What is the area between the x-ray source and the image receptor that will be recorded in relative detail on the resultant radiograph called?
A) Negative shadow
B) Ghost image
C) Focal trough
D) Rotational center
C
Explanation: A) The focal trough or focal layer is where the dental arches should be positioned to achieve the sharpest image. The focal trough is that area between the x-ray source and the image receptor that will be imaged distinctly on the panoramic radiograph.
B) The focal trough or focal layer is where the dental arches should be positioned to achieve the sharpest image. The focal trough is that area between the x-ray source and the image receptor that will be imaged distinctly on the panoramic radiograph.
C) The focal trough or focal layer is where the dental arches should be positioned to achieve the sharpest image. The focal trough is that area between the x-ray source and the image receptor that will be imaged distinctly on the panoramic radiograph.
D) The focal trough or focal layer is where the dental arches should be positioned to achieve the sharpest image. The focal trough is that area between the x-ray source and the image receptor that will be imaged distinctly on the panoramic radiograph.
You might also like to view...
Paroxysmal nocturnal hemoglobinuria is:
a. Inherited as an X-linked recessive trait b. Acquired as a clonal disorder c. Inherited as an autosomal dominant disorder d. Acquired after a viral infection
After initial employment, staff training regarding patient rights is to occur ________
a. every 6 months b. annually c. twice a year d. every other year
Which example of nonverbal body language might a patient perceive as a negative attitude from a team member?
a. tightly folded arms b. direct eye contact c. leaning toward patient d. head nodding in agreement
A patient's medical record constitutes the ________ record of the medical practice.
A. Established B. Legal C. Valid D. Official