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examplify quizzes > MSK > Flashcards

MSK Flashcards

1
Q

What is the initial cell types involved in the two types of ossification?

A

Endochondral ossification - Chondrocytes
Intermembranous ossification - Mesenchymal stem cells

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2
Q

At what age do limbs start to develop?

A

4 weeks

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3
Q

An x-ray shows trabeculae, what stage of fracture healing is this?

A

Lamellar bone formation

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4
Q

Which imaging technique for metastatic cancer?

A

Nuclear imaging

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5
Q

Where would an avulsion fracture be seen with a hamstring tear?

A

Ischial tuberosity

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6
Q

What are the nerve roots of the nerve supplying gluteus maximus?

A

L5, S1, S2 (inferior gluteal nerve)

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7
Q

Which region of the tibia does the ACL insert on?

A

Anteromedial
(ACL close to MCL & medial meniscus)

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8
Q

Which muscles insert at the ‘pes anserinus’ (medial proximal tibia)?

A

Sartorius
Gracillis
semiTendinosus
(Say Grace before Tea)

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9
Q

Which muscles should be strengthened to prevent further patellar dislocations?

A

Vastus medialis

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10
Q

Where is the pre-patellar bursa?

A

House-maids knee
Slightly superior to patella as leaning forward

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11
Q

Which structure lies anterior to the poster tibial artery

A

Flexor digitorum longus tendon

Tom (Tibialis posterior)
Dick (flexor Digitorum longus)
And (posterior tibial Artery)
Very (posterior tibial Vein)
Nervous (tibial Nerve)
Harry (flexor Hallucis longus)
[ant to post]

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12
Q

Which nerve effected with a disc herniation below L5?

A

L5/S1
So S1 nerve root

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13
Q

A patient has foot drop, where is his disc herniation?

A

L3/L4

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14
Q

A woman has pain/paresthesia radiating from her back to sole of foot, what’s the diagnosis?

A

Sciatica to S1 dermatome

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15
Q

A woman can dorsiflex her ankle but cannot plantarflex or great toe extend, what is her neural level?

A

L4

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16
Q

Where is L3?

A

Anterior knee ( knee - three)

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17
Q

Swollen knee after tiling floor, diagnosis?

A

Pre-patellar bursitis

18
Q

A patient is unable to evert his foot, what nerve is damaged?

A

Superficial fibular nerve

19
Q

What function will a patient lose with a popliteal aneurysm compressing the tibial nerve?

A

Plantarflextion (P - Post)

20
Q

Where do you find the dorsalis pedis pulse?

A

Between extensor hallucis longus tendon and extensor digitorum longus tendon to the 2nd toe

21
Q

Nerve consequence of fibula fracture?

A

Common fibular nerve (wraps around fibula)
Unable to dorsiflex

22
Q

Whats the sensory function of the saphenous nerve?

A

Medial leg & medial malleolus

23
Q

Where does the sciatic nerve exit the pelvis?

A

Greater sciatic foramen

24
Q

What artery accompanies the sciatic nerve exiting through the greater sciatic foramen?

A

Inferior gluteal artery

25
Q

How will the patient present with a sciatic nerve injury just as it exits the pelvis?

A

Hip flexion - present
Hip extension - Weak (hamstrings not working, glut maximus ok though)
Knee flexion - absent
Dorsiflexion - absent

26
Q

A nerve is completely severed through the epineurium, perineurium and endoneurium - what’s the term for this called?

A

Neurotmesis

27
Q

What’s a traumatic neuroma?

A

A disordered proliferation of axons resulting in a tangled mass
Can get a nodule or pain

28
Q

What forms the anterior border of the axilla?

A

Pec major

29
Q

At what anatomical region does the axillary artery begin?

A

Border of the first rib

30
Q

Weakened internal rotation of the shoulder, which rotator cuff muscle is torn?

A

Subscapularis

31
Q

Which artery is at risk in a surgical neck of humerus fracture?

A

Posterior circumflex humoral artery

32
Q

At what joint does biceps brachii supinate?

A

Proximal radioulnar joint

33
Q

What forms the lateral aspect of the cubital tunnel?

A

Olecranon

34
Q

What nerve is at risk with a humoral supracondylar fracture?

A

Median nerve

35
Q

Which structure is most medial in the cubital fossa?

A

Median Nerve

Really Need (Radial nerve)
Beer To (Biceps Tendon)
Be At (Brachial artery)
My Nicest (Median nerve)
[lat to medial]

36
Q

What forms the medial border of the anatomical snuffbox?

A

Extensor pollicus longus

37
Q

Function of the flexor digitorum supericialis?

A

Flexion of PIP

38
Q

Lumbricals function?

A

Lumbricals 1+2 - lateral fingers
3+4 - medial fingers
Flex MCP and extends PIP/DIP

39
Q

How would you asses the anterior interosseous branch of the median nerve of a child?

A

Get them to make an OK sign

40
Q

Where is the radial and ulnar pulse palpated?

A

Radial pulse = lateral to flexor carpi radialis
Ulnar pulse = lateral to flexor ulnari radialis

41
Q

Where would you see a ‘fat pad’ sign on x-ray?

A

Radial head/neck

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