The major percentage of the heart is ________ muscle, which is the only muscle with automaticity, meaning contractions are controlled by the autonomic nervous system

a. cardiac
b. smooth
c. rough
d. hard


a

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Counting the number and size of electrical interferences created by blood cells as they pass through a small aperture is a description of which of the following principles?

a. Electronic impedance b. Optical scatter c. Conductivity d. Laminar flow

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Erectile malfunction (EM) is the long-term (three months or more) inability to maintain an erection

Indicate whether the statement is true or false

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The interaction of fixer with the silver ions in the emulsion of film produces:

a. sodium carbonate solution. b. a hydroquinone-elon combination. c. silver halide molecules. d. silver thiosulphate complex.

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Premature ventricular complexes that are alike in appearance are called:

A. unifocal. B. multifocal. C. transfocal. D. morefocal.

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