Brainscape's Knowledge GenomeTM

Browse over 1 million classes created by top students, professors, publishers, and experts.


See full index

Vascular > self assesment vascular DAVIES > Flashcards

self assesment vascular DAVIES Flashcards

1
Q

The innominate a is a branch of the

A

Aortic arch

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

When the external iliac a passes underneath this structure, it becomes the CFA

A

Inguinal ligament

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

This artery passes forward above the interosseous membrane and distally comes to lie on the front of the tibia.

A

anterior tibial a

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

Tunica intima refers to

A

the inner layer of the vessel wall

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

T/F the peroneal arteries are palpable

A

false

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

the best anatomic landmark for locating the l renal a is the

A

L renal vein

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

which has a lower pulse amplitude the aorta or the iliac artery>

A

aorta

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

extrinsic compression of the celiac a can be caused by the

A

median arcuate ligament

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

Are velocity and pressure directly or indirectly related

A

indirectly

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

T/F hyperventilation causes vasodilation of a high resistance bed

A

FALSE

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

a 75% area reduction equates to a

A

50% diameter reduction

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

T/F heat loss occurs at post stenotic turbulence

A

true

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

exercise induces periperal vasodialation in the microcirculation whcih decreases the distal peripheral __________.

A

resistance

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

T/F claudication is always vascular in orgin

A

fase

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

Primary Raynauds occcures when ischemia is caused by a distal_____ ________.

A

arterial spasm

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

what is the most important differential diagnositc parameter for pseudoaneurysms

A

communicating tract between artery and aneurysm

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
17
Q

can a high resistance signal also be continuous

A

NO

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
18
Q

analog recordings displays amplitueds of all _________.

A

frequencies

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
19
Q

a pt with ischemic rest pain complains of foot pain when _____ and its relieved by ______.

A

supine, standing

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
20
Q

an ABI of 0.65 is in what category?

A

Claudication

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
21
Q

Used for toe pressures

A

PPG

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
22
Q

could a common iliac artery occlusion cause vasulogenic impotence

A

yes

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
23
Q

what does the upstroke of a wave form represent

A

arterial inflow exceeds venous outflow

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
24
Q

what is a dicrotic notch

A

a reflected wave, noted in a normal waveform for a plethysmographic waveform.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
25
Q

The toe pressure should be this percentage to the ankel pressure

A

80%

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
26
Q

waveforms as the result of secondary raynauds phenomena have this unique characteristic

A

peaked

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
27
Q

The most common site fo stenosis or occlusion of the hemodialysis graft is the

A

outflow vein

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
28
Q

a ratio of stenotic to prestenotic PSV of greater than 2.1 for the femoral a would be at what diameter reduction

A

50-99%.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
29
Q

what artery is evaluated if the pt is complaining of crampy dull abdominal pain immediatly after meals

A

superior mesenteric a

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
30
Q

how should a post prandial SMA waveform appear

A

low resistive

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
31
Q

how should a fasting SMA waveform appear

A

high resistive

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
32
Q

the adison maneuver is often performed in the assessment of

A

thoracic outlet syndrome

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
33
Q

most common omplications of arteriography

A

puncture site hematoma, pseudoaneurysm, local artery oocclusion

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
34
Q

T/F the gastrocnemius a is often used in balloon angioplasty

A

false

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
35
Q

in a bypass graft reverse flow is detected in teh artery just proximal to the distal anastmosis. Explain:

A

normal finding, because blood moves from higher pressure of the graft to the lower pressure of the diseased native vessels.

36
Q

what are the 3 branches of the aortic arch

A

L common carotid, L subclavian, Innominate

37
Q

T/F the ICA has only one branch

A

false

38
Q

what is the carotid siphon

A

the curve of the ICA near the take off of the ophthalmic a.

39
Q

the basilar a differs from most arteries in that it is fromed by two ____

A

arteries.

40
Q

are the vertebrals symmetrical or asymmetrical?

A

asymmetrical.

41
Q

T/F the anterior choroidal arteries are in the circle of willis

A

false

42
Q

T/T the distal internal carotid arteries are in the circle of willis

A

true

43
Q

name the 3 major branches of the ophthalmic artery that exits the orbit

A

supraorbital, frontal, and nasal

44
Q

Bernoullis principle expains which phenomenon of the carotid bulb

A

areas of flow separation

45
Q

according to poiseuilles law which factor has the most dramatic effecto on blood flow

A

radius of the vessel

46
Q

T/F Laminal flow can resume distal to a stenosis

A

true

47
Q

T/F flow remains accelerated distal to a stenosis

A

false

48
Q

the cause of a right hemispheric infarction

A

may be right ICA occlusion

49
Q

During a periorbital exam flow diminishes in the left frontal artey when the left superficial temporal artey is compressed meaning

A

it signifies a left ICA stenosis

50
Q 
a false negatice OPG-GEE can be attributed to  all the following except:
A) bilateral ICA stenosis
B)well developed collateral channels
C) subcritical stenoses
D) acute occlusion
A

D

51
Q

one difference between continuous wave and pulsed doppler is CW cannot sample a _______ ______

A

specific point

52
Q

spectral broadening usually represents:

A

Turbulent flow

53
Q

the criteria for determining an 80-99% diameter reduction of the ICA include which of the following

A

PSV>125cm/s EDV>140cm/s

54
Q

in a carotid duplex exam the most frequent reason for underestimating the degree of stenosis is:

A

improper placement of the sample volume.

55
Q

calcification over or underestimates the stenosis

A

overestimates

56
Q

the criteria used to correctly identify vessels during a TCD exam include all of the following except

A

the degree of spectral broadening

57
Q

what are the acoustic windows of TCD

A

transorbital, transtemporal, and transforamenal.

58
Q

T/F the posterior communicating artery is evaluated on a TCD exam

A

false

59
Q

in a TCD exam the normal direction of blood flow i the middle cerebral artery is

A

antegrade

60
Q

More severe facial and arm weakness or numbness rather than the leg is associated with a lesion in where

A

The middle cerebral a.

61
Q

a carotid duplex study documents an occlusion of the R ICA. TCD detects antegrade flow in the ipsilateral anterior cerebral artery. The most likely source of blood is

A

crossover collateralization through the contralateral ICA

62
Q

The residual lumen in 2mm. The normal lumen is considered to be 9mm. The diameter reduction is considered ______%

A

78%

63
Q

is the GSV a deep or superficial vein

A

superficial

64
Q

The most important function of the soleal vein of the lower leg is

A

to serve as a temporary reservoir

65
Q

The deep veins of the upper extremity include all of the following except

A

cephalic

66
Q 
the return of venous flow from the lower extremity to the heart is assisted by all of the following mechanisms EXCEPT: 
A) venous valves
B) calf muscle
C) expiration
D) inspiration
A

D

67
Q

the three main risk factors for DVT (virchows triad)

A

endothelial damage, hypercoagulability, venous stasis.

68
Q

the deep venous thrombosis must be diagnosec and treated to avoid all of the following complications

A

PE, venous insufficiency, venous hypertension.

69
Q

most important criteria fro correctly identifing a deep vein is:

A

an adjacent artery

70
Q

a continuous wave doppler venous study can be falsely negitive for what reasons

A

a partial thrombus, bifid system, and collaterals

71
Q

a CW venous doppler can be falsely postitive for what reasons

A

obesity, peripheral arterial oclusive disease, and pt postion

72
Q

the optimal pt postion for eval of DVT

A

supine, knees slightly flexed, and legs below level of heart.

73
Q 
which vein has valves 
A) Jugular
B)IVC
C) Soleal veins
D) common iliac v
A

A

74
Q

limitiation in utilizing PPG for venus reflux studies

A

pt has acute DVT, Sensor is placed on a varicosity, nonintact skin.

75
Q

how does the venous doppler of the arm differ of the leg

A

the subclavian may be pulsatile, and have decreased augmentation.

76
Q

Portal vein has what flow

A

hepatopetal

77
Q

in venous DVT studies does reflux have value

A

no

78
Q

what are the characteristics of acute DVT

A

Dialted vessel, poor attachment to wall, spongy texture

79
Q

In sagital view color displays teh GSV as blue after a valsalva the venous flow is red this is showing

A

valvular incompetence

80
Q

the confluence of teh axillary and cephalic v form the follwoing vessel

A

subclavian

81
Q

The most common sequela of DVT is

A

valvular destruction

82
Q

heparin is administered to a pt with acute DVt for what reason

A

it decreases propagation of the clot

83
Q

while evaluarting the IJV the examiner notes that it fully coapts and has reduced pulsatility, and exibits a rouleau formation this is consistent with

A

a more proximal obstruction

84
Q

the sensitivity of carotid duplex scanning is calculated as

A

80/85

85
Q

specificity is calculated as

A

300/315

86
Q

the postitive predictive value is calculated as

A

80/95

87
Q

the negative predictive value is calculated as

A

300/305

Vascular (7 decks)

Brainscape helps you reach your goals faster, through stronger study habits.
© 2024 Bold Learning Solutions. Terms and Conditions