Cardiovascular Concepts Quiz

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Which of the following statements accurately describes the relationship between changes in ESV and EDV?

An increase in ESV leads to a decrease in EDV.

Changes in ESV and EDV are independent of each other.

An increase in EDV leads to a decrease in ESV.

An increase in ESV leads to a compensatory increase in EDV. (correct)

What is the normal range for left ventricular ejection fraction (EF)?

55-70% (correct)

45-55%

70-85%

30-45%

Which of the following formulas correctly represents the calculation for ejection fraction (EF)?

EF = EDV - ESV

EF = EDV + ESV

EF = SV / EDV (correct)

EF = ESV / EDV

What factor primarily affects changes in stroke volume (SV)?

Preload Signup and view all the answers

Which of the following is true about ejection fraction (EF)?

EF is mainly influenced by afterload. Signup and view all the answers

What is the relationship between changes in SV and EDV?

An increase in SV leads to a compensatory increase in EDV. Signup and view all the answers

What is the primary factor affecting changes in stroke volume (SV)?

Preload Signup and view all the answers

What is the formula for calculating ejection fraction (EF)?

EF = SV / EDV Signup and view all the answers

How are changes in ejection fraction (EF) primarily influenced?

By contractility Signup and view all the answers

Which of the following is the correct definition for Stroke Volume (SV)?

The difference between the ventricular end-diastolic volume and the end-systolic volume Signup and view all the answers

What is the relationship between Venous Return (VR) and Stroke Volume (SV)?

An increase in VR leads to an increase in SV Signup and view all the answers

What is the relationship between Afterload and Stroke Volume (SV)?

An increase in Afterload leads to a decrease in SV Signup and view all the answers

What is the relationship between Inotropy (Contractility) and Stroke Volume (SV)?

An increase in Inotropy leads to an increase in SV Signup and view all the answers

Which of the following is the correct definition for Cardiac Output (CO)?

The amount of blood ejected per beat by the left ventricle into the aorta Signup and view all the answers

What is the relationship between Venous Return (VR) and Cardiac Output (CO)?

An increase in VR leads to an increase in CO Signup and view all the answers

What is the relationship between Preload and Stroke Volume (SV)?

An increase in Preload leads to an increase in SV Signup and view all the answers

What is the relationship between Afterload and End-Systolic Volume (ESV)?

An increase in Afterload leads to an increase in ESV Signup and view all the answers

What is the relationship between Inotropy (Contractility) and End-Systolic Volume (ESV)?

An increase in Inotropy leads to a decrease in ESV Signup and view all the answers