Quizzes Flashcards

1
Q

What initiates electrical depolarization through the heart?

A

SA node

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2
Q

Which chamber of the heart pumps blood to the lungs?

A

right ventricle

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3
Q

What does deoxygenated blood travel through from the heart to the lungs?

A

pulmonary artery

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4
Q

The blood vessel responsible for delivery of oxygen and nutrients to the anterior aspect of the left ventricle is known as what?

A

LAD (left anterior descending) coronary artery

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5
Q

What separates the left atria from the left ventricle?

A

mitral

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6
Q

What separates the right and left ventricles?

A

interventricular septum

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7
Q

Ventricular contraction on EKG

A

QRS complex

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8
Q

What do the heart sounds lub dub correspond to?

A

closing of heart valves

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9
Q

What structures attach the papillary muscles to the AV valves?

A

chordae tendineae

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10
Q

Which of these is an invasive technique used to aid in determining cardiac dysfunction?

A. auscultation
B. EKG
C. echocardiogram
D. angiogram

A

angiogram

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11
Q

Amount of blood pumped during one heartbeat

A

stroke volume (SV)

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12
Q

blood supply providing oxygen and nutrients to the adventitial layer of the aorta is provided by…?

A

vaso vasorum

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13
Q

Which layer of blood vessel provides the muscular contraction or relaxation needed for vasodilation and vasoconstriction?

A

tunica media

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14
Q

unique structures in veins that regulate venous return and prevent backflow

A

valves

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15
Q

Which of these does not control high blood pressure?

A. beta blockers
B. coumadin
C. diuretics
D. ACE inhibitors
E. all of the above
A

coumadin

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16
Q

Decreasing parasympathetic stimulation of the SA node will result in which HR response?

A

increase

17
Q

increasing sympathetic stimulation of SA node leads to what HR response?

A

increase

18
Q

Amount of blood in left ventricle after filling

A

LVEDV

19
Q

EF is normally what percentage?

A

60-75%

20
Q

Which of these is least likely to result in decreased EF?

A. mitral valve stenosis
B. MI to left ventricular wall
C. CHF
D. aortic valve stenosis

A

mitral valve stenosis

21
Q

How do you access the heart for a CABG?

A

median sternotomy

22
Q

How could backflow occur?

A

genetic malformation
prolapse
stenosis

23
Q

What can cause regurgitation in the AV valves?

A

valve leaflet damage
tearing of chordae tendineae
damage to annular ring
dysfunction of papillary muscles

24
Q

What can be cause by aortic valve stenosis

A

left ventricular hypertrophy
pulmonary hypertension
cor pulmonale
left ventricular chamber distension

25
Q

right sided heart failure aka

A

cor pulmonale

26
Q

Can untreated coronary artery blockage result in a DVT?

A

no

27
Q

S/S of orthostatic hypotension from sitting to standing

A

dizziness
lightheadedness
syncope
decreased blood pressure

28
Q

surgical treatments for acute or chronic causes of heart failure

A

TAVI
LVAD
heart transplant

29
Q

How is TAVI being done currently?

A

femoral artery catheter

transthoracic apical approach

30
Q

Leading cause of pulmonary embolism

A

DVT