Orthopedics MCQ online 2023, Jan, 10 | 12:00 am

Anatomy Orthopedic MCQS online Bank

(SAE11AN.11) A 28-year-old man has decreased finger proximal interphalangeal (PIP) joint range of motion after open reduction and internal fixation of a proximal phalanx fracture with the use of a side plate. Examination shows greater passive PIP joint flexion with metacarpophalangeal (MP) joint extension, than when the MP joint is flexed. This finding demonstrates contracture/scarring of which of the following structures? 

 

  1. Flexor tendons

  2. Extensor tendon

  3. Oblique retinacular ligament

  4. Intrinsic muscles

  5. PIP joint

 

PREFERRED RESPONSE 2

 

(SAE11AN.85) A 59-year-old woman seen in the emergency department reports the rapid onset of pain in the left lower quadrant of her abdomen radiating to the anterior thigh that began about 4 to 5 hours ago. She also notes that now her left knee is buckling, causing her to fall to the ground. History reveals that the woman is an alcoholic and takes warfarin for atrial fibrillation. Examination reveals 1/5 quadriceps strength and pain on hip flexion against resistance. What is a likely pathoanatomic cause for her problem that should be rapidly evaluated to prevent permanent damage?

 

  1. A left posterolateral L3-4 disk herniation

  2. A spontaneous bleed into the iliopsoas sheath

  3. A spontaneous epidural hematoma at L3-4

  4. A pseudoaneurysm of the femoral artery at the femoral canal

  5. A left far lateral L4-5 disk herniation PREFERRED RESPONSE 2

 

(SAE08UE.92) What are the two terminal branches of the lateral cord of the brachial plexus? 

 

  1. Musculocutaneous and median

  2. Musculocutaneous and axillary

  3. Median and axillary

  4. Ulnar and median

  5. Ulnar and medial pectoral PREFERRED RESPONSE 1

(SAE09TR.47) The iliopectineal fascia runs between which of the following structures? 

 

  1. Iliopsoas muscle and the iliac vessels/femoral nerve

  2. Lateral femoral cutaneous nerve and the iliac vessels

  3. Iliopsoas muscle/femoral nerve and the iliac vessels

  4. Iliac wing and the iliopsoas muscle

  5. Pubic symphysis and the iliac vessels PREFERRED RESPONSE 3

 

 

(SAE08AN.100) The patient in Figure 55 is actively attempting to make a fist. This clinical scenario suggests which of the following anatomic lesions? 

 

 

 

  1. Median nerve lesion in the arm

  2. Radial nerve lesion in the arm

  3. Anterior interosseous nerve syndrome

  4. Posterior interosseous nerve syndrome

  5. Median neuropathy at the wrist PREFERRED RESPONSE 1

 

 

(SAE12TR.4) What is the most common anatomic location of the lateral femoral cutaneous nerve? 

 

  1. Deep to the psoas muscle

  2. Medial to the femoral vein

  3. Under the inguinal ligament

  4. Adjacent to the femoral nerve

  5. Deep to the iliopectineal fascia PREFERRED RESPONSE 3

 

(SAE11AN.56) A 29-year-old woman has had a 6-month history of chronic left anterolateral ankle pain after sustaining an inversion ankle sprain while playing soccer. Management consisting of rest, nonsteroidal anti-inflammatory drugs, immobilization, a cortisone injection, and 2 months of physical therapy has failed to allow her to return to her previous level of activities. Examination reveals good strength, motion, and ligamentous stability, with anterolateral ankle tenderness. Radiographs are normal. During an anterolateral approach to the left ankle, the structure labeled with the arrow in Figure 56a is noted to be impinging on the anterolateral dome of the talus and is removed as shown in Figure 56b. Removal of this structure will most likely result in which of the following? Review Topic

 

 

 

 

  1. Alleviation of her symptoms

  2. Destabilization of the syndesmosis

  3. Increase the anterior drawer but not influence the talar tilt

  4. Increase the talar tilt but not influence the anterior drawer

  5. Have no effect on her symptoms or her ankle instability PREFERRED RESPONSE 1

(SAE09TR.16) The axis of forearm rotation occurs between what two anatomic points? 

 

  1. Radial head, radial styloid

  2. Radial head, ulnar styloid

  3. Radial head, ulnar head

  4. Coronoid, sigmoid notch

  5. Coronoid, radial styloid PREFERRED RESPONSE 3

(SAE09FA.25) The peroneus tertius is a commonly used landmark for arthroscopic portal placement. What is the function of this tendon? 

 

  1. Dorsiflexion

  2. Eversion

  3. Dorsiflexion and eversion

  4. Fifth toe extension

  5. Lesser toe extension PREFERRED RESPONSE 3

 

(SAE11AN.20) A 24-year-old man has a deep knife wound across the dorsal aspect of his wrist, transecting all of his wrist and finger extensor tendons. How does the surgeon determine which of the proximal tendon stumps in the fourth dorsal compartment is the extensor indicis proprius? Review Topic

 

  1. The tendon runs in a separate compartment.

  2. The tendon has a more circular cross section.

  3. The tendon has the most distal muscle belly.

  4. The tendon is the most radial and superficial.

  5. The tendon has two separate slips.

 

PREFERRED RESPONSE 3

 

 

(SAE11AN.86) A sagittal MRI scan of the hindfoot and ankle is shown in Figure 86. The arrow points to what structure? 

 

 

 

 

  1. Posterior tibial artery

  2. Peroneal artery

  3. Flexor hallucis longus

  4. Posterior tibial nerve

  5. Calcaneal artery

 

PREFERRED RESPONSE 1

 

 

(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; however, he reports numbness over the lateral aspect of his forearm. What nerve may have been injured during his surgery? Review Topic

 

  1. Axillary

  2. Median

  3. Musculocutaneous

  4. Radial

 

PREFERRED RESPONSE 3

 

(SAE08AN.97) Which of the following muscle tendons inserts just lateral to the long head of biceps tendon on the proximal humerus? 

 

  1. Teres major

  2. Latissimus dorsi

  3. Short head of the biceps

  4. Pectoralis major

  5. Subscapularis

 

PREFERRED RESPONSE 4

 

(SAE08AN.30) Involvement of what single muscle best distinguishes an L5 radiculopathy from a peroneal neuropathy? 

 

  1. Extensor hallucis longus

  2. Extensor digitorum brevis

  3. Tibialis anterior

  4. Tibialis posterior

  5. Peroneus longus

 

PREFERRED RESPONSE 4

 

 

(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? 

 

  1. Release of the piriformis tendon

  2. Release of the anteroinferior capsule

  3. Release of the posterosuperior capsule

  4. Trochanteric osteotomy lateral to the piriformis

  5. Anterior dislocation of the femoral head PREFERRED RESPONSE 2

(SAE08AN.61) An axillary nerve lesion may cause weakness in the deltoid and the Review Topic

 

  1. teres major.

  2. teres minor.

  3. teres major and teres minor.

  4. latissimus dorsi.

  5. latissimus dorsi and teres major. PREFERRED RESPONSE 2

 

(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 likely to reveal Review Topic

 

  1. intact sensation over the dorsal first web, index finger tip, and little finger tip.

  2. intact sensation over the dorsal first web and index finger tip but not the little finger tip.

  3. intact sensation over the dorsal first web and little finger tip but not the index finger tip.

  4. intact sensation over the dorsal first web but not the index finger or little finger tips.

  5. no sensation over the dorsal first web, index finger tip, and little finger tip.

 

PREFERRED RESPONSE 2

 

 

(SAE11AN.21) Figure 21 shows a coronal T1-weighted MRI scan of the knee. The arrow indicates what anatomic structure? 

 

 

 

 

  1. Posterior cruciate ligament: anterolateral bundle

  2. Posterior cruciate ligament: posteromedial bundle

  3. Meniscofemoral ligament

  4. Popliteus

  5. Oblique popliteal ligament PREFERRED RESPONSE 3

 

(SAE07SM.93) An 18-year-old rugby player has had pain in his ring finger after missing a tackle 1 week ago. Examination reveals tenderness in the distal palm, and he is unable to actively flex the distal interphalangeal (DIP) joint. Radiographs are normal. What is the most appropriate management? 

 

  1. Acute tendon repair

  2. DIP joint extension splinting for 6 weeks

  3. DIP and proximal interphalangeal joint extension splinting for 6 weeks

  4. Buddy taping to the middle finger for 2 weeks

  5. Early range-of-motion exercises and return to play as pain permits PREFERRED RESPONSE 1

 

(SAE11AN.85) A 59-year-old woman seen in the emergency department reports the rapid onset of pain in the left lower quadrant of her abdomen radiating to the anterior thigh that began about 4 to 5 hours ago. She also notes that now her left knee is buckling, causing her to fall to the ground. History reveals that the woman is an alcoholic and takes warfarin for atrial fibrillation. Examination reveals 1/5 quadriceps strength and pain on hip flexion against resistance. What is a likely pathoanatomic cause for her problem that should be rapidly evaluated to prevent permanent damage? Review Topic

 

  1. A left posterolateral L3-4 disk herniation

  2. A spontaneous bleed into the iliopsoas sheath

  3. A spontaneous epidural hematoma at L3-4

  4. A pseudoaneurysm of the femoral artery at the femoral canal

  5. A left far lateral L4-5 disk herniation PREFERRED RESPONSE 2

 

(SAE08AN.49) The anatomy of the sciatic nerve as it exits the pelvis is best described as exiting through the 

 

  1. greater sciatic notch and passing between the inferior gemellus and the obturator externus.

  2. greater sciatic notch and passing between the piriformis and the superior gemellus.

  3. obturator foramen and passing between the obturator internus and the obturator externus.

  4. lesser sciatic notch and passing between the piriformis and the superior gemellus.

  5. lesser sciatic notch and passing between the superior gemellus and the inferior gemellus.

 

PREFERRED RESPONSE 2

 

 

(SAE11AN.75) The peroneal division of the sciatic nerve innervates which of the following muscles in the thigh? 

 

  1. Long head of the biceps femoris

  2. Short head of the biceps femoris

  3. Semimembranosus

  4. Semitendinosus

  5. Lateral head of the gastrocnemius PREFERRED RESPONSE 2

 

(SAE11AN.88) An axial MRI scan of an ankle is shown in Figure 88. The arrow indicates what tendinous structure? 

 

 

 

 

  1. Posterior tibial

  2. Peroneus longus

  3. Peroneus brevis

  4. Flexor digitorum longus

  5. Flexor hallucis longus PREFERRED RESPONSE 5

 

 

(SAE11AN.3) Which of the following vascular structures provides the most significant secondary contribution to the blood supply of the femoral head? 

 

  1. Lateral femoral circumflex artery

  2. Superior gluteal artery

  3. Inferior gluteal artery

  4. Circumflex iliac artery

  5. Superficial femoral artery PREFERRED RESPONSE 3

 

(SAE08OS.95) Figure 31 shows an MRI scan of a left shoulder. The arrow is pointing to what structure? 

 

 

 

 

  1. Long head of the biceps

  2. Supraspinatus

  3. Subscapularis

  4. Coracoacromial ligament

  5. Middle glenohumeral ligament PREFERRED RESPONSE 1

 

 

(SAE11AN.12) Figure 12a shows a cross section of the pelvis at the level of the greater trochanters. What structure is marked with the arrow? 

 

 

 

 

  1. Adductor magnus

  2. Obturator internus

  3. Obturator externus

  4. Pectineus

  5. Adductor brevis

 

PREFERRED RESPONSE 2

 

(SAE11AN.79) Figure 79a shows the cross-section image of the mid thigh. What structure is marked by the arrow? 

 

 

 

 

  1. Biceps femoris

  2. Adductor magnus

  3. Semitendinosus

  4. Gracilis

  5. Semimembranosus

 

PREFERRED RESPONSE 5

 

 

(SAE11AN.37) During the posterolateral approach to the hip, the sciatic nerve is most frequently identified passing between which of the following structures? 

 

  1. Obturator internus and superior gemellus

  2. Obturator internus and inferior gemellus

  3. Piriformis and superior gemellus

  4. Piriformis and gluteus minimus

  5. Inferior gemellus and obturator externus PREFERRED RESPONSE 3

 

 

(SAE11AN.93) Figure 93 shows an arthroscopic view of a left shoulder (posterior portal, beach chair position). The asterisk indicates what anatomic structure? 

 

 

 

 

  1. Subscapularis

  2. Superior glenohumeral ligament

  3. Middle glenohumeral ligament

  4. Anterior labrum

  5. Biceps tendon

 

PREFERRED RESPONSE 3

 

 

(SAE11AN.68) Figure 68 shows the view from a posterosuperior shoulder arthroscopic portal. The muscle associated with the tendinous structure shown is innervated by what nerve? 

 

 

 

 

  1. Axillary

  2. Median

  3. Musculocutaneous

  4. Radial

  5. Ulnar

 

PREFERRED RESPONSE 3

 

(SAE07SM.6) A 30-year-old elite marathon runner reports chronic pain over the lateral aspect of the distal right leg and dysesthesia over the dorsum of the foot with active plantar flexion and inversion of the foot. Examination reveals a tender soft-tissue fullness approximately 10 cm proximal to the lateral malleolus. The pain is exacerbated by passive plantar flexion and inversion of the ankle. There is also a positive Tinel’s sign over the site of maximal tenderness. There is no motor weakness, and deep tendon reflexes are normal. Radiographs and MRI of the leg are normal. What is the next most appropriate step in management? Review Topic

 

  1. Biopsy of the soft-tissue mass

  2. Epidural corticosteroid injection into the lumbar spine

  3. Four-compartment fasciotomy of the leg

  4. Fascial release and neurolysis of the superficial peroneal nerve

  5. Closure of the fascial defect of the superficial peroneal nerve PREFERRED RESPONSE 4

 

(SAE11AN.31) During a lateral approach to the left ankle of a 69-year-old woman with a displaced bimalleolar fracture, the structure labeled with an arrow in Figure 31 is encountered. Which of the following is an accurate statement concerning this structure? Review Topic

 

 

 

 

  1. Proximally, this nerve innervates the muscles of the anterior compartment.

  2. Proximally, this nerve innervates the muscles of the lateral compartment.

  3. This is strictly a sensory nerve to the lateral foot.

  4. This nerve innervates the extensor digitorum brevis muscle

  5. This nerve supplies sensation to the dorsal aspect of the first interspace. PREFERRED RESPONSE 2

 

(SAE08AN.55) Which of the following muscles has dual innervation? 

 

  1. Pronator teres

  2. Flexor digitorum superificialis

  3. Coracobrachialis

  4. Latissimus dorsi

  5. Brachialis

 

PREFERRED RESPONSE 5

 

 

(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? 

 

  1. More dorsal in the upper lumbar spine and more ventral in the lower lumbar spine

  2. More ventral in the upper lumbar spine and more dorsal in the lower lumbar spine

  3. Equally dorsal (junction of anterior two thirds and posterior one third) in the psoas along the lumbar spine

  4. Equally ventral (junction of anterior one third and posterior two thirds)in the psoas along the lumbar spine

  5. In the midportion of the psoas along the lumbar spine PREFERRED RESPONSE 1

 

(OBQ13.242) A 32-year-old man undergoes a proximal femoral replacement as part of his care for a sarcoma of the proximal femur. Three-months postoperatively, he returns for a routine follow-up office visit. Which physical exam finding would most likely be positive? 

 

 

 

 

  1. Trendelenburg sign

  2. Flexion, adduction and internal rotation test

  3. Ober test

  4. Patrick test

  5. Thomas test

 

PREFERRED RESPONSE 1

 

(SAE08AN.65) Which of the following tendons is found in the same dorsal compartment of the wrist as the posterior interosseous nerve? 

 

  1. Extensor digiti minimi

  2. Extensor carpi radialis brevis

  3. Extensor pollicis longus

  4. Extensor indicis proprius

  5. Abductor pollicis longus PREFERRED RESPONSE 4

 

 

(SAE11AN.60) A boutonniere deformity is treated with distal extensor tenotomy. What structures allow for active extension at the distal interphalangeal (DIP) joint after tenotomy? 

 

  1. Lateral bands

  2. Sagittal bands

  3. Central slip

  4. Oblique retinacular ligament

  5. A healed but lengthened terminal extensor tendon PREFERRED RESPONSE 4

 

(SAE08AN.4) When performing surgical excision of the lesion shown in the MRI scan in Figure 3, what nerve is most likely at risk? 

 

 

 

 

  1. Deep branch of the ulnar nerve

  2. Anterior interosseous branch of the median nerve

  3. Recurrent branch of the median nerve

  4. Recurrent branch of the ulnar nerve

  5. Palmar cutaneous branch of the ulnar nerve PREFERRED RESPONSE 3

 

(SAE11AN.78) What osseous ridge separates the femoral attachments of the anteromedial and posterolateral bundles of the anterior cruciate ligament? 

 

  1. Lateral intercondylar ridge

  2. Lateral bifurcate ridge

  3. Lateral interfemoral ridge

  4. Lateral interfascicular ridge

  5. Lateral cruciate ridge PREFERRED RESPONSE 2

 

 

(SAE11AN.17) During an anterior retroperitoneal approach to the lumbar spine, what nerve is encountered lying on the anteromedial surface of the psoas muscle? 

 

  1. Genitofemoral

  2. Ilioinguinal

  3. Femoral

  4. Lateral femoral cutaneous

  5. Iliohypogastric

 

PREFERRED RESPONSE 1

 

 

(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)? 

 

  1. Acromial branch of the thoracoacromial artery

  2. Axillary artery

  3. Arcuate artery

  4. Suprascapular artery

  5. Subclavian artery

 

PREFERRED RESPONSE 1

 

(SAE11AN.6) Figure 6 shows a sagittal oblique MRI scan of a right shoulder. The asterisk indicates what anatomic structure? 

 

 

 

 

  1. Subscapularis

  2. Supraspinatus

  3. Infraspinatus

  4. Teres minor

  5. Teres major

 

PREFERRED RESPONSE 1

 

 

(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. Which of the following would best describe the neurologic deficit? 

 

  1. Conus medullaris injury

  2. Incomplete spinal cord injury

  3. Cauda equina injury

  4. Central cord syndrome

  5. Anterior cord syndrome PREFERRED RESPONSE 1

 

(SAE09TR.50) A 35-year-old man sustained a 1-inch stab incision in his proximal forearm while trying to use a screwdriver 2 weeks ago. The laceration was routinely closed, and no problems about the incision site were noted. He now reports that he has been unable to straighten his fingers or thumb completely since the injury. Clinical photographs shown in Figures 30a and 30b show the man passively flexing the wrist. What is the most appropriate management? 

 

 

 

 

  1. Nerve conduction velocity studies and electromyography

  2. Extension splinting of the fingers

  3. Exploration and repair of the extensor tendon laceration

  4. Exploration and repair of the posterior interosseous nerve

  5. Observation

 

PREFERRED RESPONSE 4

 

 

(SAE11AN.61) Figure 61a shows the cross-sectional anatomy of the pelvis at the level of the femoral heads. What structure is marked by the arrow? 

 

 

 

 

  1. Rectus femoris

  2. Sartorius

  3. Iliacus

  4. Obturator externus

  5. Tensor fascia lata PREFERRED RESPONSE 3

 

(SAE08OS.92) Which of the following neurovascular structures is closest to the posterior capsule of the knee? 

 

  1. Popliteal vein

  2. Popliteal artery

  3. Posterior tibial nerve

  4. Common peroneal nerve

  5. Sural nerve

 

PREFERRED RESPONSE 2

 

 

(SAE13PE.74) The main blood supply to the capital femoral epiphysis in a 10-year-old child is supplied from the 

 

  1. artery of the ligamentum teres.

  2. epiphyseal branch of the lateral femoral circumflex artery.

  3. posterosuperior and posteroinferior retinacular branches of the lateral femoral circumflex artery.

  4. posterosuperior and posteroinferior retinacular branches of the medial femoral circumflex artery.

 

PREFERRED RESPONSE 4

 

 

(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? 

 

  1. Loss of digital extension

  2. Weakness of the interossei

  3. Decreased sensation in the ring and little fingers

  4. Decreased sensation in the ulnar dorsal forearm

  5. Loss of flexor pollicis longus function PREFERRED RESPONSE 1

 

(SAE09TR.70) What vessel is marked with an asterisk in Figure 44? 

 

 

 

 

  1. Obturator artery

  2. Inferior epigastric artery

  3. Superior gluteal artery

  4. Internal pudendal artery

  5. Lateral sacral artery PREFERRED RESPONSE 3

 

(SAE08AN.95) Figure 53 shows the arteriogram of a 45-year-old man who has severe vasculitis. What do the findings show? 

 

 

 

 

  1. A patent ulnar artery and deep palmar arch

  2. A patent ulnar artery and superficial palmar arch

  3. A patent radial artery and deep palmar arch

  4. A patent radial artery and superficial palmar arch

  5. A patent radial artery and an ulnar artery aneurysm PREFERRED RESPONSE 3

 

(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 surface or the posterior cruciate ligament (PCL) fossa requires dissection of what structure? 

 

  1. Popliteus

  2. Plantaris

  3. Semitendinosus

  4. Gracilis

  5. Soleus

 

PREFERRED RESPONSE 1

 

 

(SAE11AN.81) An L3 radiculopathy is best differentiated from a femoral neuropathy by testing what muscle? 

 

  1. Quadriceps

  2. Adductor longus

  3. Iliacus

  4. Sartorius

  5. Psoas

 

PREFERRED RESPONSE 2

 

(SAE08OS.55) Figures 16a and 16b show the radiographs of a 2-year-old boy who has right arm swelling and pain. He also has multiple scalp lesions and chronic ear pain that has failed to respond to antibiotics. A biopsy specimen is shown in Figure 16c. Figure 16d shows an immunohistochemical stain with CD1a. What is the most likely diagnosis?

 

 

 

  1. Langerhans' cell histiocytosis

  2. Aneurysmal bone cyst

  3. Ewing's sarcoma

  4. Osteomyelitis

  5. Ollier's enchondromatosis

 

PREFERRED RESPONSE 1

 

(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? 

 

  1. Metaphyseal vessels

  2. Medial epiphyseal artery

  3. Superficial branch of the medial femoral circumflex artery

  4. Deep branch of the lateral femoral circumflex artery

  5. Deep branch of the medial femoral circumflex artery PREFERRED RESPONSE 5

 

 

(SAE08AN.11) A 21-year-old man sustains multiple gunshot wounds to his right upper extremity. He can not extend his digits or his thumb but can extend and radially deviate his wrist. An injury to the radial nerve or one of its branches has most likely occurred at which of the following locations? 

 

  1. Spiral groove of the humerus

  2. Midshaft of the radius

  3. Radial neck

  4. Anatomic neck of the humerus

  5. Surgical neck of the humerus PREFERRED RESPONSE 3

 

 

(SAE10SM.3) Which of the following statements best describes the anatomy of the sartorial branch of the saphenous nerve during medial meniscal repair? 

 

  1. The nerve is reliably extrafascial at the joint line.

  2. The nerve is anterior to the sartorius.

  3. The nerve becomes extrafascial between the gracilis and the semitendinosus.

  4. The nerve is anterior to the semitendinosus with the knee in extension.

  5. The sartorial branch exits the adductor canal and travels to the anteromedial aspect of the knee.

 

PREFERRED RESPONSE 4

 

(SAE11AN.58) Following a posterior approach to the radius (dorsal Thompson), the patient is unable to extend his thumb and index finger at the metacarpophalangeal joint. He has sensation to the radial forearm and dorsal thumb and can extend his wrist but with radial deviation. What nerve was injured? 

 

  1. Radial

  2. Posterior interosseous

  3. Anterior interosseous

  4. Median

  5. Musculocutaneous

 

PREFERRED RESPONSE 2

 

(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?

 

 

  1. Anterior interosseous nerve

  2. Posterior interosseous nerve

  3. Radial nerve

  4. Ulnar nerve

  5. Lateral antebrachial cutaneous nerve PREFERRED RESPONSE 1

 

(SAE11AN.38) Figure 38a shows the cross-sectional anatomy of the proximal thigh. What structure is indicated by the arrow? 

 

 

 

 

  1. Adductor magnus

  2. Adductor longus

  3. Adductor brevis

  4. Sartorius

  5. Gracilis

 

PREFERRED RESPONSE 2