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CPT > CH 3 The Cardiorespiratory System > Flashcards

CH 3 The Cardiorespiratory System Flashcards

1
Q

Atrium

A 
The superior
chamber of the heart that
receives blood from the
veins and forces it into
the ventricles.
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2
Q

Ventricle

A 
The inferior
chamber of the heart that
receives blood from its
corresponding atrium
and, in turn, forces blood
into the arteries.
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3
Q

SA Node

A

Referred to as the pacemaker of the heart; responsible for rhythmic contraction of the myocardial cells

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4
Q

Which chamber pumps deoxygenated blood to the lungs?

A

Right Ventricle

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5
Q

Which of the following are small veins that connect capillaries to the larger veins?

A

Venules

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6
Q

Which chamber of the heart RECEIVES deoxygenated blood from the body?

A

Right Atrium

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7
Q

Atrioventricular (AV) node

A

Structure of the heart that delays the contraction impulse before sending it to the ventricles

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8
Q

RECEIVES oxygenated blood from the lung?

A

Left Atrium

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9
Q

SENDS oxygenated blood to the body?

A

Left ventricle

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10
Q

What separates the chambers of the heart and major arteries and veins & prevents backflow?

A

Valves

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11
Q

Stroke Volume

A

Amount of blood pumped with each contraction

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12
Q

What is the average resting heart rate for an untrained adult?

A

70-80 BPM

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13
Q

Arteries

A

Carry blood away from the heart

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14
Q

Average resting heart rate for males & females

A

Males 70

females 75

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15
Q

What is the typical resting oxygen consumption for healthy adults - aka, 1 metabolic equivalent (MET)?

A

3.5 mL per kg of bodyweight per minute

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16
Q

What is a way to predict VO2max without expensive lab equipment?

A

Submaximal exercise tests, such as the Rockport walk test and step test

17
Q

Good blood pressure…

A

120/80

18
Q

Hypertension

A

High blood pressure

ex: 140/90

19
Q

Muscles that make up the heart

A

cardiac muscle, smooth muscle lines the gut and veins/arteries, while theres over 650 skeletal muscle and its VOLUNTARY
ex: bicep brachii

CPT (14 decks)

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