How does the central ray of the x-ray beam intersect with the image receptor and the teeth of interest when using the bisecting technique?
What will be an ideal response?
The central ray of the x-ray beam should be directed at an imaginary bisector between the long axes of the teeth and the plane of the image receptor.
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Proprioceptors are a type of:
a. chemoreceptor. b. photoreceptor. c. thermoreceptor. d. mechanoreceptor. e. nociceptors.
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Why does ventilation–-perfusion mismatching affect the PaO2 more than the PaCO2? I. CO2 is highly diffusible across the alveolar-capillary membrane. II. The PaCO2 is essentially linear to the CO2 content of the blood. III. The O2 is less than the CO2. IV. The relationship between the PaO2 and the O2 content in the blood is nonlinear
A. III only B. I, II only C. I, II, IV only D. II, III, IV only
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