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PA School > Anatomy Exam 1 Part 1 > Flashcards

Anatomy Exam 1 Part 1 Flashcards

1
Q

What is contained in the investing layer?

A

SCM and upper trapezious

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2
Q

What is contained in the muscular portion of the pretracheal layer?

A

infrahyoid and suprahyoid

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3
Q

What is contained in the visceral portion of the pretracheal layer?

A

larynx, trachea, pharynx

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4
Q

What is contained in the prevertebral layer?

A

Scalenes

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5
Q

What is contained in the carotid sheath (4)?

A

Common carotid artery, internal carotid artery, internal jugular vein, vagus nerve

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6
Q

Innervation of the platysma?

A

Cranial nerve 7

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7
Q

Attachments, actions, and innervation of sternocleidomastoid?

A

O: Sternum and clavicle
I: Mastoid process
A: rotates the head to the opposite side and bends it to the same side
INRV: Cranial nerve 11

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8
Q

Actions and innervation of upper trapezius?

A

A: rotates the head to the opposite side and bends it to the same side
INRV: Cranial nerve 11

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9
Q

Name the four infahyoid muscles and their action?

A

Sternohyoid, sternothyoid, thyohoid, omohyoid. A: Depress hyoid bone

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10
Q

Name attachments, actions, and innervation of sternohyoid?

A

O: Sternum
I: Hyoid
A: Depress hyoid
INRV: ansa cervicalis

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11
Q

Name attachments, actions, and innervation of sternothyoid?

A

O: Sternum
I: Thyroid cartilage
A: Depress hyoid
INRV: ansa cervicalis

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12
Q

Name attachments, actions, and innervation of thyrohyoid?

A

O: thyroid cartilage
I: Hyoid bone
A: Depress hyoid
INRV: CN 12

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13
Q

Name attachments, actions, and innervation of omohyoid?

A

O: Scapula
I: Hyoid bone
A: Depress hyoid
INRV: ansa cervicalis

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14
Q

Identify the four suprahyoid muscles and their action?

A

Mylohyoid, geniohyoid, stylohyoid, digsatric A: elevate hyoid

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15
Q

Name attachments, actions, and innervation of mylohyoid?

A

O: Mandible
I: Hyoid bone
A: elevate hyoid
INRV: CN 5

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16
Q

Name attachments, actions, and innervation of geniohyoid?

A

O: Mandible
IL Hyoid bone
A: Elevate hyoid
INRV: CN 12

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17
Q

Name attachments, actions, and innervation of stylohyoid?

A

O: Styloid process
I: hyoid bone
A: Elevate hyoid
INRV: CN 7

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18
Q

Name attachments, actions, and innervation of digastric?

A

O: Anterior belly: mandible, posterior belly: temporal bone
I: hyoid bone
A: elevate hyoid
INRV: Ant belly: CN5, post belly: CN7

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19
Q

Attachments and actions for scalenes

A

Anterior and middle: Rib 1, posterior: Rib 2

Action: bend head to same side

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20
Q

Longus colli/capitis are commonly called what?

A

Deep neck flexors

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21
Q

Thyroid is deep to the _________?

A

Infrahyoid muscles

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22
Q

Part of pharynx superior to soft palate?

A

Nasopharynx

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23
Q

Part of pharynx from soft palate to epiglottis?

A

Oropharynx

24
Q

Part of pharynx from epiglottis to cricoid cartilage

A

Laryngopharynx

25
Q

What does the Vagus nerve (CN10) supply?

A

Larynx

26
Q

What bone hole does the Vagus nerve pass through?

A

Jugular foramen

27
Q

Where does the right recurrent laryngeal nerve loop under?

A

Right subclavian arch

28
Q

Where does left recurrent laryngeal nerve loop under?

A

Aortic arch

29
Q

What does inferior laryngeal nerve supply?

A

all laryngeal muscles except cricothyroid muscle

30
Q

Name the three aortic branches?

A
  1. Brachiocephalic trunk
  2. Left common carotid
  3. Left subclavian
31
Q

Name the two branches of common carotid artery?

A

External and internal common carotid

32
Q

Name the three branches of the subclavian artery?

A

Vertebral artery, thyrocervical trunk, costocervical trunk

33
Q

Vertebral artery ascends in the ________ foramen and enters the skull via the _______.

A
  1. Transverse foramen

2. Foramen magnum

34
Q

Name the four branches of the thyrocervical trunk?

A

Inferior thyroid, ascending cervical, transverse cervical, suprascapular

35
Q

What artery branches off the costcocervical trunk?

A

Deep cervical artery

36
Q

The internal jugular vein is lateral to ________?

A

Common carotid artery

37
Q

The interal jugular vein drains into _______?

A

Brachiocephalic trunk

38
Q

The internal jugular vein descends deep to the ______?

A

SCM

39
Q

The external jugular vein descends superficial to the ________?

A

SCM

40
Q

The external jugular vein drains into the ______?

A

Subclavian vein

41
Q

Lymph pathway on left side of face?

A

Thoracic duct

42
Q

The brachial plexus exits between ________ and ________?

A

Anterior and middle scalene

43
Q

The brachial plexus supplies inervation to ________?

A

Upper extremities

44
Q

The phrenic nerve and ansa cervicalus come off the _______?

A

Cervical plexus

45
Q

The four cutaneous branches of the cervical plexus are __________?

A
  1. Lesser occipital
  2. Greater auricular
  3. Transverse cervical
  4. Supraclavicular
46
Q

The cervical plexus supply sensation to the ______?

A

Neck/ lower head

47
Q

The phrenic nerve supplies motor to the _______?

A

Diaphragm

48
Q

The phrenic nerve descends on the _______?

A

Anterior scalene

49
Q

Name the 3 borders of the posterior triangle?

A
  1. SCM
  2. Upper trap
  3. Clavicle
50
Q

The inferior mylohyoid, the scalenes, the levator scapula, and the splenius capitis are all a part of which triangle?

A

Posterior triangle

51
Q

Name the borders of the anterior triangle?

A
  1. SCM
  2. Midline
  3. Mandible
52
Q

Name the borders of the submandibular triangle?

A
  1. Mandible
  2. Anterior digastric
  3. Posterior digastric
53
Q

Which nerve is inside of the submandibular triangle?

A

Cranial nerve 12 (hypoglossal)

54
Q

Identify the borders of the carotid triangle?

A
  1. SCM
  2. Posterior digastric
  3. Superior omohyoid
55
Q

Identify the borders of the muscular triangle?

A
  1. Midline
  2. SCM
  3. Superior omohyoid
56
Q

Identify the borders of the submental triangle?

A
  1. Hyoid bone
  2. Right anterior digastric
  3. Left anterior digastric

PA School (9 decks)

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