Upper Limb Quiz
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True or False: The ulna is located in the medial side and follows the 5th digit.
A. FALSE
B. TRUE
C. the ulna follows thumb
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?
A. Repeat the PA projection to include all the carpals and about 1 inch (2.5cm) of the distal radius and ulna.
B. Do the AP instead
C. Increase the CR angel caudad
D. Nothing, this is an acceptable image
How many bones make up the hand and wrist?
A. 28
B. 26
C. 27
D. 29
Which carpal bone is the smallest?
A. Navicular
B. cuboid
C. Pisiform
D. Capitate
how many phalanges are found in each of the following individual digits: 2,3,4,and 5
A. 2
B. 3
C. 4
D. 13
A patient with a fractured forearm had the fracture reduced and a fiberglass cast placed on the extremity. The orthopedic surgeon orders a postreduction study. The original (analog) kVp was 60 kVp. Which one of the following kVp factors should be selected for the postreduction study?
A. 1000kVp
B. 80mAs
C. 63 kVp
D. use inverse square law for new kVp
Why is it important to keep the phalanges parallel to the IR for a PA oblique projection of the hand?
A. To intake scatter raditation
B. Prevents foreshortening of phalanges and obscuring of interphalangeal joints.
C. So you don’t have to do other views requested by radiologist
D. To prevent scatter radiation
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?
A. Insufficient medial rotation
B. I didn’t study enough to know :'(
C. Excessive medial rotation
D. Excessive lateral rotation
Grids are generally not required unless the anatomy measures greater than _____ cm in thickness
A. Grids are never required for x-rays
B. 10cm
C. 15 ft
D. 10in
True or False: The joint between the first metacarpal and the proximal phalanx of the thumb is called the first metacarpophalangeal (MPC) joint.
A. TRUE
B. FALSE
How much rotation of the humeral epicondyles is required for the AP medial oblique projection of the elbow?
A. No rotation is needed as the epicondyles are already good
B. 45 Degrees
C. 35 Degrees
D. 15 Degree Cephaled
Where is the central ray (CR) placed for a PA projection of the third digit?
A. At the Distal interphalangeal joint
B. At the Interphalangeal joint
C. At the proximal interphalangeal joint
D. At the third MCP
True or False: The radius is located in the medial side following the thumb.
A. TRUE
B. FALSE
In what position should the hand be for an AP elbow projection?
A. True lateral
B. Supinated (palm up)
C. Pronated (palm down)
D. Lateral with Medial obliquity
Which bone of the forearm contains the coronoid process?
A. Radius
B. Ulna
C. Tibia
D. Fibula
What are the names of the carpals in the proximal row?
A. Scaphoid, Triquetrum, Pisiform, Lunate
B. Scaphoid, Tapezium, Hamate, Ulna
C. Schapoid, Triquetrum, Pisiform, Cuboid
D. Radius, ulna, tibia, fibula
Which of the carpal bones is considered to be the largest?
A. Schapoid
B. Capitate
C. Lunate
D. Pisiform
Which is the most commonly fractured carpal bone?
A. Scaphoid
B. Triquetrum
C. Trapezoid
D. Capitate
How many carpal bones are found in the wrist?
A. 3
B. 27
C. 7
D. 8
Which bones make up the palm of the hand?
A. Carpals
B. Metatarsals
C. Tarsals
D. Metacarpals
The bones that make up the wrist are called?
A. Metatarsals
B. Metacarpals
C. Tarsals
D. Carpals
A general positioning rule is to place the long axis of the part ____ to the long axis of the image receptor.
A. Oblique for better positioning
B. Parrallel
C. Parrallel and perpendicular
D. It’s this one.. trust me
A radiograph of the elbow demonstrates the radius directly superimposed over the ulna and the coronoid process in profile. Which projection of the elbow has been performed?
A. PA (external) rotation acute
B. AP with medial rotation
C. AP no rotation
D. Medial (internal) rotation oblique
What surface of the forearm is in contact with the IR when performing an AP projection of the elbow?
A. Anterior Surface
B. Arm should be in lateral for AP
C. Posterior Surface
ow should the humeral epicondyles be aligned for a lateral projection of the elbow?
A. Within reasonable distace to aquire an AP instead
B. Perpendicular to IR
C. Parralel to IR
D. 45 degrees opposite directions
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