Question

1.In the human heart, blood is pumped from the left ventricle into 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 ventricle contracts.

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 be around

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 continues on from capillaries to enter

arterioles.

venules.

arteries.

veins.

other capillaries

Answer 1

1. option D is correct :systemic circuit is correct...left ventricle pumps blood into the systemic circuit.

left atrium receives oxygenated blood from the left and right pulmonary veins. and pumps to left ventricle.

right atrium holds and receives deoxygenated blood from superior venacava, inferior venacava, cardiac veins and smallest cardiac veins..and pumps to right atrium

pulmonary circuit receives blood from right ventricle.

2. systolsy pressure is defined as blood pressure when the heart contracting, maximum arterial pressure during contraction of the left ventricle of the heart .the time at which ventricle contraction is called systole....

so option C is correct ....

3. systolic pressure is 120 mm Hg

diastolic pressure is 80 mmHg...

if diastolic pressure is 75 mmHg is not a problem in young adults

if it is more than 80 higher blood pressure and 50mmHg is lower blood pressure

systole is more than 120 mmHg is high bp and lower than 120 is low bp

so option B is correct  75 mmHg.

4..blood plasma contains water,proteins ,platelets, red blood cells..

so the answers is E all of these constitute plasma.

5. option B is correct ..arteries transptra blood into the arterioles .

venules receives blood from cappilary beds of the arterioles and send to larger veins.

veins receives blood from body its deoxygenated blood and given to right atrium..

cappilaries received blood from arterioles...