1.In the human heart, blood is pumped from the left ventricleinto the
left atrium.
right atrium.
pulmonary circuit.
systemic circuit.
2.Systolic pressure is
Group of answer choices
the lowest blood pressure in the aorta.
the pressure measured when the left ventricle is relaxed.
the peak pressure in the aorta when the left ventriclecontracts.
the difference between the highest and lowest pressures.
an average of high and low pressures.
3.The diastolic pressure for a normal young adult would bearound
50 mm Hg.
75 mm Hg.
100 mm Hg.
120 mm Hg.
140 mm Hg.
4.Blood plasma consists of all of the following except..
proteins.
platelets.
water.
red blood cells.
All of these constitute plasma
5.In its travel through the human body, blood usually continueson from capillaries to enter
arterioles.
venules.
arteries.
veins.
other capillaries
