LRA 220 Weeks 1,2,3 & Final Exams STUDY
BUNDLE PACKAGE| Questions and Verified
Answers - (2024/ 2025 Update) 100% Correct|
Grade A
The purpose of the AP stress views of the ankle is to demonstrate:
Possible stress fractures
poss joint seperations or ligament tears
loose bodies in the ankle joint
tears on the meniscus - ANSWERposs joint separations or ligament tears
Where is the CR directed on a lateral calcaneus projection?
Lateral MAl
base of the first metacarpal
1 in distal to medial MAL
distal tip/fib joint space - ANSWER1 in distal to medial MAL
What CR angle Is required for an AP projection of the knee on a patient W/ an ASIS
to TT measurement of 18 cm
3-5 caudad
3-5 cephalic
perpendicular
10-15 cephalic - ANSWER3-5 ciudad
what cr angle should be used for a lateral projection of the knee on a short wide
pelvis patient?
No angle
5 cephalic
7-10 cephalic
5-19 cephalic - ANSWER7-10 cephalic
which projection would best visualize a fibular head fracture?
lateral knee
medial obl knee
PA knee
AP knee - ANSWERmedial obl knee
To properly visualize the joint spaces w/ the AP projection of the foot. the CR must
be:
parallel to the longitudinal arch
perpendicular to the metatarsal
perpendicular to the longitudinal arch
parallel to the metatarsals - ANSWERperpendicular to the metatarsals
, What CR angulation is required for the AP oblique projection of the foot?
CR perpendicular
10 degrees
15-20 degrees
5-7 degrees - ANSWERCR perpendicular
A correctly positioned AP medial OBL foot projection will demonstrate
3rd-5th metatarsal free of superimposition
1st-5th metatarsal s free of superimposition
1st-2nd cunieform joint space open
cr is centered to mid shaft of 3rd metatarsal - ANSWER3rd-5th metatarsal free of
superimposition
A lateral knee radiograph that is over rotated toward the IR can be recognized by
which of the following?
The fibular head will appear more superimposed by the tibia than a true lateral
The fibular head will appear less superimposed by the tibia than a true lateral -
ANSWERThe fibular head will appear less superimposed by the tibia than a true
lateral
You are taking an AP projection of the tibia and fibula on an adult and need to
ensure that both joints are included, what you should do?
Increase SID to 60 inches
Use the bucky
Turn the IR diagonally - ANSWERTurn the IR diagonally
How much is the foot dorsiflexed with the tangential sesamoid bone projection if the
CR remains perpendicular to IR?
15-20 degrees from vertical
no flexion
5-7 degrees from vertical
30-45 degrees from vertical - ANSWER15-20 degrees from vertical
what CR angulation (if any) is required for an AP projection of the toes
CR perpendicular to IR
5 degree toward calcaneous
10-15 toward calcaneous
20-25 toward calcareous - ANSWER10-15 toward calcaneous
When taking multiple exposures of on one IR cassette, what should the technologist
place on the IR in the unexposed area?
Lead masking
Nothing
The opposite body part for comparison - ANSWERLead masking
What is one advantage of the lateromedial projection of the foot?
It is more comfortable for the patient
BUNDLE PACKAGE| Questions and Verified
Answers - (2024/ 2025 Update) 100% Correct|
Grade A
The purpose of the AP stress views of the ankle is to demonstrate:
Possible stress fractures
poss joint seperations or ligament tears
loose bodies in the ankle joint
tears on the meniscus - ANSWERposs joint separations or ligament tears
Where is the CR directed on a lateral calcaneus projection?
Lateral MAl
base of the first metacarpal
1 in distal to medial MAL
distal tip/fib joint space - ANSWER1 in distal to medial MAL
What CR angle Is required for an AP projection of the knee on a patient W/ an ASIS
to TT measurement of 18 cm
3-5 caudad
3-5 cephalic
perpendicular
10-15 cephalic - ANSWER3-5 ciudad
what cr angle should be used for a lateral projection of the knee on a short wide
pelvis patient?
No angle
5 cephalic
7-10 cephalic
5-19 cephalic - ANSWER7-10 cephalic
which projection would best visualize a fibular head fracture?
lateral knee
medial obl knee
PA knee
AP knee - ANSWERmedial obl knee
To properly visualize the joint spaces w/ the AP projection of the foot. the CR must
be:
parallel to the longitudinal arch
perpendicular to the metatarsal
perpendicular to the longitudinal arch
parallel to the metatarsals - ANSWERperpendicular to the metatarsals
, What CR angulation is required for the AP oblique projection of the foot?
CR perpendicular
10 degrees
15-20 degrees
5-7 degrees - ANSWERCR perpendicular
A correctly positioned AP medial OBL foot projection will demonstrate
3rd-5th metatarsal free of superimposition
1st-5th metatarsal s free of superimposition
1st-2nd cunieform joint space open
cr is centered to mid shaft of 3rd metatarsal - ANSWER3rd-5th metatarsal free of
superimposition
A lateral knee radiograph that is over rotated toward the IR can be recognized by
which of the following?
The fibular head will appear more superimposed by the tibia than a true lateral
The fibular head will appear less superimposed by the tibia than a true lateral -
ANSWERThe fibular head will appear less superimposed by the tibia than a true
lateral
You are taking an AP projection of the tibia and fibula on an adult and need to
ensure that both joints are included, what you should do?
Increase SID to 60 inches
Use the bucky
Turn the IR diagonally - ANSWERTurn the IR diagonally
How much is the foot dorsiflexed with the tangential sesamoid bone projection if the
CR remains perpendicular to IR?
15-20 degrees from vertical
no flexion
5-7 degrees from vertical
30-45 degrees from vertical - ANSWER15-20 degrees from vertical
what CR angulation (if any) is required for an AP projection of the toes
CR perpendicular to IR
5 degree toward calcaneous
10-15 toward calcaneous
20-25 toward calcareous - ANSWER10-15 toward calcaneous
When taking multiple exposures of on one IR cassette, what should the technologist
place on the IR in the unexposed area?
Lead masking
Nothing
The opposite body part for comparison - ANSWERLead masking
What is one advantage of the lateromedial projection of the foot?
It is more comfortable for the patient