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Anatomy > Unit One General Questions > Flashcards

Unit One General Questions Flashcards

1
Q

What are the borders of the quadrangular space and what goes through it?

A

Lateral: Humerus
Medial: Long head of tricep
Superior: Teres Minor
Inferior: Teres Major

Axillary Nerve
Posterior Circumflex Humeral Artery

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2
Q

What are the borders of the triangular space and what goes through it?

A

Long head of triceps, Teres minor and major

Circumflex scapular artery

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3
Q

What nerve innervates the trapezius and where is it found?

A

Accessory nerve.

Runs down the side of the neck and deep to trapezius

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4
Q

What innervates the latissimus dorsi muscle?

A

Thoracodorsal nerve.

Runs deep to scapula and deep to pectoralis major. It drops down from the axillary artery region.

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5
Q

What artery feeds the muscles of the suboccipital triangle?

A

The vertebral artery and the descending branch of the occipital artery.

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6
Q

What innervates the levator scapulae?

A

Anterior rami of C3-C4 and the dorsal scapular nerve.

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7
Q

What is innervated by the dorsal scapular nerve?

A

Levator scapulae

Rhomboid major and minor

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8
Q

At what level does the dural sac end?

A

S2-S3

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9
Q

What is the name of thin string of the spinal cord that extends off the tip of the conus medullaris?

A

Filum terminale internum and externum

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10
Q

What innervates the rhomboid muscles?

A

Dorsal Scapular Nerve

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11
Q

What innervates the levator scapulae?

A

anterior rami of C3-C4 and dorsal scapular nerve

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12
Q

What innervates the serratus posterior muscles?

A

anterior rami of upper and lower thoracic

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13
Q

What innervates the splenius capitis?

A

dorsal rami of middle cervical nerves

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14
Q

Accessory nerve

A

Runs down the side of the neck, found deep to trapezius, cranial nerve XI? innervates trapezius

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15
Q

Superficial cervical artery/vein

A

Runs deep to trapezius,

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16
Q

Thoracodorsal nerve

A

Runs vertically deep to the subscapularis muscle, innervates latissimus dorsi muscle

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17
Q

Thoracodorsal artery/vein

A

Runs vertically deep to the subscapularis muscle, feeds latissimus dorsi muscle

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18
Q

Long thoracic nerve

A

Runs superficial to the serratus anterior muscle and deep to the scapula

19
Q

Lateral thoracic artery/vein

A

Runs across the serratus anterior muscles, feeds the serratus anterior, and subscapularis

20
Q

Axillary Nerve

A

Comes through the quadrangle space, innervates the deltoid, teres minor,

21
Q

Suprascapular Nerve

A

Runs through the suprascapular notch under the superior transverse scapular ligament then around and under the spine of scapula and deep to the infraspinatus muscle,

22
Q

Suprascapular artery/vein

A

Runs over the suprascapular notch then around the spine of scapula and deep to the infraspinatus muscle,

23
Q

Posterior Circumflex humeral artery/vein

A

Runs through the quadrangular space, feeds the deltoid

24
Q

Greater Occipital Nerve

A

Posterior ramus of C2, runs over all muscles of suboccipital triangle and pierces semispinalis capitisand trapezius

25
Q

Suboccipital Nerve

A

Posterior ramus of C1, runs through the suboccipital triangle

26
Q

Vertebral Artery

A

Comes off the subclavian artery and runs through the transvers foramen of the cervical vertebrae, feeds all four muscles of the suboccipital triangle

27
Q

Dorsal Scapular Nerve

A

Innervates the rhomboid muscles and the levator scapulae

28
Q

Dorsal Scapular Artery

A

Feeds levator scapulae or rhomboids, runs under levator scapulae and along medial border of scapula

29
Q

What dermatome for clavicles?

A

C5

30
Q

What dermatome for the lateral sides of the arms?

A

C5,6

31
Q

What dermatome for the medial sides of the arms?

A

C8, T1

32
Q

What dermatome for the thumb?

A

C6

33
Q

What dermatomes for the hand?

A

C6,7,8

34
Q

What dermatome for the last two fingers?

A

C8

35
Q

What dermatome for the nipples?

A

T4

36
Q

What dermatome at level of umbilicus?

A

T10

37
Q

What dermatome at inguinal region?

A

L1

38
Q

Dermatome for the anterior and inner surfaces of lower limbs?

A

L1,2,3,4

39
Q

Dermatome for foot from medial to lateral?

A

L4->L5->S1

40
Q

Dermatome for lateral and posterior of lower limbs?

A

L5, S1, S2

41
Q

Dermatome for lateral part of foot and little toe?

A

S1

42
Q

Dermatome for perineum?

A

S2,3,4

43
Q

Dermatome for the ears?

A

C2

44
Q

What do the vertebral arteries join to become?

A

They join and become the basilar artery which feeds the brain and runs up the anterior side of the brain stem.

Anatomy (7 decks)

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