Question 1
Which factors determine cardiac output?
◦ Parasympathetic and sympathetic activity
◦ Preload and afterload
◦ Heart rate and stroke volume
◦ Right and left atrial pressure
Question 2
Which statement is true regarding the thoracic duct?
◦ The thoracic duct is the major source of venous return to the heart.
◦ The thoracic duct receives lymph from most of the body.
◦ The thoracic duct receives lymph from the right arm, head, and thorax.
◦ Blood is dumped into the right atrium through the thoracic duct.