Blood Vessels and Lymphatics Flashcards

1
Q

vertebral a.

A

20% of blood supply to the brain

supplies brainstem, cerebellum, and upper spinal cord

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

subcalvian steal syndrome

A

obstruction of subclavian a proximal to the vertebral a

during exercise blood is shunted from the vertebral system and to the subclavian (mm of the arm)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

vertebro-basilar insufficiency

A

clinical signs: dizziness, cranial nerve dysfunction, paralysis, loss of consciousness
results in: coma, quadriplegia, cranial n abnormalities

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

ascending cervical a.

A

runs w/ phrenic n

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

inferior laryngeal a.

A

runs w/ recurrent laryngeal n.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

deep cervical a. anastomoses w/

A

deep branch of the occipital a on same side

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

vertebral a. anastomoses w/

A

descending branch of the occipital, ascending cervical, opposite vertebral a.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

internal carotid a.

A

80% of blood to the brain

anterior circulation of the circle of willis

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

circle of willis

A

distributes most of the blood to the cerebrum
internal carotid a (80%) - anterior
vertebral a (20%) - posterior
components - ant. communicating, ant. cerebral, post. communicating, post. cerebral a.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

shunting of blood

A

may result in hyperfusion and cerebral edema

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

superior laryngeal a.

A

branch of superior thyroid a.

runs w/ internal laryngeal n.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

Retromandibular v.

A

formed by the superficial temporal and maxillary v

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

internal jugular v.

A

drains primarily the brain

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

superior bulb of the internal jugular v.

A

located in the jugular fossa and does not have a valve

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

inferior bulb of the internal jugular v.

A

b/w sternoclavicular heads of SCM and has a valve

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

pericervical lymph nodes

A

collar of superficial lymph nodes around base of head
occipital, mastoid, parotid, submandibular, buccal, and submental
drains into deep cervical lymph nodes

17
Q

superficial cervical lymph nodes

A

in posterior and anterior triangles next to jugular v.

drains into deep cervical lymph nodes

18
Q

jugulo-digastric nodes

A

tonsillar

deep cervical lymph nodes

19
Q

jugulo-omohyoid nodes

A

deep cervical lymph nodes

20
Q

thoracic duct

A

only on the left side
lymph from L side of head, all of the body EXCEPT R UE and head
drains into IJV