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14 questions
What is the correct path through the circulatory system which describes the passage of a blood clot originating in the left leg?
Vena cava → left atrium → left ventricle → lungs → right atrium → right ventricle → aorta
Vena cava → right atrium → right ventricle → lungs → left atrium → left ventricle → aorta
Vena cava → left atrium → right atrium → lungs → left ventricle → right ventricle → aorta
Vena cava → right atrium → left atrium → lungs → right ventricle → left ventricle → aorta
What divides the left side of the heart from the left side?
Atrium
Ventricles
Wall
Septum
At the instant following the second heart sound, which heart valves are open?
Both atrioventricular valves and semilunar valves
Atrioventricular valves only
All valves are closed
Semilunar valves only
What physical feature of large systemic arteries (resistance vessels) makes them relatively more responsive to changes in intracellular calcium concentrations?
Thick tunica media
Absent tunica media
Thick tunica intima
Absent tunica intima
Rank the following blood vessels in order of their average pressure, from highest to lowest: artery, vein, arteriole, venule, aorta, capillary.
Capillary > arteriole > venule > artery > vein > aorta
Capillary > vein > venule > arteriole > artery > aorta
Aorta > arteriole > venule > artery > vein > capillary
Aorta > artery > arteriole > capillary > venule > vein
What vessels carry deoxygenated blood away from the heart?
Neither coronary arteries or pulmonary artery
Pulmonary artery only
Both coronary arteries and pulmonary artery
Coronary arteries only
How can the circulatory system promote heat retention/conservation, such as on a cold day?
Vasoconstriction
Vasodilation
Decreasing tunica media contraction
Increasing capillary surface area
A tiny blood vessel that allows for exchange between the blood and cells in the tissues in the body is called a
Blood vessel
Vein
Capillary
Artery
How many chambers does the human heart have?
4
2
3
5
The atriums are located below the ventricles?
TRUE
FALSE
Arteries carry blood away from the heart?
TRUE
FALSE
Identify:
Left Ventricle
Right Atrium
Right Ventricle
Left Atrium
Identify:
Vena Cava
Aorta
Pulmonary veins
Pulmonary artery
What do red blood cells do?
Carry oxygen from the lungs to the body cells and transport carbon dioxide from the cells back to the lungs
Collects blood from the capillaries and drain it into the veins
Keeps blood flowing in one direction to the heart and prevent blood from flowing backwards
Bring nutrients to the cells and carries away waste materials
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