Image receptor contrast is expressed as the ____ of the D log E curve.

a. slope
b. toe
c. shoulder
d. straight line


a. slope

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A heart rate above 100 beats per minute without evidence of P waves on the EKG tracing is indicative of:

a. sinus tachycardia. b. sinus bradycardia. c. atrial fibrillation. d. supraventricular tachycardia.

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DNA is made up of nucleotides. How many bases do nucleotides have?

a. Two b. Three c. Four d. Five

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Which of the following best defines an aerosol?

a. Suspension of liquid droplets in a gas b. Suspension of particulate matter in a gas c. Molecular water dispersed throughout a carrier gas d. Suspension of liquid or solid particles in a gas

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Which of the following is anobjective designation or diagnosis made by a medical or health professional?

A. Disease B. Sick role C. Illness D. None of the above

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