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29 notecards = 8 pages (4 cards per page)

Viewing:

anatomy & physiology

front 1

1-The right side of the heart pumps deoxygenated blood into __________.

A
B
C
D

back 1

B

front 2

2-Identify the right atrium.

E
B
J
G

back 2

B

front 3

3-Identify the left ventricle.

E
J
B
A

back 3

J

front 4

4- Identify the papillary muscle.

K
J
I
B

back 4

I

front 5

5-Identify the pulmonary trunk.

J
B
G
E

back 5

E

front 6

6-Identify the interventricular septum.

K
G
E
I

back 6

K

front 7

7-Identify the mitral (bicuspid) valve.

K
J
G
E

back 7

G

front 8

8-The apex of the heart is __________.

anterior
inferior
superior
posterior

back 8

inferior

front 9

9-What surface groove separates the right and left ventricles?

interventricular sulcus
interventricular septum
atrioventricular sulcus
interatrial septum

back 9

interventricular sulcus

front 10

10-The pulmonary circuit involves blood flow from the heart to the:

lungs.
brain.
body.
liver.

back 10

lungs.

front 11

11-The vessels that deliver oxygen to the tissues of the body are part of the __________.

pulmonary circuit
conducting circuit
systemic circuit
coronary circuit

back 11

systemic circuit

front 12

12-Which of the following vessels carries oxygenated blood?

superior vena cava
pulmonary trunk
pulmonary artery
pulmonary vein

back 12

pulmonary vein

front 13

13-Blood from the systemic circuit returns to the heart via the __________.

pulmonary arteries
venae cavae
cardiac veins
pulmonary veins

back 13

venae cavae

front 14

14-Which hormone decreases cardiac output by decreasing blood volume and preload?

aldosterone
antidiuretic hormone (ADH)
atrial natriuretic peptide (ANP)
norepinephrine

back 14

atrial natriuretic peptide (ANP)

front 15

15-What two values are needed in order to calculate cardiac output (CO) for a ventricle?

end-diastolic volume (EDV) and end-systolic volume (ESV)
heart rate (HR) and end-diastolic volume (EDV)
stroke volume (SV) and blood pressure (BP)
stroke volume (SV) and heart rate (HR)

back 15

stroke volume (SV) and heart rate (HR)

front 16

16-What largely determines preload?

afterload
end-systolic volume (ESV)
stroke volume
end-diastolic volume (EDV)

back 16

end-diastolic volume (EDV)

front 17

17-Afterload is described as:

the length or degree of stretch of the sarcomeres in the ventricular cells before they contract.
the ability to generate tension.
the amount of blood that has drained into the ventricle by the end of the filling phase.
the force the ventricles must overcome to eject blood into their respective arteries.

back 17

the force the ventricles must overcome to eject blood into their respective arteries.

front 18

18-Which of the following happens immediately after the P wave?

The ventricles contract.
The atria contract.
The atria relax.
The ventricles relax.

back 18

The atria contract.

front 19

19-The aortic valve closes when __________.

the pressure in the left ventricle falls below atrial pressure
the pressure in the left ventricle raises above the atrial pressure
the pressure in the left ventricle raises above the aortic pressure
the pressure in the left ventricle falls below aortic pressure

back 19

the pressure in the left ventricle falls below aortic pressure

front 20

20-During what phase does blood flow from the ventricles into the pulmonary trunk and aorta?

ventricular filling
isovolumetric contraction phase
isovolumetric relaxation phase
ventricular ejection phase

back 20

ventricular ejection phase

front 21

21-Which of the following events will immediately follow the phase of the cardiac cycle depicted in the figure?

the atrioventricular valves open.
the semilunar valves open
ventricular systole
blood is ejected into the pulmonary artery and aorta

back 21

the atrioventricular valves open.

front 22

22-The P wave on an electrocardiogram (ECG) represents the depolarization of cells in the:

atria.
ventricles.
atrioventricular (AV) node.
sinoatrial (SA) node.

back 22

atria.

front 23

23-What valve prevents the backflow of blood from the right ventricle into the right atrium?

tricuspid valve
bicuspid (mitral) valve
pulmonary valve
aortic valve

back 23

tricuspid valve

front 24

24-What vessel delivers oxygenated blood to systemic capillaries for gas exchange?

coronary artery
aorta
circumflex artery
pulmonary trunk

back 24

aorta

front 25

25-What vessel(s) deliver oxygenated blood to the left atrium?

aorta
pulmonary arteries
pulmonary trunk
pulmonary veins

back 25

pulmonary veins

front 26

26-Autorhythmicity in the heart is the responsibility of:

skeletal muscle cells.
cardiac pacemaker cells.
smooth muscle cells.
contractile cells.

back 26

cardiac pacemaker cells.

front 27

27-What characteristic differentiates cardiac muscle cells from skeletal muscle cells?

intercalated discs
sarcoplasmic reticulum
striations
excitability

back 27

intercalated discs

front 28

28-Unlike skeletal muscle action potentials, cardiac muscle action potentials __________.

do not involve repolarization
have a short refractory period
begin with a rapid depolarization phase
involve calcium voltage-gated channel

back 28

involve calcium voltage-gated channel

front 29

29-What normally serves as the pacemaker of the entire heart?

Purkinje fiber system
atrioventricular (AV) bundle
sinoatrial (SA) node
atrioventricular (AV) node

back 29

sinoatrial (SA) node