QBank

Question 1

The […] ligament complex is the primary restraint to dorsal dislocation and subluxation of the thumb CMC joint.

Answer 1

dorsoradial

Question 2

The antecubital fossa is defined by the […] ulnarly and the […] radially.

Answer 2

pronator teres; brachioradialis

Question 3

Shortly after the radial artery separates from the brachial artery, the radial recurrent branch travels […] to the biceps tendon.

Answer 3

superficial

Question 4

The […] nerve is the second most common nerve injury during distal biceps tendon repair.

Answer 4

superficial radial

Question 5

The radial nerve is lateral to the biceps tendon and bifurcates into its […] and […] at the level of the antecubital fossa.

Answer 5

deep motor; superficial branch

Question 6

[…] is defined as: the modulus of elasticity changes over time based on the duration and rate of an applied load

Answer 6

Viscoelasticity

Question 7

Laceration of the median nerves in a patient with Martin-Gruber Anastamosis type II will present with classic median nerve sensory and motor dysfunction as well as the inability to […], with preserved ulnar nerve sensation.

Answer 7

abduct the index finger (FDI)

Question 8

The anatomic course of the popliteal artery contributes to the risk of injury as the artery lies directly behind the posterior capsule, and […] to the PCL.

Answer 8

lateral

Question 9

The popliteal artery is furthest away from the posterior tibial plateau when the knee is between […] to […] of flexion.

Answer 9

60-90

Question 10

In normal anatomy, the greater tuberosity sits about […] mm below the top of the humeral head.

Answer 10

5-8

Question 11

The presence of a PIP joint flexion contracture greater than […] deg experiences the highest risk for recurrence following collagenase injections.

Answer 11

40 (note: PIP sev had higher recurrence than MCP sev)

Question 12

The 2021 American Academy of Orthopaedic Surgeons (AAOS) Clinical Practice Guidelines (CPG) provide a […] recommendation […] HA injections for osteoarthritis of the knee.

Answer 12

moderate recommendation against

Question 13

Is C acnes aerobic or anaerobic?

Answer 13

anaerobic

Question 14

What is the gram stain of C acnes?

Answer 14

Gram positive bacilli

Question 15

Is C acnes spore-forming or non-spore-forming?

Answer 15

non-spore-forming

Question 16

What is the first line antibiotic for C acnes periprosthetic shoulder infections?

Answer 16

Penicillin

Question 17

What percentage of patients undergo a TKA for post-traumatic arthritis at 10 years following ORIF of tibia plateau fractures?

Answer 17

5-10%

Question 18

Multiple studies have evaluated the vascular patterns of the patella and have found that the majority of the patella’s arterial supply enters […].

Answer 18

inferomedially

Question 19

vitamin D-dependent rickets type I is a deficiency of which enzyme?

Answer 19

1a-hydroxylase (converts 25(OH)D to 1a,25(OH)2D3)

Question 20

The LFCN passes […] the ilioinguinal ligament.

Answer 20

underneath

Question 21

What is the origin and insertion of ECRB?

Answer 21

anterior aspect of lateral epicondyle; third metacarpal

Question 22

What is the origin and insertion of ECRL?

Answer 22

lateral supracondylar ridge; second metacarpal

Question 23

The most common structure fractured intraoperatively during a primary TKA is the […] femoral condyle

Answer 23

medial (followed by the LFC and then supracondylar femur; tibia is last)

Question 24

Scatter radiation increases with proximity to the c-arm and is higher on the side of the […].

Answer 24

emitter

Question 25

The most common soft issue injury associated with a lateral split depression fracture of the tibial plateau is a [...] meniscus tear.

Answer 25

peripheral lateral

Question 26

The most important stabilizer for the scapholunate joint is the [...] ligament

Answer 26

dorsal scapholunate

Question 27

In elbow arthroscopy, the PIN is most at risk during the establishment or use of the [...] portal.

Answer 27

anterolateral

Question 28

What is the innervation of ECRB?

Answer 28

PIN

Question 29

What is the innervation of aconeus?

Answer 29

Radial nerve

Question 30

Does forearm pronation place strain on the MUCL or LUCL more?

Answer 30

MUCL

Question 31

A pronated forearm position would [...] strain across the LUCL repair.

Answer 31

decrease

Question 32

The long thoracic nerve originate from which nerve roots?

Answer 32

C5, C6, C7

Question 33

In club foot, a dorsal bunion develops due to a normal tibialis anterior muscle overpowering a weak [...] muscle.

Answer 33

peroneus longus

Question 34

Which head of the pectoralis major tears more often?

Answer 34

Sternocostal > clavicular head

Question 35

What is the innervation of pec major?

Answer 35

medial and lateral pectoral nerves

Question 36

The sciatic nerve is located [...] to the ischial tuberosity.

Answer 36

lateral