Which type of rate-of-rise detector uses a system of thermistors that produce a change in electrical resistance when exposed to heat?
A. Rate-compensated detector
B. Electronic spot-type heat detector
C. Pneumatic rate-of-rise line detector
D. Pneumatic rate-of-rise spot detector
B
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There are ______ retinacula located in the area of the chest, anterior shoulder, and upper arm
a. 1 b. 2 c. 3 d. 4 e. 5
The cardiac muscle receives its supply of oxygenated blood by which of the following mechanisms?
A) Absorption of oxygen from the blood returning from the lungs B) Coronary arteries that branch off the aorta C) Coronary veins that branch off the pulmonary vein as it returns oxygenated blood to the heart D) None of the above
____________________________ _ Proofreading is essential to written communication
Indicate whether the statement is true or false.
Which condition is indicated by a heart rate of 130-250 bpm that lasts for only a few seconds?
A) Premature ventricular contractions B) Paroxysmal atrial tachycardia C) Premature atrial contractions D) Atrial fibrillation