The AV node has an intrinsic rate of self-excitation, which is ________ beats per minute

A) 20 to 40
B) 40 to 60
C) 60 to 100
D) 80 to 100

B

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Initial hospital care codes can be used only once by the ____________________ provider

Fill in the blank(s) with correct word

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Early versions of AEC technology were referred to as

a. photometers. b. phototimers. c. photosensors. d. voltage regulators.

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