Left ventricle

Left ventricle

Assessment

Interactive Video

Health Sciences, Biology

University - Vocational training

Hard

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The video tutorial discusses the anatomy and function of the left ventricle, one of the heart's lower chambers. It explains how the left ventricle receives oxygenated blood from the left atrium and pumps it through the aortic valve into the aorta. The left ventricle is thicker than the right ventricle to withstand higher pressure needed to circulate blood throughout the body. The video also covers the concept of cardiac output, which can increase significantly during exercise. The tutorial concludes by offering additional resources for learning anatomy through Ken Hub.

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5 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the primary function of the cardiac ventricles?

To expel blood into the atria

To collect blood from the peripheral tissues

To collect blood from the atria and expel it to the peripheral tissues

To regulate the heart rate

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How does the left ventricle differ from the right ventricle in terms of structure?

It is wider and forms the entire sternocostal surface

It is shorter and transversely circular in a concave manner

It is thinner and less muscular

It is longer and transversely circular

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Why is the left ventricular wall thicker than the right?

To reduce the heart's overall weight

To accommodate more blood volume

To withstand higher contraction forces and blood pressure

To increase the heart rate

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the typical cardiac output of the heart at rest?

10 liters per minute

20 liters per minute

5 liters per minute

15 liters per minute

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

During exercise, how much can the cardiac output increase in athletes?

Up to 45 liters per minute

Up to 15 liters per minute

Up to 25 liters per minute

Up to 35 liters per minute