How does exercise affect the arteries and blood volume respectively?

Which is not considered a key factor in determining hydrostatic pressure?

Where should the transducer orientation notch be positioned (approximately) to obtain the parasternal short axis view?

What structure is located within the green box?

WhIich 2D linear measurement is outside the range of normal?  

What helps propel blood towards the heart causing a decrease in venous pressure (in the legs) and an increase in venous return (to the heart) thereby increasing CO?

What structure helps prevent the valve from buckling into the left atrium as it closes due to an increased left ventricular pressure during systole?

Which of the following equations converts Doppler velocities into pressure gradients across a valve?

Which best describes the course of the left renal vein?

What best describes the flow pattern for this vessel?