The recommended vertical angulation for exposing a mandibular canine periapical radiograph
using the bisecting technique is:
a. -10 degrees
b. -15 degrees
c. -20 degrees
d. -5 degrees
c. To obtain a radiograph with an accurate representation of the mandibular canine the central ray of the x-ray beam should be directed toward the imaginary bisector between the long axis of the canine and the plane of the image receptor in the vertical dimension at -20 degrees.
You might also like to view...
Fusion of right finger phalangeal joint, percutaneous endoscopic approach
Select the correct PCS codes: A) 080N07Z B) 080PX7Z C) 0RGW04Z D) 0RGW4ZZ
The fixed angle of the seat to back is an advantage of the:
a. tilt-in-space wheelchair. b. reclining-back wheelchair. c. amputee wheelchair. d. fixed-frame wheelchair.
An allergic skin reaction that is also known as hives is:
a. contact dermatitis b. angioedema c. urticaria d. laryngeal edema
You have been called to transport a patient who is suffering from an illness that has impaired the ability of the involuntary muscles to contract. Which of the following conditions would you expect?
A) Decreased movement of wastes through the large intestine B) Decreased heart rate and increased blood pressure C) Difficulty in walking and grasping objects with his hands D) Difficulty in maintaining an upright posture