Random Anatomy- Exam 2 Flashcards

1
Q

Injury to superior gluteal nerve

A

Paralysis of gluteus medius

Trendelenburg test-pelvis descends to unsupported side
“Hip drop”
Gluteal gait “waddling”

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2
Q

Trochantric and ischial bursitis

A

Point tenderness over greater trochanter

Excessive friction (cycling) “pain in the butt bone”

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3
Q

Hamstring injuries

A

Common in runners

Tear from attachment (ischial tuberosity)

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4
Q

Injury to sciatic nerve

A

Compression of sciatic nerve by piriformis- piriformis syndrome

Wound or surgery on medial side ➡️ injury to sciatic nerve ➡️ paralysis of hamstring ➡️ inability to extend and flex leg

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5
Q

Intragluteal injection

A

Superolatetal quadrant is safe area for injection

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6
Q

Tibialis anterior strain

A

“Shin splint”
Pain and inflammation of distal 2/3 of tibia

Common in runners

Tear in periosteum or point of attachment of TA

Can be avoided by proper warm up and cool down

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7
Q

Injury to common fibular nerve

A

High risk of injury due to anatomical location

FOOT DROP
Making the limb “too long”
Paralysis of all muscles of anterior and lateral compartments (dorsiflexors of ankle and evertors of foot)
Loss of sensation on anterolateral leg & dorsum of foot

Compensations: waddling gait, swing-out gait, high stepping stoppage gait

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8
Q

“Ski boot syndrome”

A

Deep fibular nerve entrapment

Pain in anterior compartment

Compression by tight fitting ski boots at extensor retinaculum

Soccer player, runners and use of tight shoes

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9
Q

Superficial fibular nerve entrapment

A

Chronic ankle pain

Numbness and paresthesia

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10
Q

First sign of PVD

A

Weak or absent dorsal is pedis pulses

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11
Q

Tennis leg

A

Gastrocnemius strain

At musculotendinous junction

By over stretching; full extension of knee and dorsiflexion of ankle

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12
Q

Posterior tibial pulse

A

Palpated b/w medial malleolus and calcaneal tendon

Invert the foot

Signs of peripheral arterial disease

  1. Weak or absent pulses
  2. Intermittent claudication
  3. Atherosclerosis
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13
Q

Tibial nerve injury

A

Deep laceration or posterior dislocation of knee

Inability to plantarflex

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14
Q

Calcaneal tendon reflex

A

Tests S1 and S2 roots

Absent reflex in damage to spinal cord

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15
Q

Calcaneal bursitis

A

Common sports injury

Pain posterior to heel

Due to excessive friction of bursa

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16
Q

Femoral hernia

A

Protrusion of loop of guy through femoral ring (weak spot)

More common in women bc wider pelvis

Hernia may become subcutaneous after passing through saphenous opening

Strangulation of hernia is a surgical emergency ➡️ bowel obstruction

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17
Q

Femoral artery pulse and cannulation

A

Strong pulsation inferior to inguinal ligament
Weak or absent if kink in aorta
Can be compressed to control bleeding
Used for left heart cath

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18
Q

Femoral vein pulse and cannulation

A

Not palpable

Great saphenous vein empties 3 cm inferior to inguinal ligament

Right heart cath to measure PCWP

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19
Q

Lumbar plexus

A

L1-L4

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20
Q

Sacral plexus

A

L4-S4

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21
Q

Structures perforating diaphragm:

A

T8-IVC

T10- esophagus, vagus

T12- aorta

I 8 10 Eggs At 12

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22
Q

How many vertebrae are there?

In each section?

A
33
7 cervical
12 thoracic (for 12 thoracic ribs)
5 lumbar
5 sacral (fused)
4 coccygeal (fused)
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23
Q

Length of spinal cord

A

Extends from foramen magnum to L1/L2 in adult and L3 in new born
(Moves up with age)

41-48cm long

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24
Q

Spinal cord terminates at?

A

Conus medullaris (L2)

25
Q

Extends down and anchors spinal cord in lower sacral region

A

Filum terminale

26
Q

Cauda equina

A

(Horse tail)

The nerve group in lower dural sac (L1-S5)

27
Q

What binds the epidural space posteriorly?

A

Ligametum flavum

28
Q

Epidural space

A

The space above dura mater that surrounds meninges

Extends from foramen magnum to sacral hiatus

Widest at L2, narrowest at C5

Filled with fat and network of veins

29
Q

A potential/hidden space that can be opened by the separation of the arachnoid mater from dura mater as a result of trauma or tumor

A

Subdural space

30
Q

Subarachnoid space

A

Located b/w arachnoid mater and pia mater and contains CSF

31
Q

Blood supply to spinal cord and nerve roots comes from where?

A

A single anterior spinal artery & paired posterior spinal arteries

32
Q

The main site of action of neuraxial blockage is where?

A

The nerve roots

33
Q

Structures pierced during lumbar puncture b/w L4 & L5

A
  1. Skin
  2. Subcutaneous tissue
  3. Supraspinous ligament
  4. Interspinous ligament
  5. Ligamentum flavum
  6. Epidural space
  7. Dura mater
  8. Subdural space
  9. Arachnoid mater
  10. Subarachnoid space- CSF
34
Q

Hip and thigh contusion

A

Most common support injury of hip

Charley horse

35
Q

Tests femoral nerve and L2-L4 spinal segments

A

Patellar reflex “knee jerk”

36
Q

Cannot extend leg

A

Paralysis of quadriceps

37
Q

Chondromalacia of patella

A

“Runner’s knee”

Due to trauma, extreme flexion or running

38
Q

Tearing of proximal attachment of flexor and adductors due to sprinting or gymnastics

A

Groin pull

39
Q

Coxa vara

A

Decreased angle of inclination

40
Q

Coxa valga

A

Increased angle of inclination

41
Q

What is the “push-off” muscle for walking?

A

Flexor hallucis longus

42
Q

Most common site of femur fracture

A

Femoral neck

43
Q

Osgood-Schlatter disease

A

Epiphysial fracture causing inflammation and chronic recurrent pain during adolescence

44
Q

Which 3 muscles form “pea anserinus” on medial surface of superior tibia

A

Sartorius
Gracilis
Semitendinosus

45
Q

Which muscle is not supplied by tibial division of sciatic nerve in posterior thigh muscles?

A

Biceps femoris short head- common fibular division

46
Q

Anterior compartment of leg supplied by which nerve and artery?

A

Deep fibular nerve and anterior tibial artery

47
Q

The lateral compartment aka “?” Compartment are supplied by which nerve?

A

Evertor

Superficial fibular nerve

48
Q

Posterior compartment supplied by which nerve?

A

Tibial division

49
Q

Which 3 muscles makeup the triceps surae?

A

Gastrocnemius, soleus, plantaris

50
Q

Positive trendelenburg test

A

Injury to superior gluteal nerve/ gluteus medius

Contralateral hip drop

51
Q

Compensations for foot drop

A

Waddling gait
Swing-out gait
High steppage gait

52
Q

What is the function of the arches of foot?

A

Allows foot to hold up weight

Shock absorber

53
Q

What would you do for rub fracture or after thoracic surgery?

A

Intercostal block

54
Q

3 functions of larynx

A
  1. Provide patent airway
  2. Switching mechanism to route air & food
  3. Voice production
55
Q

Lobes of liver

A

Right
Left
Caudate
Quadrate

56
Q

Sequence of excitation

A

Sinoatrial node > internodal tracts > atrioventricular node > AV bundle > bundle branches > subendocardial branches > ventricular muscle

57
Q
Heart shaped body
Facets for head of rib
Smaller vertebral foramen
Long and strong transverse processes
Long spinous processes
A

Thoracic vertebrae

58
Q

Larger and heavier kidney shaped body
Triangular vertebral foramen
Long and slender transverse processes
Hatchet-shaped short spinous processes

A

Lumbar vertebrae

59
Q

Rupture ACL and PCL of knee

A

ACL- free tibia slides anteriorly under fixed femur

PCL- free tibia slides posteriorly under fixed femur