Upper Limb Quiz
Preview:
How many carpal bones are found in the wrist?
A. 3
B. 27
C. 7
D. 8
The bones that make up the wrist are called?
A. Metatarsals
B. Metacarpals
C. Tarsals
D. Carpals
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
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
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
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
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 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
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
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 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
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
What surface of the hand is in contact with the IR when performing a lateral projection of the wrist?
A. Medial Surface
B. Lateral Surface
C. It free floats to enable good magnification and SID
Identify the total number of phalangies in the hand.
A. 3
B. 12
C. 14
D. 27
The joint found between the base of the third metacarpal and carpal bone is the:
A. carpometacarpal
B. Proximal Interphalangeal joint
C. Distal interphalangeal joint
D. AC Joijnt