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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
What does the Vagus nerve (CN10) supply?
Larynx
26
What bone hole does the Vagus nerve pass through?
Jugular foramen
27
Where does the right recurrent laryngeal nerve loop under?
Right subclavian arch
28
Where does left recurrent laryngeal nerve loop under?
Aortic arch
29
What does inferior laryngeal nerve supply?
all laryngeal muscles except cricothyroid muscle
30
Name the three aortic branches?
1. Brachiocephalic trunk 2. Left common carotid 3. Left subclavian
31
Name the two branches of common carotid artery?
External and internal common carotid
32
Name the three branches of the subclavian artery?
Vertebral artery, thyrocervical trunk, costocervical trunk
33
Vertebral artery ascends in the ________ foramen and enters the skull via the _______.
1. Transverse foramen | 2. Foramen magnum
34
Name the four branches of the thyrocervical trunk?
Inferior thyroid, ascending cervical, transverse cervical, suprascapular
35
What artery branches off the costcocervical trunk?
Deep cervical artery
36
The internal jugular vein is lateral to ________?
Common carotid artery
37
The interal jugular vein drains into _______?
Brachiocephalic trunk
38
The internal jugular vein descends deep to the ______?
SCM
39
The external jugular vein descends superficial to the ________?
SCM
40
The external jugular vein drains into the ______?
Subclavian vein
41
Lymph pathway on left side of face?
Thoracic duct
42
The brachial plexus exits between ________ and ________?
Anterior and middle scalene
43
The brachial plexus supplies inervation to ________?
Upper extremities
44
The phrenic nerve and ansa cervicalus come off the _______?
Cervical plexus
45
The four cutaneous branches of the cervical plexus are __________?
1. Lesser occipital 2. Greater auricular 3. Transverse cervical 4. Supraclavicular
46
The cervical plexus supply sensation to the ______?
Neck/ lower head
47
The phrenic nerve supplies motor to the _______?
Diaphragm
48
The phrenic nerve descends on the _______?
Anterior scalene
49
Name the 3 borders of the posterior triangle?
1. SCM 2. Upper trap 3. Clavicle
50
The inferior mylohyoid, the scalenes, the levator scapula, and the splenius capitis are all a part of which triangle?
Posterior triangle
51
Name the borders of the anterior triangle?
1. SCM 2. Midline 3. Mandible
52
Name the borders of the submandibular triangle?
1. Mandible 2. Anterior digastric 3. Posterior digastric
53
Which nerve is inside of the submandibular triangle?
Cranial nerve 12 (hypoglossal)
54
Identify the borders of the carotid triangle?
1. SCM 2. Posterior digastric 3. Superior omohyoid
55
Identify the borders of the muscular triangle?
1. Midline 2. SCM 3. Superior omohyoid
56
Identify the borders of the submental triangle?
1. Hyoid bone 2. Right anterior digastric 3. Left anterior digastric

PA School (9 decks)

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