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Quiz

Musculoskeletal anatomy fill in the blanks

Trisha Hoque Hossain 17 Fragen

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  1. 1A fracture of the [blank_start]surgical neck of humerus[blank_end] places the axillary nerve at risk of injury. This nerve passes through the [blank_start]quadrangular space[blank_end], the lateral border of which is the [blank_start]surgical neck of humerus[blank_end]. This nerve innervates the [blank_start]deltoid muscle[blank_end] and the [blank_start]teres minor muscle[blank_end]. The clinical features of injury to this nerve include weakness of shoulder [blank_start]abduction[blank_end] and sensory loss in the [blank_start]lateral upper arm[blank_end].
    1. Asurgical neck of humerus
    2. Bquadrangular space
    3. Csurgical neck of humerus
    4. Ddeltoid muscle
    5. Eteres minor muscle
    6. Fabduction
    7. Glateral upper arm
  2. 2Laceration of the [blank_start]profunda brachii artery[blank_end] might occur if one suffers a midshaft fracture of the humerus. This artery accompanies the [blank_start]radial nerve[blank_end] in the [blank_start]spiral groove[blank_end] of the humerus. A [blank_start]surgical neck fracture[blank_end] may lacerate the [blank_start]posterior circumflex humeral artery[blank_end], which accompanies the axillary nerve through the quadrangular space.
    1. Aprofunda brachii artery
    2. Bradial nerve
    3. Cspiral groove
    4. Dsurgical neck fracture
    5. Eposterior circumflex humeral artery
  3. 3Weakness of [blank_start]internal rotation[blank_end] of the arm may result from a lesion to the [blank_start]posterior cord[blank_end] of the brachial plexus and one or more of the subscapular nerves, or injury to the lateral or medial pectoral nerves. The major [blank_start]internal rotators[blank_end] of the arm at the shoulder are the [blank_start]subscapularis muscle[blank_end], innervated by the upper subscapular nerve and lower subscapular nerve, the [blank_start]latissimus dorsi muscle[blank_end], innervated by the middle subscapular nerve, [blank_start]teres major[blank_end], innervated by the lower subscapular nerve, and the [blank_start]pectoralis major muscle[blank_end], innervated by the lateral and medial pectoral nerves.
    1. Aposterior cord
    2. Bsubscapularis muscle
    3. Clatissimus dorsi muscle
    4. Dteres major
    5. Epectoralis major muscle
    6. Finternal rotators
    7. Ginternal rotation
  4. 4Weakness in the ability to [blank_start]elevate the scapula[blank_end] may result from a lesion of the [blank_start]accessory nerve[blank_end]; this nerve may be lacerated by a wound to the lateral neck, but not by a humeral fracture. This nerve innervates the trapezius muscle.
    1. Aelevate the scapula
    2. Baccessory nerve
  5. 5Winging of the scapula results from an injury to the [blank_start]long thoracic nerve[blank_end], which innervates the [blank_start]serratus anterior muscle[blank_end]. This presents as protrusion of the [blank_start]medial border[blank_end] of the scapula when the patient [blank_start]pushes[blank_end] against a wall. There will be no [blank_start]sensory[blank_end] deficits. The nerve is subject to injury during axillary surgery, such as axillary node dissection for breast cancer.
    1. Along thoracic nerve
    2. Bserratus anterior muscle
    3. Cmedial border
    4. Dpushes
    5. Esensory
  6. 6This patient has weakness of the anterior compartment muscles (loss of [blank_start]dorsiflexion[blank_end] ) and lateral compartment muscles ( unopposed [blank_start]inversion[blank_end] ) of the leg. These muscles are innervated by the [blank_start]deep peroneal nerve[blank_end] and [blank_start]superficial peroneal nerve[blank_end], respectively. Both of these nerves are branches of the [blank_start]common peroneal nerve[blank_end] .

    Also, the [blank_start]superficial peroneal nerve[blank_end] and [blank_start]deep peroneal nerve[blank_end] provide sensory innervation to the [blank_start]dorsum[blank_end] of the foot. The [blank_start]superficial peroneal nerve[blank_end] provides sensory innervation to most of the [blank_start]dorsum[blank_end] of the foot. The deep peroneal nerve provides sensory innervation to the webspace between the [blank_start]first and second digit[blank_end].

    The [blank_start]common peroneal nerve[blank_end] is superficially located at the neck of the fibula. The patient likely compressed this nerve by lying on her [blank_start]right side[blank_end] or supine with the right leg [blank_start]externally rotated[blank_end] for long periods of time.
    1. Adorsiflexion
    2. Binversion
    3. Cdeep peroneal nerve
    4. Dsuperficial peroneal nerve
    5. Ecommon peroneal nerve
    6. Fsuperficial peroneal nerve
    7. Gdeep peroneal nerve
    8. Hdorsum
    9. Isuperficial peroneal nerve
    10. Jdorsum
    11. Kfirst and second digit
    12. Lcommon peroneal nerve
    13. Mright side
    14. Nexternally rotated
  7. 7The [blank_start]femoral nerve[blank_end] innervates the muscles and the skin of the anterior thigh. Weakness of these muscles would cause weakness of [blank_start]knee extension[blank_end].

    The [blank_start]obturator nerve[blank_end] innervates the muscles of the medial thigh and the skin in this region. Weakness of these muscles would cause weakness of [blank_start]hip adduction[blank_end].

    The sciatic nerve divides to become the [blank_start]tibial nerve[blank_end] and the [blank_start]common peroneal nerve[blank_end]. The [blank_start]tibial nerve[blank_end] innervates the muscles of the calf and the skin of the s[blank_start]ole of the foot.[blank_end] The calf muscles are responsible for [blank_start]plantar flexion[blank_end] and sensation on the [blank_start]sole of the foot[blank_end].
    1. Afemoral nerve
    2. Bknee extension
    3. Cobturator nerve
    4. Dhip adduction
    5. Etibial nerve
    6. Fcommon peroneal nerve
    7. Gtibial nerve
    8. Hole of the foot.
    9. Iplantar flexion
    10. Jsole of the foot
  8. 8The [blank_start]common peroneal nerve[blank_end] is susceptible to compression injury due to its superficial location at the [blank_start]neck of the fibula[blank_end]. Deficits include weakness of anterior compartment muscles ([blank_start]foot drop[blank_end]) and weakness of lateral compartment muscles ([blank_start]unopposed inversion[blank_end]). Loss of sensation on the [blank_start]dorsum of the foot[blank_end] may also be present.
    1. Acommon peroneal nerve
    2. Bneck of the fibula
    3. Cfoot drop
    4. Dunopposed inversion
    5. Edorsum of the foot
  9. 9The [blank_start]hamate bone[blank_end] is the small bone in the distal row of carpal bones in the wrist that sits directly proximal to the little and ring fingers (5th and 4th digits). It has a bony protrusion, the [blank_start]hook of the hamate[blank_end], which is very vulnerable to trauma of the palm, particularly in the settings of a person hitting the ground forcibly with a stick (including a golf club) or falling on an [blank_start]outstretched hand[blank_end]. An x-ray or CT scan of the wrist can confirm the diagnosis. Therapy involves [blank_start]open reduction with fixation[blank_end] or [blank_start]excision of the bone fragment[blank_end].
    1. Ahamate bone
    2. Bhook of the hamate
    3. Coutstretched hand
    4. Dopen reduction with fixation
    5. Eexcision of the bone fragment
  10. 10The [blank_start]ulnar nerve[blank_end] crosses the wrist immediately lateral to the hook of the hamate and can be injured in such a fracture. If that occurs, there will be sensory symptoms on the [blank_start]medial[blank_end] side of the hand on both the dorsal and palmar surfaces of the hand and there could be motor loss in many of the [blank_start]intrinsic muscle[blank_end] of the hand (not including the [blank_start]thenar muscles[blank_end] or the [blank_start]first two lumbrical muscles[blank_end]).

    Because the [blank_start]flexor digiti minimi[blank_end] and [blank_start]opponens digiti minimi[blank_end] have their origins on the hook of the hamate, [blank_start]flexion[blank_end] of the fifth digit against resistance causes pain at the fracture site.
    1. Aulnar nerve
    2. Bmedial
    3. Cintrinsic muscle
    4. Dthenar muscles
    5. Efirst two lumbrical muscles
    6. Fflexor digiti minimi
    7. Gopponens digiti minimi
    8. Hflexion

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Beschreibung
USMLE Step 1 Anatomy Quiz am Musculoskeletal anatomy fill in the blanks, erstellt von Trisha Hoque Hossain am 28/09/2019.
Sprache
English
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