The bending or forcing of the hand toward the lateral side of the forearm is know as (with hand pronated, PA projection)?
Ulnar flexion (deviation)
A radiograph of a PA oblique of the hand reveals that the midaspect of the 4th and 5th metacarpals are partially superimposed. What is the specific postitioning error?
Excessive lateral rotation
Which one of the following carpal bones articulates with the thumb?
Trapezium
An ellipsoidal joint allows movement in ____ directions?
Four
Which basic projection of the elbow best demonstrates the trochlear notch?
Lateral
A ginglymus joint can also be referred to as?
hinge (ginglymus)
The interphalangeal joints have a ______ type of joint movement.
ginglumus (hinge)
To minimize distortion generally requires that the CR be ________ to the part of the film
perpendicular
A radiograph of an AP oblique elbow with medial rotation reveals that the radial head is superimposed over part of the coronoid process. What positioning error has been committed?
Excessive medial rotation
True or False. the skin dose for a lateral elbow is in the 75-100 mrad range.
