Cardiovascular System
Which of the following is a statement of Henry’s law?
The partial pressure of a gas, in a mixture of gases, is the contribution it makes to the total pressure of the mixture.
In a mixture of gases, the total pressure is the sum of the pressures exerted by each of the gases alone.
Pressure applied to any point in a gas is transmitted equally and undimin-ished to all parts of the gas and to the walls of the container.
The quantity of gas that will dissolve in a liquid at a given temperature is proportional to the partial pressure of the gas and to its solubility coefficient.
The quantity of gas that will dissolve in a liquid at a given temperature is proportional to the partial pressure of the gas and to its solubility coefficient.
Henry’s law relates the amount of gas that will dissolve in a liquid to its partial pressure (or pressure).
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By what name is the heart muscle known?A. Epicardium
B. Myocardium
C. Pericardium
D. Endocardium
Which statement about cardiac output is correct?
A. Cardiac output is peripheral resistance multiplied by stroke volume.
B. Mean arterial pressure multiplied by peripheral resistance is cardiac output.
C. Cardiac output is heart rate multiplied by stroke volume.
D. Cardiac output is blood volume multiplied by heart rate.
What is “systolic pressure”?
A. The peak pressure in the blood due to contraction of the left ventricle.
B. The minimum pressure in the blood prior to contraction of the left ventricle.
C. It may be obtained by multiplying cardiac output by total peripheral resistance.
D. It is also known as mean arterial pressure.
A statement of Boyle’s law could be:
A. As pressure of a gas increases, its solubility increases.
B. As volume of a gas increases, its pressure decreases.
C. As volume of a gas decreases, its pressure decreases.
D. As pressure of a gas increases, its solubility decreases.
Which of the following is not a type of white blood cell?
A. Leucocyte
B. Eosinophil
C. Erythrocyte
D. Neutrophil
Consider Boyle’s law. If the pressure being exerted on an enclosed volume of gas (at a constant temperature) is increased by 20%, by what percentage would its volume change?
A. Volume would increase by 20%.
B. Volume would increase by 44%.
C. Volume would decrease by 44%.
D. Volume would decrease by 20%.
Through which valve does blood flow when it moves from the left atrium into the left ventricle?
A. The semilunar valve
B. The mitral valve
C. The tricuspid valve
D. The aortic valve
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