Chapter 4: Hand/Digits

Question 1

Which of the following should be attempted on all patients when performing an x-ray exam of the hand?
1. remove rings and watches
2. have the patient change into a gown
3. use a R or L marker on each image

Answer 1

1 and 3

Question 2

For a PA projection of the second digit, the CR is directed to the

Answer 2

proximal interphalangeal (PIP) joint

Question 3

According to the positioning textbook, why is it recommended that the PA oblique (with medial rotation) projection be performed rather than the PA oblique (with lateral rotation) for the second digit of the hand?

Answer 3

brings part closer to the IR

Question 4

A radiograph of a PA projection of the hand reveals that the distal radius and ulna and the carpals were cut off. What should the technologist do to correct this problem?

Answer 4

Repeat the PA due to missing anatomy of interest

Question 5

A general positioning rule is to place the long axis of the part ____ to the long axis of the image receptor

Answer 5

parallel

Question 6

With the hand flat, the thumb will be in the following position:

Answer 6

Oblique

Question 7

Which position is recommended for localization of a metallic foreign body in the palm of the hand (best demonstrates the metacarpals?

Answer 7

Lateral in extension

Question 8

What is necessary to demonstrate open interphalangeal joint spaces?

Answer 8

digit must be parallel to the IR

Question 9

The patient position most commonly used to perform a radiograph of the 1st digit

Answer 9

is to sit at the end of the table

Question 10

The most common oblique projection for the third through the fifth digit is

Answer 10

PA with lateral rotation

Question 11

The hand is turned palm downward. This movement is called

Answer 11

Pronation

Question 12

The CR angulation for the PA projection of the hand is

Answer 12

0 degrees

Question 13

Most common SID of upper extremity is

Answer 13

40 inches

Question 14

How many degrees is the hand rotated for an oblique of the 3rd digit?

Answer 14

45 degrees

Question 15

How can a radiographer control voluntary motion?
(1) Provide clear instructions
(2) Provide support devices
(3) Apply immobilization

Answer 15

1, 2 and 3

Question 16

Grids are generally not required unless the anatomy measures greater than _____ cm in thickness

Answer 16

10

Question 17

For the “fan” lateral projection of the hand, the CR is directed to the

Answer 17

second metacarpophalangeal (MCP) joint

Question 18

For the PA oblique hand projection, the hand is rotated:

Answer 18

45 degrees

Question 19

For a PA projection of the hand, the CR is directed to the

Answer 19

third metacarpophalangeal (MCP) joint

Question 20

At the most lateral side of the hand, the digit is called the ___ digit

Answer 20

first

Question 21

An image of a hand should display _____ contrast

Answer 21

high

Question 22

T/F: For the lateromedial projection lateral in extension position of the hand it is acceptable for the metacarpals to be rotated.

Answer 22

False

Question 23

Put the carpal bones in the correct order on the distal row beginning on the medial side (medial to lateral)

Answer 23

Hamate, capitate, trapezoid, trapezium