Heart VB

If your friend asked you to explain an activity that increases cardiac output to the maximum, which of the following would you most likely say?

Cardiac output increases with physical activity, may be four to seven times greater than the resting output.

The conduction system of the heart regulates the electrical impulses that?

Make the heart beat

Which of the following explains how you can find the cardiac output volume?

Multiply the number of heart beats in one minute by the stroke volume.

Which of the following statements accurately compares two of the types of chordae tendineae?

Primary-prevent prolapse secondary-relieves tension

The _____ receives oxygen-depleted blood and empties it into the _____, whereas oxygenated blood from the lungs enters the _____ and empties into the _____.

Right atrium, right ventricle, left atrium, left ventricle

The heart is located within the thoracic cage, between the _____ and _____ rib.

Second, fifth

Which of the following accurately compares the heart of an adult male and the heart of an adult female?

The heart of an adult male is slightly larger than that of an adult female.

accurately compares systole and diastole?

Ventricular contraction and constriction is systole ventricular relaxation and expansion is diastole.

All of the following are heart valves except

atrial valve

If your instructor asked you to explain why the myocardium is thicker in the left ventricle than it is in the right ventricle, which of the following would you most likely say?

the left ventricle has to pump harder because of the systemic circuit whereas the right does not need to.