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PE 461 > Cardiovascular > Flashcards

Cardiovascular Flashcards

1
Q

reverse

large vessels that carry arterialized blood away from the heart

A

arteries

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2
Q

reverse

small branch of an artery that communicates with a capillary network

A

arterioles

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3
Q

reverse

specialized mass of muscle tissue located in the interventricular septum of the heart

A

atrioventricular node (AV)

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4
Q

reverse

mechanism by which an organ regualtes blood flow to match the metabolic rate

A

autoregulation

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5
Q

reverse

microscopic blood vessels that connect arterioles and venules

A

capillaries

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6
Q

reverse

part of the sympathetic nervous system that stimulates the SA node to increase heart rate

A

cardiac accelerator nerves

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7
Q

reverse

amount of blood pumped by the heart per unit of time

A

cardiac output

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8
Q

reverse

the area of the medulla that regulates the cardiovascular system

A

cardiovascular control center

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9
Q

reverse

the control of the cardiovascular or pulmonary system by cortical impulses

A

central command

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10
Q

reverse

period of filling of the heart between contractions

A

diastole

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11
Q

reverse

arterial blood pressure during diastole

A

diastolic blood pressure

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12
Q

reverse

product of heart rate and systolic blood pressure

A

double product

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13
Q

reverse

recording of the electrical changes that occur in the myocardium during the cardiac cycle

A

electrocardiogram

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14
Q

reverse

a

A

heart rate variability

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15
Q

reverse

portion of cardiac muscle cell where one cell connects to the next

A

intercalated disks

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16
Q

reverse

a mixture of venous blood from both the upper and lower extremities

A

mixed venous blood

17
Q

reverse

cardiac muscle, provides the force of contraction to move blood

A

myocardium

18
Q

reverse

portion of the cardiovascular system involved in the circulation of blood from the right ventricle to the lungs and back to the left atrium

A

pulmonary circuit

19
Q

reverse

specialized tissue located in the right atrium of the heart that generates the electrical impulse to initiate the heart beat

A

sinoatrial node (SA)

20
Q

reverse

the amount of blood pumped by the ventricles in a single beat

A

stroke volume

21
Q

reverse

part of cardiac cycle where the ventricles are contracting

A

systole

22
Q

reverse

the highest artieral pressure measured during a cardiac cycle

A

systolic blood pressure

23
Q

reverse

a major parasympathetic nerve

A

vagus nerve

24
Q

reverse

blood vessels that return blood to the heart

A

veins

25
Q

reverse

small blood vessels carrying capillary blood to veins

A

venules

26
Q

reverse

resting heart rate is above 100 BPM

A

Tachycardia

27
Q

reverse

resting heart rate less than 60 BPM

A

bradycardia

28
Q

reverse

phosphatase activated by the increase in cytosolic calcium

A

calciuneurin

29
Q

reverse

principle of training describing the need to increase the load

A

overload

30
Q

reverse

principle of training that describes the temporary nature of a training effect

A

reversibility

31
Q

reverse

principle of training indicating that the adaptation of a tissue is dependent on the type of training undertaken

A

specificity

32
Q

Heart rate plateau reached during constant rate of sunmaximal work

A

Steady-State Heart Rate

33
Q

The left ventricle contracts out of sequence, before the atria

A

Premature Ventricular Contraction

34
Q

three or more consecutive PVCs that can lead to ventricular fibrillation in which contraction of the ventricular tissue is uncoordinated

A

Ventricular Tachycardia

35
Q

average pressure exerted by the blood as it travels through arteries

A

Mean arterial pressure (MAP)

PE 461 (8 decks)

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