220 WEEK 1 REVIEWED QUESTIONS
WITH RIGHT ANSWERS .
How much central ray (CR) angulation (if any) should be used for an AP projection of the
toes? - Correct Answer -10-15 degrees toward calcaneus
Which of the following routines should be performed for a study of the second toe? - Correct
Answer -AP, AP oblique with medial rotation, lateromedial projection
How much is the foot dorsiflexed with the tangential projection for the sesamoid bones if the
CR remains perpendicular to the image receptor? - Correct Answer -15-20 degrees from
vertical
A correctly positioned AP 45° medial oblique ankle projection frequently may also
demonstrate a fracture of the base of the fifth metatarsal if present. TRUE or FALSE -
Correct Answer -True
Which of the following projections of the ankle will best demonstrate the open joint space of
the lateral aspect of the ankle joint? - Correct Answer -AP mortise projection
To decrease the angle between the anterior surface of the foot and anterior surface of the
lower leg is described as: - Correct Answer -Dorsiflexion
What CR angulation is required for the AP oblique projection of the foot? - Correct Answer -
CR is perpendicular
How much CR angulation to the long axis of the foot is required for the plantodorsal (axial)
projection of the calcaneus? - Correct Answer -40 degrees cephalad
How much rotation from an AP position of the ankle will typically produce an AP mortise
projection? - Correct Answer -15-20 degrees
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WITH RIGHT ANSWERS .
How much central ray (CR) angulation (if any) should be used for an AP projection of the
toes? - Correct Answer -10-15 degrees toward calcaneus
Which of the following routines should be performed for a study of the second toe? - Correct
Answer -AP, AP oblique with medial rotation, lateromedial projection
How much is the foot dorsiflexed with the tangential projection for the sesamoid bones if the
CR remains perpendicular to the image receptor? - Correct Answer -15-20 degrees from
vertical
A correctly positioned AP 45° medial oblique ankle projection frequently may also
demonstrate a fracture of the base of the fifth metatarsal if present. TRUE or FALSE -
Correct Answer -True
Which of the following projections of the ankle will best demonstrate the open joint space of
the lateral aspect of the ankle joint? - Correct Answer -AP mortise projection
To decrease the angle between the anterior surface of the foot and anterior surface of the
lower leg is described as: - Correct Answer -Dorsiflexion
What CR angulation is required for the AP oblique projection of the foot? - Correct Answer -
CR is perpendicular
How much CR angulation to the long axis of the foot is required for the plantodorsal (axial)
projection of the calcaneus? - Correct Answer -40 degrees cephalad
How much rotation from an AP position of the ankle will typically produce an AP mortise
projection? - Correct Answer -15-20 degrees
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