Upper Limb Quiz
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What surface of the the hand is in contact with the IR when performing a PA projection of the wrist?
A. Medial Surface
B. Anterior Surface
C. Posterior Surface
D. Lateral Surface
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
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
From a pronated position, which of the following is required for a PA oblique projection of the fourth digit of the hand?
A. Hand should be supinated
B. No rotation is needed
C. 45-degree lateral rotation
D. 45-degree medial rotation
Which bones make up the palm of the hand?
A. Carpals
B. Metatarsals
C. Tarsals
D. Metacarpals
Which bone of the forearm contains the coronoid process?
A. Radius
B. Ulna
C. Tibia
D. Fibula
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
Identify the total number of phalangies in the hand.
A. 3
B. 12
C. 14
D. 27
What two bony landmarks are palpated for positioning of the AP elbow?
A. Corocoid and olecranon process
B. Humeral malleoli
C. Humeral epicondyles
D. Greater and lesser trochanters
Which routine projection of the elbow best demonstrates the olecranon process in profile?
A. Oblique
B. AP
C. Lateral
D. Medial
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
How many bones make up the hand and wrist?
A. 28
B. 26
C. 27
D. 29
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
How many bones make up the wrist?
A. there’s no bones in wrist just joints
B. two rows of four bones each
C. three rows of five bones each
D. four rows of three bones
What is the total number of bones that make up the hand and wrist?
A. 27
B. 14
C. 3
D. 28
A radiograph of a PA oblique of the hand reveals that the midshaft of the fourth and fifth metacarpals is superimposed. What specific positioning error has been committed?
A. 3.14
B. there’s no error
C. Insufficient rotation of the hand and or wrist laterally
D. Excessive rotation of the hand and or wrist laterally
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
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
Which specific anatomy is better visualized with a fan lateral as compared with the other lateral projections of the hand?
A. Metacarpals 4 and 5!
B. Phalanges
C. Tarsals
D. Carpals
Which is the most commonly fractured carpal bone?
A. Scaphoid
B. Triquetrum
C. Trapezoid
D. Capitate
How should the original analog kVp range be changed with a fiberglass cast applied for a wrist or forearm radiographic procedure?
A. Decrease 3 to 4 kVp
B. Increase 3 to 4 kVp.
C. Increase the mAs to change the kVp
D. No change needed
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
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
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
Joints between two phalanges are known as?
A. Interphalangeal Joint
B. MCP
C. MTP
D. Fibula Cartilage
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