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Vascular A&P
Introduction to Vascular A&P
148
Medical
Professional
03/07/2008

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Term
True or False

Venous valves assist in moving blood back to the heart.
Definition
True
Term
The dicrotic notch often seen in an arterial waveform indicates

A. the end of systole
B. the onset of LV relaxation
C. the closure of the aortic valve
D. all of the above
Definition
D
Term
The plane which divides the body into equal left and right halves is called the:

A. Coronal Plane
B. Median Plane
C. Transverse Plane
D. Sagittal Plane
Definition
B
Term
Define:
Cephalad
Definition
toward the head
Term
Caudal
Definition
toward the feet
Term
Anterior
Definition
toward the ventral surface
Term
Posterior
Definition
toward the dorsal surface
Term
Lateral
Definition
away from the median
Term
Medial
Definition
toward the mid-sagittal plane
Term
infra
Definition
below
Term
Ipsilateral
Definition
the same side
Term
Contralateral
Definition
the opposite side
Term
Inferior
Definition
below
Term
Superior
Definition
above
Term
[image]
Definition
letter A indicates plaque
letter B indicates lumen
letter C indicates intima
letter D indicates media
letter E indicates adventitia
Term
[image]
Definition
A atrial systole
B ventricular systole
C ventricular diastole
Term
The formation of new blood vessels from preexisting ones is called
A. vasculopathy
B. vasculogenesis
C. angioblastosis
D. angiogenesis
Definition
D
Term
[image]
Definition
laminar flow AND
parabolic flow
Term
In a tube model, laminar flow tends to be disturbed if Reynold's number exceeds

A. 4000
B. 2000
C. 500
D. 1000
Definition
B. 2000
Term
A critical stenosis is one which causes a


A. increase in velocity
B. increase in pressure
C. reduction in flow
D. reduction in velocity
Definition
C. a REDUCTION IN FLOW
Term
Both pressure and energy _________ from the arterial to the venous ends of the circulatory system.


1. decrease
2. increase
3. oscillate
4. stay the same
Definition
1. DECREASE
Term
According to Bernoulli, what is NOT true about pressure/velocity relationships?


1. pressure is higher at the region of stenosis
2. pressure is lower at the region of stenosis
3. velocity and pressure are inversely related
4. pressure changes across a stenosis 0%
Definition
1. 1. pressure is higher at the region of stenosis
Term
In human circulation, potential energy is associated with


1. blood pressure
2. blood density
3. blood volume
4. blood velocity
Definition
1. BLOOD PRESSURE
Term
Bernoulli's principle explains which phenomenon of the carotid bulb?


1. areas of flow separation
2. areas of laminar flow
3. decreased flow with increased viscosity
4. increased flow through a stenosis
Definition
1. areas of flow separation
Term
In the circulatory system, kinetic energy is associated with


1. blood velocity
2. blood temperature

3. blood volume
4. blood pressure
Definition
1. blood velocity
Term
intra
Definition
within
Term
According to Poiseuille's law, which factor has the most dramatic effect on blood flow?

1. radius of vessel
2. viscosity of the fluid
3. length of the vessel
4. elasticity of the vessel wall
Definition
1. radius of vessel
Term
Blood flow which moves in concentric layers is said to be


1. laminar
2. disturbed
3. circular
4. turbulent
Definition
1. laminar
Term
inter
Definition
between
Term
What are the three types of blood vessels?
Definition
arteries, veins, capillaries
Term
The pulsation of the heart occurs in two phases called:
Definition
systole and diastole
Term
When the heart is resting it is called:

A. systole
B. diastole
Definition
B. diastole
Term
What is diastolic pressure?
Definition
The force exerted deuring maximum relaxation of the heart muscle
Term
True or False

Arteries and veins both have walls with 3 layers
Definition
true
Term
The outermost layer of a vessel wall is the:

A. Tunica adventitia
B. Tunica media
C. Tunica intima
Definition
A. Tunica adventitia
Term
The middle layer of a vessel wall is the:

A. Tunica adventitia
B. Tunica media
C. Tunica intima
Definition
B. Tunica media
Term
The innerlayer of a vessel wall is the:

A. Tunica adventitia
B. Tunica media
C. Tunica intima
Definition
C. Tunica intima
Term
What are the vasa vasorum?
Definition
Small vessels that nourish the tunica adventita of veins and arteries.
Term
The tunica adventitia is made of:

A. endothelial tissue
B. muscle tissue
C. connective tissue
Definition
C. connective tissue
Term
The tunica media is made of:

A. endothelial tissue
B. muscle tissue
C. connective tissue
Definition
B. muscle tissue
Term
Which of the following statements regarding tunica adventitia is true?

A. In veins, TA is much stronger than in arteries.
B. The TA in veins is much thinner and weaker than in arteries.
Definition
B. The TA in veins is much thinner and weaker than in arteries.
Term
The tunica intima is made of:

A. endothelial tissue
B. muscle tissue
C. connective tissue
Definition
A. endothelial tissue
Term
Arterioles are made of:



A. Tunica adventitia
B. Tunica media
C. Tunica intima
Definition
B. Tunica media & C. Tunica intima
Term
What are the four catagories of tissue?
Definition
Muscle, connective, nerve and epithelial
Term
How does the tunica adventitia differences btw arteries and veins affect what we see in ultrasound?
Definition
Because there is less TA in veins, they tend to collapse
Term
Which of the following statements regarding tunica media is true?

A. In veins, TM is much stronger than in arteries.
B. The TM in veins is much thinner and less elastic than in arteries.
Definition
B. The TM in veins is much thinner and less elastic than in arteries.
Term
Why do veins need less tunica media than arteries?
Definition
Arteries must withstand the beating of the heart, but veins are usually nonpulsatile.
Term
What is the function of venous valves?
Definition
Controlling the flow of blood-directing it back towards the heart
Term
What is another name for venous valves? (because of their 1/2-moon shape)
Definition
Semilunar valves
Term
Where is the apex cordis?

A. At the top of the heart
B. At the bottom of the heart
Definition
B. At the bottom of the heart
Term
The loose sac that encloses the heart is called the;

A. Epicardium
B. Myocardium
C. Pericardium
D. Endocardium
Definition
C. Pericardium
Term
The wall of the heart is composed of 3 layers. Which of the following is ordered correctly from outer to inner?

A. Myocardium, Epicardium, Endocardium
B. Epicardium, Myocardium, Endocardium
C. Endocardium, Myocardium, Epicardium
Definition
B. Epicardium, Myocardium, Endocardium
Term
Palpation
Definition
Feel (for a pulse)
Term
Bifurcation
Definition
Divide into 2
Term
Trifurcation
Definition
Divide into 3
Term
Which vessels supply the myocardium?
Definition
Coronary arteries
Term
Where do coronary arteris arise from?
Definition
The ascending aorta
Term
Infarction
Definition
death of tissue caused by a lack of O2
Term
Which 3 vessels arise from the aortic arch?(normally)
What are these 3 vessels called (all together)?
Definition
innominate (brachiocephalic)
Lft CCA
Lft Subclavian

The Great Vessels
Term
Which arteries supply blood to the upper extremities?
Definition
The subclavian arteries
Term
To palpate the subclavian artery, which approach is (usually) best?

A. infraclavicular
B. supraclavicular
Definition
A. infraclavicular
Term
Where is the best place to palpate the axillary artery?
Definition
The axilla
Term
Where is the best place to palpate the brachial artery?
Definition
The antecubital fossa
Term
What happens to the brachial artery in teh antecubital fossa?
Definition
It bifurcates to form 2 new vessels (the radial and ulnar arteries)
Term
Which artery travels along the lateral side of the forearm?
Definition
The radial artery
Term
Where is the best place to palpate the radial artery?
Definition
the anterolateral aspect of the wrist
Term
Which artery travels along the medial aspect of the forearm?
Definition
The ulnar artery
Term
Where is the best place to palpate the ulnar artery?
Definition
The anteromedial side of the forearm.
Term
The radial and ular arteries rejoin in the hand and form the___________.
Definition
Palmar arches (superficial and deep)
Term
Anastomosis
Definition
joining of the terminal portion of a vessel
Term
What forms the superficial palmar arch?
Definition
the ananstomosis of the terminal portion of the ulnar artery with the palmar branch of the radial artery
Term
What forms the deep palmar arch?
Definition
the anastomosis fo the terminal portion of the radial artery with the palmar branch fo the ulnar artery.
Term
From what vessels do the digital arteries arise?
Definition
From the superficial palmar arch.
Term
How many arteries does each digit have?
Definition
2-- a lateral and a medial
Term
The lateral digital arteris arise from the
Definition
radial digital artery (RDA)
Term
the medial digital arteries arise from_____.
Definition
The ulnar digital artery (UDA)
Term
What is the difference between a visceral and a parietal branch of the aorta?
Definition
Visceral branches go to a major organ in a body cavity. Parietal branches go to the wall of a structure..cavity or hollow organ.
Term
From the aortic arch to the level of the diaphragm, the aorta is called the ________.
Definition
descending thoracic aorta
Term
In the descending thoracic aorta; Is the


pericardium

supplied by a

A. visceral branch of the aorta
B. parietal branch of the aorta
Definition
A. visceral branch of the aorta
Term
In the descending thoracic aorta; Is the


mediastinum

supplied by a

A. visceral branch of the aorta
B. parietal branch of the aorta
Definition
A. visceral branch of the aorta
Term
In the descending thoracic aorta; Is the


esophagus

supplied by a

A. visceral branch of the aorta
B. parietal branch of the aorta
Definition
A. visceral branch of the aorta
Term
In the descending thoracic aorta; Is the


bronchi

supplied by a

A. visceral branch of the aorta
B. parietal branch of the aorta
Definition
A. visceral branch of the aorta
Term
In the descending thoracic aorta; Is the

diaphragm

supplied by a

A. visceral branch of the aorta
B. parietal branch of the aorta
Definition
B. parietal branch of the aorta
Term
In the descending thoracic aorta; Is the

chest muscles

supplied by a

A. visceral branch of the aorta
B. parietal branch of the aorta
Definition
B. parietal branch of the aorta
Term
In the descending thoracic aorta; Is the

mammary glands

supplied by a

A. visceral branch of the aorta
B. parietal branch of the aorta
Definition
B. parietal branch of the aorta
Term
Once the thoracic aorta passes through the diaphragm its name changes to _______________
Definition
abdominal aorta
Term
The 5 visceral branches of the abdominal aorta are:
Definition
the celiac artery (trunk)
the superior mesenteric artery
the renal areteries (rt & lft)
the inferior mesenteric artery
Term
What are the 3 major branches of the celiac artery?
Definition
the left gastric artery
the common hepatic artery
the splenic artery
Term
What organ does the gastric artery supply?
Definition
the stomach
Term
What organ does the common hepatic artery supply?
Definition
the liver
Term
What organ does the splenic artery supply?
Definition
the spleen
Term
What organs does the SMA supply?
Definition
the small intestine
proximal portion of the colon
Term
What organs do the renal arteries supply?
Definition
the kidneys
Term
Which renal artery is longer?
Definition
right
Term
What organs does the IMA supply?
Definition
large intestine
left 1/2 of the transverse colon
descending colon
rectum
Term
What happens to the abdominal aorta at approximately the level of the umbilicus?
Definition
It bifurcates into the L & R common iliac arteries
Term
What are the 2 branches of the common iliac artery?
Definition
the internal iliac and the external iliac
Term
What is another name for the internal iliac artery?
Definition
The hypogastric artery
Term
In a male, the internal pundendal artery trifurcates into what?
Definition
the 3 vessels that supply the penis-

the superficial dorsal
deep cavernosal
spongiosal
Term
In a female, the internal pundendal artery trifurcates into what?
Definition
the deep artery of the clitoris
the dorsal artery of the clitoris
the artery bulb of the urethra
Term
The internal iliac artery becomes the ___________ in both males & females, before it trifurcates
Definition
the internal pundendal artery
Term
In both males and females, the internal iliac artery supplies:
Definition
the pelvic viscera, the buttocks, medial aspect of the upper thigh
Term
After the internal iliac branches off of the common iliac, the common iliac is known as the __________
Definition
External iliac artery
Term
After the external iliac passes through the inguinal canal, it becomes known as the _____________
Definition
common femoral artery
Term
The common femoral artery branches in the proximal thigh into the _____________ (also called the _______________)
Definition
deep femoral artery
profunda artery
Term
After the profunda branches off of the common femoral artery, the name of the artery changes to ________________
Definition
superficial femoral artery (SFA)
Term
The pathway for the SFA is the __________ AKA ________________
Definition
adductor canal
Hunter's canal
Term
What is the landmark for locating the SFA?
Definition
Adductor canal or Hunter's canal
Term
Where is the popliteal fossa?
Definition
the area behind the knee
Term
As the SFA goes through the popliteal fossa its name changes to the ____________
Definition
popliteal artery
Term
Below the popliteal fossa the popliteal artery divides into ___________ & ______________
Definition
the anterior tibial artery (ATA) and tibial-peroneal trunk
Term
Describe the ATA from its origin to the foot.
Definition
The ATA goes to the lateral side of the leg and passes in front of the tibia down the shin. At the ankle it swings up onto the top of the foot where its name changes to the dorsalis pedia artery (DPA)
Term
After the bifurcation of the ATA, the tibial peroneal trunk bifurcates into the _________ & ___________
Definition
posterior tibial artery (PTA) and peroneal arteries
Term
What is the landmark for palpating the PTA?
Definition
slightly behind and below the medial maleolus
Term
Describe the path of the peroneal artery
Definition
It moves through the deep muscle on the posterolateral aspect of the leg. It bifurcates near the ankle into an anterior and posterior branch.
Term
What structure is formed by the anastomosis of the terminal branches of the anterior and posterior tibial arteries?
Definition
The plantar arch
Term
lumen
Definition
the channel that the blood flows through
Term
laminar flow
Definition
flow in concentric layers
Term
When arteries have laminar flow, which part of the lumen has the fastest velocities, and which part has the slowest velocities?

A. on the sides
B. in the middle
Definition
In the middle is fastest and on the sides is slowest
Term
What is the flow profile of laminar arterial flow?
Definition
parabolic
Term
How does the parabolic flow profile change in relation to the diameter of the arteries?

A. Smaller vessels are more parabolic
B. Smaller vessels are more blunted
C. Larger vessels are more parabolic
D. Larger vessels are more blunted
E. A & D
F. B & C
Definition
Term
The parabolic shape exists only at:

A. maximum systole
B. maximum diastole
C. no difference between systole & diastole
Definition
A. maximum systole
Term
In a stenosed vessel, the parabolic flow profile:

A. exists only at maximum systole
B. exists only at maximum diastole
C. is blunted throughout the cycle
D. is blunted during systole
Definition
C. is blunted throughout the cycle
Term
Kinetic energy
Definition
the energy of something in motion
Term
Inertia
Definition
the tendency of object to maintain their status quo
Term
The 2 factors that determine kinetic energy are:

A. mass and pressure
B. specific gravity and height
C. Velocity and hydrostatic pressure
D. Mass and velocity
Definition
D. Mass and velocity
Term
potential energy
Definition
Energy of something at rest
Term
Potential energy is a combination of what 2 things (in hemodynamics)

A. intravascular pressure and gravity
B. Mass and Velocity
C. velocity and kinetic energy
Definition
A. intravascular pressure and gravity
Term
Intravascular pressuer is a combination of: (3)

A. muscular contraction of the heart
B. hydrostatic pressure
C. Static filling pressure
D. Velocity of blood
E. Length of vessel
Definition
A,B, & C
Term
Hydrostatic pressure is
Definition
the pressure exerted by a fluid within a closed system
Term
The formula for hydrostatic pressure is:
Definition
HP= - specific gravity * gravity * height above referece pt
Term
Static filling pressure is:
Definition
the pressure that exists because of the relationship between the amount of blood in a vessel and the slasticty of the vessel walls.
Term
T or F

Static filling pressure is related to the movement of blood within a vessel
Definition
false
Term
The formula for gravitational potential energy is
Definition
GPE= + specific gravity * gravity * * height above a refernce pt
Term
fluid energy is
Definition
the combination of kinetic and potential energy present in a system
Term
Two factors that directly influence viscosity are:
Definition
the concentration of RBCs and the concentration of protein molecules
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