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SYSTEM PHYSIOLOGY > Midterms Quizzes (lab) > Flashcards

Midterms Quizzes (lab) Flashcards

1
Q

The total quantity of blood that can be stored in a given portion of the circulation for each mmHg pressure rise

A

Vascular Compliance

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2
Q

The quantity of blood that moves through a specific point in the circulation over a specific time period, and expressed as volume over time

A

Vascular Flow

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3
Q

The efficiency of the ventricles in emptying itself through the ejection period

A

Ejection Fraction

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4
Q

Which of the following statements is CORRECT regarding the ventricular volume and pressure changes during a cardiac cycle?
i. Ventricular Filling - Increase Ventricular Volume and Pressure

ii. Isovolumetric Contraction - Increase Ventricular Volume and Pressure

iii. Ejection - Decrease Ventricular Volume, Increase Ventricular Pressure

iv. Isovolumetric Relaxation - Decrease Ventricular Volume, Increase Ventricular Pressure

A

Statement i and iii

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5
Q

Which of the following statements is CORRECT regarding Frank-Sterling Mechanism of the heart?
A. This is the ability of the heart to adapt to increasing volumes of inflowing blood

B When the heart muscle is stretched during filling, the greater is the force of contraction

C. Within physiological limits, the heart pumps all blood that return to it by way of the veins

D. All statements are correct

A

D

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6
Q

What will happen to the Flow rate if the blood viscosity INCREASES

A

Flow rate DECREASES

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7
Q

What will happen to the Flow rate if the Blood viscosity DECREASES?

A

flowrate INCREASES

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8
Q

What will happen to the Flow rate if the Blood pressure INCREASES?

A

flowrate will also INCREASE

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9
Q

What will happen to the Flow rate if the Blood pressure DECREASES ?

A

flow rate will DECREASE

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9
Q

What will happen to the Pump Activity if the Stroke volume INCREASES?

A

Pump activity DECREASES

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9
Q

What will happen to the Pump Activity if the Stroke Volume DECREASES?

A

Pump activity INCREASES

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10
Q

What will happen to the Pump Activity if the Venous Return INCREASES?

A

Pump activity DECREASES

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10
Q

What will happen to the Pump Activity if the Venous Return DECREASES?

A

Pump activity increases

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11
Q

What will happen to the Pump Activity if the End-Diastolic Volume INCREASES/.

A

Pump activity DECREASES

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12
Q
A
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13
Q
A

SYSTEM PHYSIOLOGY (14 decks)

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