adrenal glands, adrenals the endocrine glands responsible for secreting the hormones adrenaline (epinephrine) and noradrenaline (norepinephrine), which regulate bodily functions and affect mood and emotion, blood pressure, blood sugar level, and redistribution of blood between internal organs and voluntary muscles
The paralleling technique using the extension cone, compared with the bisecting angle technique, involvesa. greater vertical angulationb. greater object-to-film distancec. shorter developing timed. shorter anode-to-film distancee. all the above
if the operator wants to change from the long-scale (low contrast) film technique to a short-scale (high contrast) film technique and maintain the same density of the film, what should be done?a. decrease kVp and the mAb. decrease the kVp and increase the mAc. increase the kVp and the mAd. increase the kVp and decrease the mAe. increase the kVp and use the same mA
when using the bisecting angle technique, directing the x-ray beam perpendicular to the long axis of the teeth causesa. an overlapping of tooth imagesb. a reduction of tooth imagesc. a foreshortening of tooth imagesd. an elongation of tooth imagese. a decrease in the penumbra formation
image magnification may be mineralized bya. using a long coneb. using a short conec. placing the film as far away from the tooth as possibled. shortening the exposure time
when changing from a beam indicating device (BID) of 6" with an exposure time of 0.5 seconds to a BID of 12", the new exposure time would be how many secondsa. 1b. 1.5c. 2d. 2.5e. 4.0
which of the following structure is radiolucenta. genial tuberclesb. external oblique ridgec. hamular processd. nasal septume. submandibular fossa
Dental x-rays area. electromagnetic radiationsb. particulate radiationsc. subatonic radiationsd. ultrasonic radiationse. microwave radiations
the largest source of ionizing radiation exposure to a population isa. consumer productsb. medical and dental examinationsc. atmospheric weapons testsd. nuclear energy productione. naturally occurring radionuclides
Which of the following would increase the number of electrons flowing through the dental x-ray electrical circuita. an increase in the milliamperageb. an increase the kilovoltagec. an increase in the PID length
A setting of 85 kVp is equal to how many volts?a. 850b. 8500c. 85,000d. 850,000e. 8,500,000
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