100% Verified Correct Answers
The peak age range at which men suffer ankle fractures is _____ to _____ years.
a. 8; 15
b. 15; 24
c. 25; 34
d. 35; 44 - Correct Answer b. 15; 24
__________ separate articulations allow movement at the ankle joint.
a. Two
b. Three
c. Four
d. Five - Correct Answer a. two
Posterior malleolar fractures are associated with ___________ fractures and are considered to be
unstable.
a. calcaneus
b. talus
c. fibula
d. tibia - Correct Answer c. fibula
The _____________ ligament stabilizes the medial side of the ankle.
a. anterior talofibular
b. calcaneofibular
c. posterior talofibular
d. deltoid - Correct Answer d. deltoid
Because of the risk of neurovascular compromise and skin necrosis, dislocated ankles should be:
a. left alone.
b. wrapped tightly in an elastic bandage.
,c. manipulated as soon as possible. d. casted immediately. - Correct Answer c. manipulated as soon
as possible
The Ottawa Ankle Rules state that radiographs are appropriate when a patient meets any of the
following criteria:
1. inability to bear weight immediately after injury
2. point tenderness over the medial malleolus, on the talus or calcaneus or the posterior edge or
inferior tip of the lateral malleolus
3. inability to walk 4 steps in the emergency department
a. 1 and 2
b. 1 and 3
c. 2 and 3
d. 1, 2 and 3 - Correct Answer d. 1, 2, and 3
It is likely that a patient with an ankle fracture has multiple injuries based on the ________ principle.
a. circle
b. ring
c. Weber
d. Salter - Correct Answer b.ring
T or F
Stress studies of the ankle can verify the presence of a ligament tear. - Correct Answer true
For an AP oblique projection of the mortise joint, the radiographer should angle the leg and foot
_________ degrees medially and the foot should be in ___________________.
a. 10 to 15; plantar flexion
b. 10 to 15; dorsiflexion
c. 15 to 20; plantar flexion
d. 15 to 20; dorsiflexion - Correct Answer d. 15 to 20; dorsiflexion
Stress radiographs usually are requested when a patient has suffered from the following ankle
injuries:
, 1. inversion
2. eversion
3. crush
a. 1 and 2
b. 1 and 3
c. 2 and 3
d. 1, 2 and 3 - Correct Answer a. 1 and 2
Multidetector computed tomography (MDCT) is a useful tool for evaluating the extent of
_____________ of the _______________ component in Salter Fractures.
a. displacement; physeal
b. displacement; metaphyseal
c. completeness; physeal
d. completeness; metaphyseal - Correct Answer a. displacement; physeal
According to the Directed Reading, streak artifacts from orthopedic hardware are less of a problem
than in the past because:
a. all orthopedic hardware now is made of plastic.
b. magnetic resonance (MR) imaging has replaced radiography and CT.
c. 3-D imaging techniques reduce metal imaging artifacts.
d. window leveling overrides artifacts on final images. - Correct Answer c. 3-D imaging techniques
reduce metal imaging artifacts
On MR images, a ______________ fracture appears as a fracture line of low signal intensity
surrounded by an ill-defined zone of edema.
a. pathologic
b. Salter
c. fatigue-type
d. trimalleolar - Correct Answer c. fatigue-type
The diagnostic accuracy of ultrasonography in evaluating ankle injury is highest for
_________________ tears.