Choose the letter of the correct answer. Statement A B C D Resistive Vessels of the circulatory system are Large Arteries Large Veins Small arteries and arterioles Small veins and venules The blood vessels that are under the greatest pressure are Large Arteries Small Arteries Veins Capillaries A person with a blood pressure of 135/75 has a pulse pressure of 60 80 105 210
Choose the letter of the correct answer.
Statement |
A |
B |
C |
D |
Resistive Vessels of the circulatory system are |
Large Arteries |
Large Veins |
Small arteries and arterioles |
Small veins and venules |
The blood vessels that are under the greatest pressure are |
Large Arteries |
Small Arteries |
Veins |
Capillaries |
A person with a blood pressure of 135/75 has a pulse pressure of |
60 |
80 |
105 |
210 |
Sympathetic impulses to the smooth muscles in the walls of arteries and arterioles produce |
Vasodilation only |
Vasodilation and Vasoconstriction |
Vasomotor Inhibition |
Arteriosclerosis |
Substances exchanged at the capillary level move through the capillary walls by |
Diffusion |
Filtration |
Osmosis |
Active Transport |
In the measurement of blood pressure, the cuff of the sphygmomanometer usually surrounds |
The radial artery |
The dorsalis pedis artery |
The branchiocephalic artery |
The branchial artery |
Arterial blood pressure is independent of |
Blood volume |
Heart rate |
Blood viscosity |
Influx of calcium ions |
Identify the TRUE statement(s). There may be several correct answers. |
An increased cardiac output is reflected in an elevated diastolic pressure. |
An increased cardiac output is reflected in a decreased diastolic pressure. |
An increase in the force of contraction produces an elevated systolic pressure. |
An increase in the force of ventricular contraction produces decreased diastolic pressure. |
In the absence of compensations, the stroke volume will decrease when |
Blood volume increases |
Venous return increases |
Contractility increases |
Arterial blood pressure increases |
If a vessel were to dilate to twice its previous radius, and of pressure remain constant, blood flow though this vessel would |
Increase by a factor of 16 |
Increase by a factor of 4 |
Increase by a factor of 2 |
Decrease by a factor of 2 |
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