Upper Limb Quiz
Preview:
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 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 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
Joints between two phalanges are known as?
A. Interphalangeal Joint
B. MCP
C. MTP
D. Fibula Cartilage
Which of the carpal bones is considered to be the largest?
A. Schapoid
B. Capitate
C. Lunate
D. Pisiform
Which bones make up the palm of the hand?
A. Carpals
B. Metatarsals
C. Tarsals
D. Metacarpals
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 is the name of the joint found between the proximal and distal phalanges of the first digit?
A. CRIP
B. DIP
C. PIP
D. IP
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 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 of the following actions will lead to the proximal radius crossing over the ulna?
A. Pronation of the hand
B. Pronation of the foot
C. Supination of the hand
D. Supination of the foot
Which is the most commonly fractured carpal bone?
A. Scaphoid
B. Triquetrum
C. Trapezoid
D. Capitate
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