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Ch. 16 Abdominal Vasculature Flashcards | StudBud
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Ch. 16 Abdominal Vasculature
Ch. 16 Abdominal Vasculature
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1
To control variations in flow, patients should be examined in the supine or LLD position after an 8-hour fast.
False
True
2
Portal Veins are ?
Mean Velocities
Minimally Phasic
Low Peak
All of the Above
3
Arteries that supply organs with a constant demand of forward blood flow or perfusion are ______?
Low-Resistance
Transmural Pressured
Hydrostatic Pressured
High-Resistance
4
After a meal the Diastolic Flow decreases in the SMA
True
False
5
Spectral Waveform Sampling does NOT vary depending on the location of the Aorta.
True
False
6
What type of Flow is the IVC?
Phasic Flow
Proximal: Phasic Flow ; Distal: Complex (Pulsatile) Flow
Complex (Pulsatile) Flow
Proximal: Complex (Pulsatile) Flow ; Distal: Phasic Flow
7
The image below displays....
Spectral Broadening
Window Filled
8
(Builds on to) that energy cannot be destroyed but it can be altered from one form to another.
Ohm's Law
Bernoulli's Principle
Poiseuille's Law
9
Body Habitus, Respiration, Increased Volume of Blood Returned to the Kidneys & RT Atrial Pressure do NOT influence IVC
True
False
10
The Valsalva Maneuver halts all arterial blood returning to the heart.
False
True
11
What are the tributaries of the IVC?
Common Iliac Veins, Gonadal Veins, Renal & Infrarenal Veins, Portal Veins
Proper Iliac Veins, Gonadal Veins, Renal & Suprarenal Veins
Iliac Arteries, Gonadal Arteries, Renal & Suprarenal Veins, Hepatics Veins
Common Iliac Veins, Gonadal Veins, Renal & Suprarenal Veins, Hepatics Veins
12
Portal venous flow is affected by ?
Exercise
Dietary State
All of the Above
Posture
13
Pressure is LOWER in the Heart and HIGHER in the Extremities
False
True
14
The Renal Arteries supply the Spleen and Gallbladder
True
False
15
The Renal Veins are immediately _____ to the Renal Arteries
Posterior
Inferior
Anterior
Superior
16
Duplex Sonography is?
Pulsed Doppler
Neither
Both
Real Time 2D Imaging
17
The renal veins carry blood from tributaries within the renal medulla and cortex and empty into the IVC
True
False
18
Difference in pressures will drive the flow from the Heart to the Extremities
False
True
19
Cardiac Output is the amount of blood pumped by each ventricle in 1 minute.
True
False
20
Diameter of the Aorta
2.0 - 2.5 cm
1.5 - 2.0 cm
2.5 -3.0 cm
3.0 - 3.5 cm
21
The image below displays Spectral Broadening
False
True
22
What is the physical study of flowing blood and of all the solid structures through which it flows?
Hemodynamics
Hematocrit
Hemolysis
Hemostasis
23
the right renal vein receives blood from the right suprarenal vein
False
True
24
Hepatocaval confluence is the structure where 3 hepatic veins flow into the hepatic segment of the IVC
True
False
25
Renal Artery PSV is <100 cm/s
False
True
26
The Diameter of the Portal Vein is 1.3 cm
False
True
27
The Blue arrows are demonstrating the Spectral Windows.
False
True
28
Linear wall reflectivity is attributed to the acoustic properties of collagen fiber found in the tunica Intima & Media
True
False
29
The PSV of the IMA is ?
93-198 cm/s
40-100 cm/s
98-105 cm/s
97-142 cm/s
30
Predicts the VOLUME of flow in moving fluids.
Poiseuille's Law
Ohm's Law
Bernoulli's Principle
31
The IMA can be difficult to accurately identify
True
False
32
Hydrostatic Pressure is?
Effect that Gravity has on the Veins When the Patient is Erect
Pressure Related to the Weight of Blood as Compared to a Reference Point
A Form of Potential Energy
All of the Above
33
The IMA is ?
High-Resistance ; High Diastolic Flow
Low-Resistance ; High Diastolic Flow
Low-Resistance ; Low Diastolic Flow
High-Resistance ; Low Diastolic Flow
34
Portal venous flow normally accelerates during expiration and decelerates during inspiration
False
True
35
What is the normal PSV for the Hepatic Artery?
<100 cm/s
>100 cm/s
36
Stroke Volume is the amount of blood ejected by the ventricles with each contraction.
False
True
37
PSV can be affected by Age, ______?
Cardiac Output
Gender
All of the Above
Body Habitus
38
Electrical current is directly proportional to Voltage and inversely related to Resistance.
Poiseuille Law
Ohm's Law
Bernoulli's Principle
39
Normal PSV for the Celiac Artery is 98-105 cm/s
False
True
40
The Renal Veins have
Complex (Pulsatile) Flow
Phasic Flow
41
Provides info about blood flow velocity, flow direction, presence of flow disturbance, and vascular impedance?
Pulsed Wave Doppler
Duplex Sonography
Spectral Doppler
Doppler Spectral Waveform
42
The Renal Arteries are High-Resistance waveforms
False
True
43
Distal or Infrarenal Aortic blood supply can demonstrate reverse diastolic flow (Below the Baseline)
False
True
44
Flow ABOVE the baseline is flow going _______ the transducer.
Away From
Towards
45
Portal veins have Hepatofugal Flow
False
True
46
The SMA is ______?
High-Resistance ; Low Diastolic (When Fasting)
High Resistance ; High Diastolic (When Fasting)
Low-Resistance ; High Diastolic (When Fasting)
Low-Resistance ; Low Diastolic (When Fasting)
47
What is the Diameter of the SMV?
0.6-0.7 cm
0.7-0.8 cm
0.4-0.6 cm
0.2-0.4 cm
48
Diameter of the IMA
0.2 cm
0.3 cm
0.4 cm
0.1 cm
49
The portal vein and its tributaries are responsible for approximately ___% of the oxygenated blood supply of the liver
80%
70%
60%
50%
50
What is the Diameter of the IVC ?
2.5-3.5 cm
2.0 cm
0.4-0.6 cm
1.3 cm
51
Diastolic Flow of the Renal Arteries is ?
Low Diastolic Flow ; 30-50% of PSV
High Diastolic Flow ; 30-50% of PSV
52
High-Resistance Vessels demand constant blood perfusion
True
False
53
The branches of the Celiac axis are?
Common Hepatic, Gastrointestinal, Splenic
Proper Hepatic, Right Gastric, Splenic
Proper Hepatic, Left Gonadal, Splenic
Common Hepatic, Left Gastric, Splenic
54
The Hepatic Artery branches into RT & LT and supplies the Liver with ____% of what?
30% ; Deoxygenated Blood
40% ; Deoxygenated Blood
40% ; Oxygenated Blood
30% ; Oxygenated Blood
55
The SMA supplies the Pancreas, Small Intestine, & Colon
False
True
56
Sample Volume obtains the doppler frequency info that is displayed.
False
True
57
Diameter of the Renal Arteries
0.4 - 0.5 cm
0.5 - 0.6 cm
58
Renal Veins exhibit pulsatility associated with atrial or ventricular contraction
False
True
59
The Celiac Artery is a posterior branch of the Aorta
False
True
60
Exercise and postural changes usually cause a INCREASE in portal venous flow, whereas eating will DECREASE flow
True
False
61
The Renal Arteries Branch _____ from the Aorta.
Medially
Posteriorly
Anteriorly
Laterally
62
The normal Hepatic venous flow pattern is similar to that seen to that seen in the Proximal IVC
False
True
63
The Hepatic Artery is ____?
High-Resistance
Low-Resistance
64
The Suprarenal Aortic blood supply is ______?
Forward Flow during Systole
Forward Flow during Diastole
65
The Green plus sign is measuring the Diastolic flow.
True
False
66
The Hepatic Veins display phasic flow
True
False
67
The Hepatic Artery courses _____?
Inferiorly ; Left Laterally
Superiorly ; Right Laterally
Inferiorly ; Right Laterally
Superiorly ; Left Laterally
68
What is the PSV for the SMA when Pre-Prandial (fasting) ?
98-105 cm/s
97-142 cm/s
93-198 cm/s
40-100 cm/s
69
There is a BIG immediate change in diastolic waveform post prandial
True
False
70
What is the Blue plus sign measuring?
Peak Diastolic Flow
Average Systolic Flow
Peak Systolic Flow
Average Diastolic Flow
71
The IMA mimics the spectral waveform of a FASTING SMA
False
True
72
Diameter of the Celiac Artery
0.7 cm
0.6 cm
73
When portal venous flow is compromised, velocity most often decreases in the HA
False
True
74
The SMA increases by how much in size Post-Prandial?
3x in Systole ; 2x in Diastole
2x in Systole ; 3x in Diastole
75
What is the measurement of the thickness and stickiness of an individuals blood.
Laminar Flow
Sample Volume
Viscosity
Stroke Volume
76
Disease in one of the three major mesenteric arteries can result in increase flow in the others
False
True
77
Diameter of the SMA
0.6 cm
0.7 cm
78
What is Transmural Pressure?
Determines the Shape of the Vein
Neither
Equals the Difference Between the Intravascular and Interstitial Pressure
Both
79
Hepatic Veins have _____?
2 Phases ; Both Away From the Heart
2 Phases ; Both Toward the Heart
3 Phases ; 2 Toward the Heart, 1 Away from the Heart
3 Phases ; 1 Toward the Heart, 2 Away from the Heart
80
What is the Diameter of the Hepatic, Splenic, & Renal Veins?
0.6-0.7 cm
0.2-0.4 cm
0.4-0.6 cm
0.7-0.8 cm
81
The Waveforms of the Renal Arteries appear
Proximal: Minimal Spectral Broadening ; Mid-Distal: Clear Systolic Window
Clear Systolic Window Throughout
Minimal Spectral Broadening Throughout
Proximal: Clear Systolic Window ; Mid-Distal: Minimal Spectral Broadening
82
The Left Renal Vein receives blood from ?
Left Gonadal ; Suprarenal
Right Gonadal ; Suprarenal
Left Gonadal ; SMV
Right Gonadal ; SMV
83
Absence of forward diastolic flow cycle reflects the relative decrease in arterial wall.
False
True
84
The Celiac Artery is ?
High-Resistance ; Constant Forward Flow
High-Resistance ; Pulsed Forward Flow
Low-Resistance ; Constant Forward Flow
Low-Resistance ; Pulsed Forward Flow
85
Viscosity is an indirect measure of the ability of blood to flow through the blood vessels.
True
False
86
The Portal Venous System includes the Splenic Vein, SMV, Main - RT & LT Portal Veins, & the IMV
False
True
87
The Hepatic Artery enters the Porta Hepatis with the Portal Vein and CBD
True
False
88
Flow going AWAY from the transducer is ABOVE baseline
True
False
