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Module 3 Revision > Anatomy: Vasculature Of The Head And Neck > Flashcards

Anatomy: Vasculature Of The Head And Neck Flashcards

1
Q

What are the three main vessels associated with the heart?

A

Arch of the aorta
Vena cava
Pulmonary trunk

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2
Q

What are the three branches of the arch of the aorta called?

A
  • brachiocephalic trunk
  • left common carotid artery
  • left subclavian artery
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3
Q

What does the brachiocephalic trunk supply?

A

Supplies right side of head and neck, and the right upper arm

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4
Q

What does the left common carotid artery supply?

A

Left side of the head and neck

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5
Q

What does the left subclavian artery supply?

A

Left upper arm

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6
Q

How many branches are there off the brachiocephalic trunk?

A

Two

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7
Q

Name the two branches of the brachiocephalic trunk

A

Right Subclavian artery
Right common carotid artery

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8
Q

What muscle crosses superior to the subclavian artery?

A

Scalenus anterior

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9
Q

What bony structure is the brachiocephalic trunk deep to before it branches off?

A

Sternum

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10
Q

How many parts make up the subclavian artery?

A

Three

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11
Q

What are the three divisions of the subclavian artery based upon?

A

Their location to scalenus anterior muscle

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12
Q

Where is scalenus anterior muscle in relation to SCM?

A

Deep to SCM

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13
Q

Where is part 1 of the subclavian artery situated in relation to scalenus anterior?

A

Medial

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14
Q

Where is part 2 of the subclavian artery situated in relation scalenus anterior?

A

Behind

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15
Q

Where is part 3 of the subclavian artery situated in relation to scalenus anterior?

A

Lateral ( on top of rib 1)

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16
Q

What division of the subclavian artery is of most interest to the head and neck?

A

1st part

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17
Q

What are the three branches of the 1st part of the subclavian artery called?

A
  1. Vertebral artery
  2. Thryocervical trunk
  3. Internal thoracic artery
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18
Q

How does the vertebral artery reach the cranial cavity?

A

Travels via transverse foramen of cervical vertebrae

19
Q

Through what foramen does the vertebral artery enter the cranial cavity?

A

Foramen magnum

20
Q

What important structure branches off the thyrocervical trunk to directly supply the inferior part of the thyroid gland?

A

Inferior thyroid artery

21
Q

Which branch of the 1st part of the subclavian artery descends downwards on either side of the sternum?

A

Internal thoracic artery

22
Q

What does the internal thoracic artery supply?

A

Intercostal spaces

23
Q

What artery supplies the superior part if the thyroid gland?

A

Superior thyroid artery

24
Q

What artery does the superior thyroid artery branch off of?

A

External carotid artery

25
Q

What are the two branches of the common carotid artery?

A

External and internal carotid arteries

26
Q

Which carotid artery leaves the carotid sheath?

A

External carotid artery

27
Q

What are the two main arteries supplying the brain?

A

Right vertebral artery
Right internal carotid artery

28
Q

Where do the internal carotid arteries enter the cranial cavity?

A

Carotid canals

29
Q

Where do the vertebral arteries enter the cranial cavity?

A

Via foramen magnum

30
Q

What part/s of the brain does the internal carotid arteries supply?

A

Anterior and middle brain

31
Q

What part/s of the brain does the vertebral arteries supply?

A

Posterior brain

32
Q

What level is the bifurcation of the common carotid artery at?

A

The level of superior border of thyroid cartilage/hyoid bone

33
Q

What structures are contained within deep fascia known as the carotid sheath?

A

Common carotid artery and internal carotid artery

34
Q

How does the carotid sinus appear and where?

A

It appears as a slight enlargement at bifurcation of common carotid artery, at the start of internal carotid artery.

35
Q

What structure contains baroreceptors that monitor blood pressure?

A

Carotid sinus

36
Q

What structure is located within the bifurcation of the common carotid artery?

A

Carotid body

37
Q

What might the carotid body be described as?

A

A chemoreceptor

38
Q

What does the carotid body do?

A

Monitors chemical composition within arterial blood

39
Q

What are the 8 branches of the external carotid artery?

A

Superior thyroid
Ascending pharyngeal
Lingual
Facial
Occipital
Posterior auricular
Maxillary
superficial temporal

40
Q

What is the pneumonic used to remember the branches of the external carotid artery?

A

Some
Anatomists
Like
Fries
Others
Prefer
Mashed
Spuds

41
Q

Where does the inferior alveolar artery branch off of?

A

The 1st part of the maxillary artery

42
Q

What artery supplies the mandible?

A

Inferior alveolar artery

43
Q

How might infection spread from a lower molar to the heart?

A

Bacteria from a lower molar abscess could potentially enter the inferior alveolar vein. This could result in spread of infection to the bloodstream and back to the heart.

Module 3 Revision (20 decks)

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