How is correct horizontal angulation achieved when using the paralleling technique?
What will be an ideal response?
When using the paralleling technique, the correct horizontal angulation is achieved when the image receptor itself is positioned parallel to the teeth of interest in the horizontal dimension and by directing the central rays of the x-ray beam perpendicular to the image receptor in a horizontal plane through the embrasure of two predetermined teeth.
Health Professions
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Dr. Ignaz Semmelweiss is noted for which health care technique that reduced the rate of deaths in treating women in childbirth?
A) Bloodletting B) Human autopsies C) Hand washing D) Immunization
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An annual purified protein derivative (PPD) test may be administered to determine:
A. MRSA exposure. B. hepatitis exposure. C. HIV/AIDS exposure. D. tuberculosis (TB) exposure.
Health Professions