records the electrical activity of the heart to check for different heart conditions.

P-R Interval

The P-R interval indicates the time measurement from the start of the atrial depolarization to the beginning of ventricular depolarization on an electrocardiogram (ECG).

R-R Interval

The time interval between two consecutive R-waves in an electrocardiogram (ECG), representing one cardiac cycle.

Blood Turbulence

The chaotic, non-laminar flow of blood, which may produce audible sounds and is often detected in conditions of high blood flow velocity or anatomical abnormalities in the heart or blood vessels.