Ch.5 -upper extremity (Quiz)

Letter A in the image below labels the

capitulum

How many degrees is the hand rotated for a PA oblique projection of the digit?

45

For the PA projection of the wrist in ulnar deviation, the central ray is directed to the

Scaphoid

The central ray for a PA projection of the wrist is directed to enter the

midcarpal area

Letter D in the figure below labels the

Fifth metacarpal

How many degrees is the central-ray angled for a PA oblique projection of the wrist?

0

Letter B in the figure below labels the_____phalanx of the ____digit.

Distal, second

How many phalanges are there in the thumb?

Two

For a lateral projection of the hand, the central ray Is directed to enter the

Second digit MCP joint

The hand in the figure below was positioned

with the fingers extended and parallel with the IR

For the lateral projection of the forearm, the elbow should be flexed

90 degrees

For exact positioning of the PA oblique wrist, and to ensure duplication in follow-up examinations, w following is required?

45 degrees foam wedge

The carpal bones articulate with the

radius only

Letter E in the figure below labels the

Ulna

Flexing the fingers for a PA projection of the wrist causes which of the following?

Placement of the carpal bones closer to the IR