Wrist

Question 1

The PA oblique wrist with medial rotation, ulna up, will demonstrate?

Answer 1

pisiform without superimposition

Question 2

What position will demonstrate the thumb in an oblique position?

Answer 2

PA hand

Question 3

What 2 carpal bones are considered medial?

Answer 3

Hamate (unciform), Pisiform (os pisiform)

Question 4

What 2 carpal bones are considered lateral?

Answer 4

Navicular (scaphoid), Greater Multangular (Trapezium)

Question 5

The CR should enter where for a PA projection of the wrist?

Answer 5

Posterior wrist at the mid carpal region

Question 6

The proper SID for a mag wrist series is?

Answer 6

40

Question 7

Why should you cup the fingers for the PA wrist position?

Answer 7

Places the wrist closer to the IR

Question 8

What is the best position to demonstrate the carpal interspaces?

Answer 8

AP Supinated

Question 9

When performing the mag wrist exam, where will the CR be directed for the lateral position?

Answer 9

Navicular/ Scaphoid

Question 10

What is the routine wrist study?

Answer 10

PA, Lateral, PA oblique with lateral rotation, PA Oblique with medial rotation

Question 11

List the proximal row of carpal bones beginning on the lateral surface.

Answer 11

Navicular (Scaphoid), Lunate (Semi Lunar), Triquetrum (triangular), Pisiform (OS pisiform)

Question 12

List the proximal row of the carpal bones beginning on the medial surface.

Answer 12

Pisiform. Triquetrum, Lunate, Navicular

Question 13

What is the largest carpal bone?

Answer 13

Capitate (OS magnum)

Question 14

How of you position a patient for an ulnar variance study?

Answer 14

patients arm abducted a full 90 degrees from the body and the elbow flexed a full 90 degree

Question 15

What is the correct OID for the magnification wrist study?

Answer 15

6’’

Question 16

What is the proper degree of rotation when performing an oblique wrist?

Answer 16

45

Question 17

Another name for boney detail?

Answer 17

Trabeculae, Spongey Detail

Question 18

What anatomy must be included within the collimation when performing any wrist study?

Answer 18

1/2 metacarpals, 2’’ below styloid processes

Question 19

when performing a lateral position of the wrist what is the positioning criteria used to judge if it is a well positioned study?

Answer 19

Superimposition of radius and Ulna, Superimposition of the base of the metacarpals, superimposition of the styloid processes

Question 20

When performing aa magnification wrist in the lateral flexion position what specific pathology will be demonstrated

Answer 20

Carpal Boss

Question 21

Explain the term radial deviation is when performing the position mag wrist study.

Answer 21

Towards the radius, Radial Flexion

Question 22

If a patient cannot assume the PA oblique with medial rotation due to his or her condition, what is the alternative position of choice?

Answer 22

Angling the CR 45, AP Oblique with medial rotation

Question 23

According to Merrills what three parts should be in the same place when performing all wrist studies?

Answer 23

Shoulder, Elbow, Wrist

Question 24

According to Merrills the elbow should be flexed how many degrees when performing wrist studies?

Answer 24

90

Question 25

When the wrist is paced in a lateral position, an imaginary line drawn through the styloid processes should be ____ to the IR.

Answer 25

perpendicular

Question 26

When the wrist is placed in the PA or AP position, an imaginary line drawn through the styloid processes should be _____ to the IR

Answer 26

Parallel

Question 27

What is the routine for a mag or 6 view study of the wrist at WH?

Answer 27

Neutral PA, Neutral Lateral, PA with Ulnar deviation, PA w/ radial deviation, lateral w/ fexion, lateral w/ extension