TrueVue Workbook Quiz

This quiz is created within the Deltex Learning Academy. In order to answer the questions, you must read the Cardiac Anatomy and Physiology section 2 of the Workbook 9052-5401 Issue 1 on the following link
Workbook
Or visit www.deltex-academy.com and select Education - Academy - Truevue academy - Critical Care Hub - TrueVue Workbook

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What happens to blood flow during ventricular systole?

Contraction of the left ventricle, blood ejection into the aorta

Dilation of left ventricle

Both of the above

Neither of the above

What happens to blood flow during ventricular diastole?

Blood is pumped out of the ventricles to the lungs and body

Ventricles relax and fill with blood

The ventricles contract and force blood into the atria

Blood flow to the coronary arteries stops completely

What is Cardiac Output?

The amount of blood pumped by the heart in one beat

The volume of blood remaining in the ventricles after systole

The total volume of blood in the entire circulatory system at any given moment

Cardiac Output is the volume of blood pumped by the heart per minute

What is Stroke Volume?

Stroke Volume is the amount of blood pumped by the left ventricle of the heart with each beat

Stroke volume is the total amount of blood in the heart at the end of diastole

Stroke volume is the amount of blood pumped by the heart per minute

Stroke volume is the volume of blood left in the heart after each contraction

What four factors will affect Stroke Volume?

Preload, Afterload, Contractility, Heart Rate

Body temperature, blood pH, heart rate, and blood volume

Age, gender, respiratory rate, and sleep patterns

Oxygen levels in the blood, blood glucose, exercise intensity, and sodium levels

What is preload?

Preload is the amount of blood pumped by the heart during systole

Preload is the resistance the heart must overcome to eject blood during contraction

Preload is the degree of stretch of the heart muscle fibers (myocytes) at the end of diastole, just before the heart contracts

Preload is the volume of blood left in the ventricles after systole

What is afterload?

Afterload is the resistance the heart must overcome to eject blood during ventricular systole

Afterload is the volume of blood in the heart at the end of diastole

Afterload is the degree of stretch of the heart muscle fibers before contraction

Afterload is the amount of blood left in the ventricles after contraction

What is contractility?

Contractility is the volume of blood that fills the ventricles during diastole

Contractility is the pressure the heart generates to overcome arterial resistance

Contractility is the amount of blood remaining in the ventricles after systole

Contractility is the intrinsic ability of the heart muscle (myocardium) to contract with force, independent of preload and afterload

Describe a vasoconstricted circulation and how that might affect blood flow.

Describe a vasodilated circulation and how that might affect blood flow.

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