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AAOS anatomy

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Quiz on Tes, created by Reza Fahlevi on 18/11/2017.
Reza Fahlevi
Quiz by Reza Fahlevi, updated more than 1 year ago
Reza Fahlevi
Created by Reza Fahlevi about 7 years ago
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Resource summary

Question 1

Question
(SAE12TR.4) What is the most common anatomic location of the lateral femoral cutaneous nerve?
Answer
  • Under the inguinal ligament
  • Deep to the iliopectineal fascia
  • Adjacent to the femoral nerve
  • Deep to the psoas muscle
  • Medial to the femoral vein

Question 2

Question
(SAE08OS.92) Which of the following neurovascular structures is closest to the posterior capsule of the knee? 
Answer
  • Popliteal artery
  • Sural nerve
  • Common peroneal nerve
  • Posterior tibial nerve
  • Popliteal vein

Question 3

Question
(SAE11AN.16) Following fixation of a comminuted both-bone forearm fracture, the patient has weakness of the flexor pollicis longus and flexor digitorum profundus to the index finger. Which of the following structures has most likely been injured?
Answer
  • Anterior interosseous nerve
  • Posterior interosseous nerve
  • Radial nerve
  • Ulnar nerve
  • Lateral antebrachial cutaneous nerve

Question 4

Question
(SAE11AN.3) Which of the following vascular structures provides the most significant secondary contribution to the blood supply of the femoral head?
Answer
  • Lateral femoral circumflex artery
  • Superior gluteal artery
  • Inferior gluteal artery
  • Circumflex iliac artery
  • Superficial femoral artery

Question 5

Question
SAE11AN.74) A 20-year-old man sustains a burst fracture at L1. Examination reveals 3/5 weakness of bilateral ankle plantar flexion and dorsiflexion, and 4/5 quadriceps strength. He is unable to void spontaneously and has diminished rectal tone. Diagnose?
Answer
  • Conus medullaris injury
  • Incomplete spinal cord injury
  • Cauda equina injury
  • Central cord syndrome
  • Anterior cord syndrome

Question 6

Question
(SAE09TR.16) The axis of forearm rotation occurs between what two anatomic point?
Answer
  • Radial head, radial styloid
  • Radial head, ulnar styloid
  • Radial head, ulnar head
  • Coronoid, sigmoid notch
  • Coronoid, radial styloid

Question 7

Question
(SAE08AN.49) The anatomy of the sciatic nerve as it exits the pelvis is best described as exiting through the
Answer
  • greater sciatic notch and passing between the inferior gemellus and the obturator externus.
  • greater sciatic notch and passing between the piriformis and the superior gemellus.
  • obturator foramen and passing between the obturator internus and the obturator externus.
  • lesser sciatic notch and passing between the piriformis and the superior gemellus.
  • lesser sciatic notch and passing between the superior gemellus and the inferior gemellus

Question 8

Question
(SAE11AN.75) The peroneal division of the sciatic nerve innervates which of the following muscles in the thigh?
Answer
  • Long head of the biceps femoris
  • Short head of the biceps femoris
  • Semimembranosus
  • Semitendinosus
  • Lateral head of the gastrocnemius

Question 9

Question
(SAE10SM.3) Which of the following statements best describes the anatomy of the sartorial branch of the saphenous nerve during medial meniscal repair? 
Answer
  • The nerve is reliably extrafascial at the joint line.
  • The nerve is anterior to the sartorius.
  • The nerve becomes extrafascial between the gracilis and the semitendinosus.
  • The nerve is anterior to the semitendinosus with the knee in extension.
  • The sartorial branch exits the adductor canal and travels to the anteromedial aspect of the knee.

Question 10

Question
(SAE08UE.92) What are the two terminal branches of the lateral cord of the brachial plexus
Answer
  • Musculocutaneous and median
  • Musculocutaneous and axillary
  • Median and axillary
  • Ulnar and median
  • Ulnar and medial pectoral

Question 11

Question
(SAE08AN.61) An axillary nerve lesion may cause weakness in the deltoid and the 
Answer
  • teres major.
  • teres minor
  • teres major and teres minor.
  • latissimus dorsi.
  • latissimus dorsi and teres major.

Question 12

Question
SAE11AN.58)a posterior approach to the radius (dorsal Thompson), pts is unable to extend his thumb and index finger at the metacarpophalangeal joint. sensation radial forearm (+),dorsal thumb (+), ext.wrist (+) with radial deviation. Nerve injury?
Answer
  • Radial
  • Posterior interosseous
  • Anterior interosseous
  • Median
  • Musculocutaneous

Question 13

Question
(SAE11AN.25) A patient undergoes open surgical dislocation of the hip to address femoroacetabular impingement. During which stage of the surgical approach is the blood supply to the femoral head at greatest risk?
Answer
  • Release of the piriformis tendon
  • Release of the anteroinferior capsule
  • Release of the posterosuperior capsule
  • Trochanteric osteotomy lateral to the piriformis
  • Anterior dislocation of the femoral head

Question 14

Question
(SAE11AN.81) An L3 radiculopathy is best differentiated from a femoral neuropathy by testing what muscle? 
Answer
  • Quadriceps
  • Adductor longus
  • Iliacus
  • Sartorius
  • Psoas

Question 15

Question
SAE11UE.1) A 23-year-old patient with lateral epicondylitis underwent a routine elbow arthroscopy and an anterolateral portal was used. The patient now has complications associated with nerve injury in this area. What symptoms will most likely be present?
Answer
  • Loss of digital extension
  • Weakness of the interossei
  • Decreased sensation in the ring and little fingers
  • Decreased sensation in the ulnar dorsal forearm
  • Loss of flexor pollicis longus function

Question 16

Question
(SAE11AN.17) During an anterior retroperitoneal approach to the lumbar spine, what nerve is encountered lying on the anteromedial surface of the psoas muscle?
Answer
  • Genitofemoral
  • Ilioinguinal
  • Femoral
  • Lateral femoral cutaneous
  • Iliohypogastric

Question 17

Question
SAE11AN.20) A 24yo man has a deep knife wound across the dorsal aspect of his wrist, transecting all, How does the surgeon determine which of the proximal tendon stumps in the fourth dorsal compartment is the indicis propius
Answer
  • The tendon runs in a separate compartment
  • The tendon has a more circular cross section.
  • The tendon has the most distal muscle belly
  • The tendon is the most radial and superficial
  • The tendon has two separate slips.

Question 18

Question
(SAE13PE.74) The main blood supply to the capital femoral epiphysis in a 10-year-old child is supplied from the 
Answer
  • artery of the ligamentum teres.
  • epiphyseal branch of the lateral femoral circumflex artery.
  • posterosuperior and posteroinferior retinacular branches of the lateral femoral circumflex artery.
  • posterosuperior and posteroinferior retinacular branches of the medial femoral circumflex artery.

Question 19

Question
(SAE11AN.39) Extended exposure of the posteromedial aspect of the knee can be obtained using the interval between the medial border of the gastrocnemius and the posterior border of the semimembranosus tendon. Further exposure of the posteromedial tibial?
Answer
  • Popliteus
  • Plantaris
  • Semitendinosus
  • Gracilis
  • Soleus

Question 20

Question
(SAE08AN.65) Which of the following tendons is found in the same dorsal compartment of the wrist as the posterior interosseous nerve?
Answer
  • Extensor digiti minimi
  • Extensor carpi radialis brevis
  • Extensor pollicis longus
  • Extensor indicis proprius
  • Abductor pollicis longus

Question 21

Question
SAE13SM.50) A 19-year-old linebacker underwent a coracoid transfer procedure for recurrent anterior glenohumeral instability. At his 1-week postsurgical check-up, his incision is doing well; he reports numbness over the lateral aspect of his forearm
Answer
  • Axillary
  • Median
  • Musculocutaneous
  • Radial

Question 22

Question
SAE10HK.13) During surgical hip dislocation for the management of femoral acetabular impingement, preservation of what structure is paramount to maintaining vascularity to the femoral head?
Answer
  • Metaphyseal vessels
  • Medial epiphyseal artery
  • Superficial branch of the medial femoral circumflex artery
  • Deep branch of the lateral femoral circumflex artery
  • Deep branch of the medial femoral circumflex artery

Question 23

Question
(SAE11AN.78) What osseous ridge separates the femoral attachments of the anteromedial and posterolateral bundles of the anterior cruciate ligament? 
Answer
  • Lateral intercondylar ridge
  • Lateral bifurcate ridge
  • Lateral interfemoral ridge
  • Lateral interfascicular ridge
  • Lateral cruciate ridge

Question 24

Question
(SAE12SN.77) In approaching the lateral lumbar spine through the psoas, the lumbosacral plexus is in danger of being injured. The location of the plexus is best described as which of the following? 
Answer
  • More dorsal in the upper lumbar spine and more ventral in the lower lumbar spine
  • More ventral in the upper lumbar spine and more dorsal in the lower lumbar spine
  • Equally dorsal (junction of anterior two thirds and posterior one third) in the psoas along the lumbar spine
  • Equally ventral (junction of anterior one third and posterior two thirds)in the psoas along the lumbar spine
  • In the midportion of the psoas along the lumbar spine

Question 25

Question
SAE08AN.30) Involvement of what single muscle best distinguishes an L5 radiculopathy from a peroneal neuropathy?
Answer
  • Extensor hallucis longus
  • Extensor digitorum brevis
  • Tibialis anterior
  • Tibialis posterior
  • Peroneus longus

Question 26

Question
SAE11AN.51) During an anterior approach to the shoulder, what is the most likely arterial structure to be encountered in the superior extent of the deltopectoral interval (just distal to the anterior edge of the clavicle)
Answer
  • Acromial branch of the thoracoacromial artery
  • Axillary artery
  • Arcuate artery
  • Suprascapular artery
  • Subclavian artery

Question 27

Question
SAE08OS. 2) A 28-year-old man sustains a distal forearm laceration. Surgical exploration reveals complete ulnar nerve transection but an intact median nerve. Motor examination reveals intact finger abduction and adduction. Sensory examination is?
Answer
  • intact sensation over the dorsal first web, index finger tip, and little finger tip.
  • intact sensation over the dorsal first web and index finger tip but not the little finger tip.
  • intact sensation over the dorsal first web but not the index finger or little finger tips.
  • intact sensation over the dorsal first web and little finger tip but not the index finger tip.
  • no sensation over the dorsal first web, index finger tip, and little finger tip.

Question 28

Question
SAE08AN.97) Which of the following muscle tendons inserts just lateral to the long head of biceps tendon on the proximal humerus?
Answer
  • Teres major
  • Latissimus dorsi
  • Short head of the biceps
  • Pectoralis major
  • Subscapularis

Question 29

Question
(SAE08AN.55) Which of the following muscles has dual innervation? 
Answer
  • Pronator teres
  • Flexor digitorum superificialis
  • Coracobrachialis
  • Latissimus dorsi
  • Brachialis

Question 30

Question
(SAE09TR.47) The iliopectineal fascia runs between which of the following structures
Answer
  • Iliopsoas muscle and the iliac vessels/femoral nerve
  • Lateral femoral cutaneous nerve and the iliac vessels
  • Iliopsoas muscle/femoral nerve and the iliac vessels
  • Iliac wing and the iliopsoas muscle
  • Pubic symphysis and the iliac vessels
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