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WorksheetsWeek 3- Physiology_CVS
Total questions: 10
Worksheet time: 5mins
Which of the following layers of the vessel wall contains the smooth muscle that allows it to adjust its diameter?
Tunica intima
Tunica externa
Tunica media
Tunica serosa
Which of the following vessels do not have the ability to constrict and dilate?
Arterioles
Arteries
Capillaries
Veins
The saclike structure around the heart is the____________
Myocardium
Pericardium
Endocardium
Serous pericardium
The vasa vasorum supplies blood to which of the following?
The kidney
The heart muscle
The nervous system
The blood vessel walls
What is Atrial systole? Choose all that apply.
The atrioventricular valves are open
Atrial refilling occurs
The atria are contracting
The atrioventricular valves are closed
Which of the following blood vessels act as blood reservoirs?
Arterioles
Arteries
Capillaries
Veins
The thickest layer of tissue in the heart wall is the_________
Endocardium
Serous pericardium
Myocardium
Pericardium
Which chamber of the heart pumps blood to the system circuit?
R atrium
L ventricle
L atrium
R ventricle
How is the heart muscle supplied with oxygen and nutrients?
By the pulmonary arteries, which also supply the lungs
From the blood flowing through the heart chambers
From the cardiac arteries, which are more extensive on the left side of the heart than on the right
By the coronary arteries, which branch from the aorta
The internal layer of tissue in the heart is the__________
Myocardium
Pericardium
Endocardium
Epicardium
