CVS204 Test 2

Question 1

The coronary arteries perfuse blood during diastole. During systole the coronary branches are compressed and close AOV.

Accepted Answer

True

Question 2

The left anterior descending artery has what additional branches?

Accepted Answer

septal & diagonal branches

Question 3

The coronary arteries supply blood to the heart, from the heart

Accepted Answer

True

Question 4

What can cause ischemia?

Accepted Answer

hypertension, anemia, pulmonary dysfunction, tachycardia, stenosis

Question 5

Frank -Starling Law is a length tension relationship involving preload and afterload

Accepted Answer

True

Question 6

Preload = thin walls (dilatation)

Accepted Answer

True

Question 7

Left anterior descending (LAD) perfuse?

Accepted Answer

Apex, Basil, Mid IVS, and Anterior Wall

Question 8

What is ventricular wall stress?

Accepted Answer

force against myocardial fibers

Question 9

Formula for stroke volume

Accepted Answer

SV=EDV-ESV

Question 10

heterogenous plaque is uniform in structure

Accepted Answer

False

Question 11

stable angina is?

Accepted Answer

caused by physical activity or stress

Question 12

An erosion or a cavity that may contain debris is?

Accepted Answer

ulcerated plaque

Question 13

The Dilated Coronary Artery is different from the descending aorta in Doppler because it has a pulsating flow.

Accepted Answer

True

Question 14

calcified plaque can cause shadowing

Accepted Answer

True

Question 15

RCA perfuse?

Accepted Answer

Inferior Wall, Basil IVS, Basil Posterior, RV free wall

Question 16

variant angina is?

Accepted Answer

occurs at rest due to coronary spasm

Question 17

What increases Afterload?

Accepted Answer

All the above

Question 18

Silent ischemia is asymptomatic episodes of myocardial ischemia

Accepted Answer

True

Question 19

myocardium is perfused from the endocardium to the epicardium

Accepted Answer

False

Question 20

Myocardial oxygen demand is determined by?

Accepted Answer

all of the above

Question 21

arteriosclerosis is?

Accepted Answer

thickening, hardening & loss of elasticity causing constriction of vessel

Question 22

Stenosis is?

Accepted Answer

narrowing of the vessel

Question 23

Definition of afterload is...

Accepted Answer

resistance against which the ventricle must pump

Question 24

unstable angina is?

Accepted Answer

increased episodes of angina at rest

Question 25

Preload is the load or volume exerted on ventricleat end of diastole

Accepted Answer

True

Question 26

ischemia is imbalance between myocardial oxygen supply and demand

Accepted Answer

True

Question 27

The coronaries arise from the sinus of Valsalva.

Accepted Answer

True

Question 28

The great cardiac vein originates at the anterior descending artery

Accepted Answer

True

Question 29

What increases Preload?

Accepted Answer

All the above

Question 30

What two arteries form after the RCA bifurcates?

Accepted Answer

Posterior descending artery & acute marginal artery

Question 31

What determines coronary vascular resistance?

Accepted Answer

external compression & intrinsic coronary tone

Question 32

The three coronary vein systems are?

Accepted Answer

all the above

Question 33

What is the normal value for Ejection Fraction?

Accepted Answer

50% to 75%

Question 34

Afterload = thick walls (hypertrophy)

Accepted Answer

True

Question 35

Obtuse Marginal is off what what artery?

Accepted Answer

Left Circumflex (LAX)

Question 36

An imbalance between myocardial oxygen supply and demand would result in?

Accepted Answer

myocardial hypoxia

Question 37

Left coronary artery divides into?

Accepted Answer

Left anterior descending (LAD) & Left Circumflex Artery

Question 38

Contractility measures?

Accepted Answer

force of contraction

Question 39

Frank Starling law is the the PreLoad - Afterload Law

Accepted Answer

False

Question 40

Which of the following vein systems is the smallest?

Accepted Answer

The Thebesian Veins

Question 41

What is the normal value of cardia output?

Accepted Answer

4-8 liters per minute

Question 42

Cicumflex artery perfuse?

Accepted Answer

mid and basil lateral wall, & mid posterior wall

Question 43

Plaque consists of?

Accepted Answer

platelets, fibrin, lipids, and calcium

Question 44

What is the normal value of stroke volume?

Accepted Answer

70-110 ML

Question 45

Which of the following vein systems is the largest?

Accepted Answer

the coronary sinus

Question 46

Formula for Ejection Fraction

Accepted Answer

EF=SV/EDVx100

Question 47

Formula for Cardiac Output

Accepted Answer

CO=EDV-ESVxHR

Question 48

angina pectoris is?

Accepted Answer

uncomfortable sensation in the chest

CVS204 Test 2

Questions 48

CVS204 Test 2

Questions 48