RAD 121 LOWER EXTREMITY TEST QUESTIONS WITH
VERIFIED ANSWERS
Which metatarsal bone of the foot has a prominent tuberosity frequently fractured? A.
first B. Third C. Fourth D. Fifth - Answers - fifth
Which term describes the top or anterior surface of the foot? A. palmar B. Dorsum C.
Volar D. Plantar? - Answers - dorsum
Which structure or bone contains the sustentaculum tali? - Answers - calcaneus
There are ____ tarsal bones? - Answers - 7
The largest tarsal bone is: - Answers - calcaneus
The dorsoplantar projection of the foot requires the central ray to be directed to the: -
Answers - Base of the third metatarsal
Where is the CR placed for a mediolateral projection of the calcaneous? - Answers - 1
inch inferior to the medial malleolus
What are the two arches of the foot? - Answers - longitudinal and transverse
What CR angulation is required for the AP oblique projection of the foot? - Answers -
CR is perpendicular to the image receptor
A semi-axial projection of the calcaneus requires ____ angulation - Answers - 40
degrees cephalad
WHich projection best demonstrates the 3rd cuneiform of the foot? - Answers - AP
oblique with medial rotation
How much central ray angulation should be used for an AP projection of the toes to
ensure that the joint spaces are open? - Answers - 10-15 degrees towards the
calcaneus
Which projection would best demonstrate a fracture at the base of the fifth metatarsal? -
Answers - medial oblique foot
A radiograph of a plantodorsal projection of the calcaneus reveals foreshortening. The
technologist used 60 kV, 6 mAs, 40 inch SID and a 30 degree cephalad CR angle from
the long axis of the foot. WHich of the following modifications will produce a more
diagnostic image of the calcaneous? - Answers - increase CR angulation
VERIFIED ANSWERS
Which metatarsal bone of the foot has a prominent tuberosity frequently fractured? A.
first B. Third C. Fourth D. Fifth - Answers - fifth
Which term describes the top or anterior surface of the foot? A. palmar B. Dorsum C.
Volar D. Plantar? - Answers - dorsum
Which structure or bone contains the sustentaculum tali? - Answers - calcaneus
There are ____ tarsal bones? - Answers - 7
The largest tarsal bone is: - Answers - calcaneus
The dorsoplantar projection of the foot requires the central ray to be directed to the: -
Answers - Base of the third metatarsal
Where is the CR placed for a mediolateral projection of the calcaneous? - Answers - 1
inch inferior to the medial malleolus
What are the two arches of the foot? - Answers - longitudinal and transverse
What CR angulation is required for the AP oblique projection of the foot? - Answers -
CR is perpendicular to the image receptor
A semi-axial projection of the calcaneus requires ____ angulation - Answers - 40
degrees cephalad
WHich projection best demonstrates the 3rd cuneiform of the foot? - Answers - AP
oblique with medial rotation
How much central ray angulation should be used for an AP projection of the toes to
ensure that the joint spaces are open? - Answers - 10-15 degrees towards the
calcaneus
Which projection would best demonstrate a fracture at the base of the fifth metatarsal? -
Answers - medial oblique foot
A radiograph of a plantodorsal projection of the calcaneus reveals foreshortening. The
technologist used 60 kV, 6 mAs, 40 inch SID and a 30 degree cephalad CR angle from
the long axis of the foot. WHich of the following modifications will produce a more
diagnostic image of the calcaneous? - Answers - increase CR angulation
