Upper Limb Quiz
Where is the CR centered for a PA projection of the hand?
A. At the third metatarsophalangeal joint
B. At the third metacarpophalangeal joint
C. At the Second MCP joint
D. At the Second MTP joint
Which bones make up the palm of the hand?
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
How many phalanges are found in the thumb?
Which carpal bone is the smallest?
True or False: The joint between the first metacarpal and the proximal phalanx of the thumb is called the first metacarpophalangeal (MPC) joint.
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 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
how many phalanges are found in each of the following individual digits: 2,3,4,and 5
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
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
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
Which routine projection of the elbow best demonstrates the olecranon process in profile?
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 specific anatomy is better visualized with a fan lateral as compared with the other lateral projections of the hand?
A. Metacarpals 4 and 5!
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
Which of the carpal bones is considered to be the largest?
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
C. Parrallel and perpendicular
D. It’s this one.. trust me
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
The joint found between the base of the third metacarpal and carpal bone is the:
B. Proximal Interphalangeal joint
C. Distal interphalangeal joint
D. AC Joijnt
Joints between two phalanges are known as?
A. Interphalangeal Joint
D. Fibula Cartilage
The bones that make up the wrist are called?
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
C. 15 ft
True or False: In radiography, each finger and thumb is called a digit, and each digit consist of 4 separate small bones called phalanges.
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