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WorksheetsHuman Circulatory System (Blood Vessels Functions) & Hemodynaimics
Total questions: 10
Worksheet time: 5mins
Which change would increase the resistance in an arteriole?
Shorter length
A Wider caliber
Increased sympathetic stimulation
Decreased blood viscosity
Parallel Arrangement
The diameter of a precapillary arteriole is increased in a muscle vascular bed. A decrease in which of the following would be expected?
Capillary filtration rate
Vascular conductance
Capillary blood flow
Capillary hydrostatic pressure
Arteriolar resistance
Which of the following vessels has the greatest total cross-sectional area in the circulatory system?
Aorta
Small Arteries
Capillaries
Venules
Vena Cave
An increase in which of the following would be expected to decrease blood flow in a vessel?
Pressure gradient across the vessel
Radius of the vessel
Plasma colloid osmotic pressure
Viscosity of the blood
Plasma sodium concentration
Which of the following components of the circulatory system contains the largest percentage of the total blood volume?
Arteries
Capillaries
Veins
Pulmonary Circulation
Heart
Which of the following segments of the circulatory system has the highest velocity of blood flow?
Aorta
Arteries
Capillaries
Venules
Veains
Which of the following parts of the circulation has the highest compliance?
Capillaries
Large Arteries
Veins
Small arteries
Aorta
The tendency for turbulent flow is greatest in which of the following?
Arterioles
Capillaries
Small Arterioles
Aorta
Vena cava
A 53-year-old woman is found, by arteriography, to have 50% narrowing of her left renal artery. What is the expected change in blood flow through the stenotic artery?
Decrease to ½
Decrease to ¼
Decrease to 1 ⁄8
Decrease to 1 ⁄16
No change
Which of the following feature is characteristically present in arteries ?
Contain unstressed volume
Thick wall contains elastic tissue & smooth muscle
Are the sites of highest resistance
Have the greatest Cross-Sectional Areas
Are the most distensible of all vessels
