The recommended vertical angulation for exposing a maxillary premolar periapical radiograph
using the bisecting technique is:
a. +20 degrees
b. +30 degrees
c. +40 degrees
d. +45 degrees
b. To obtain a radiograph with an accurate representation of the maxillary premolar 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 +30 degrees.
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Your patient is an 80-year-old man. He was previously diagnosed by his physician with bradycardia. This means the patient has a history of:
A) slow heart rate. B) fast heart rate. C) slow breathing. D) fast breathing.
Your patient is a 50-year-old motorcyclist who received a lateral impact from an automobile as he went through an intersection. He has an open right tibia/fibula fracture. He also has a fracture of his left forearm and some abrasions. He was wearing a helmet and suffered no loss of consciousness. He currently has a strong radial pulse of 100, his skin is warm and moist, and he has adequate respirations at 20 per minute. Assuming no significant findings during a rapid trauma exam and intact distal neurovascular status, which of the following is the best way to manage this patient's lower extremity trauma?
A) Use anatomical splinting provided by placing the patient on a long backboard.
B) Secure padded long board splints laterally and medially.
C) Apply PASG.
D) Apply a traction splint.
Directing others on how to give medical care without seeing the patients themselves is called care behind the barricade.
Answer the following statement true (T) or false (F)
The portion of the atrium in the right side of the heart that is known as the heart's pacemaker is the:
A. atrioventricular bundle B. sinoatrial (SA) node C. atrioventricular (AV) node D. bundle of His