Which of the following lists the valves in the order through which the blood flows from the vena cava through the heart?
Tricuspid, pulmonary semilunar, bicuspid, aortic semilunar
Mitral, pulmonary semilunar, bicuspid, aortic semilunar
Aortic semilunar, pulmonary semilunar, tricuspid, bicuspid...
Which portion of the ECG corresponds to repolarization of the atria?
P wave
QRS complex
T wave
atrial repolarization is masked by ventricular depolarization - ANSWER-atrial
repolarization is masked by ventricular depolarization
The cardiovascular centers are located in which area of the brain?
,thick walled, small lumens, low pressure
thin walled, large lumens, low pressure
thin walled, small lumens, high pressure
thick walled, large lumens, high pressure - ANSWER-thin walled, large lumens, low
pressure
Venoconstriction increases which of the following?
blood pressure within the vein
blood flow within the vein
return of blood to the heart
all of the above - ANSWER-all of the above
Would stroke volume be expected to be largest in a patient with high or low blood
pressure, everything else being equal?
High
Low - ANSWER-Low
Which statement best describes the process of arteriosclerosis?
Buildup of plaques in blood vessels, restricting blood flow
Stiffening of blood vessels due to loss of elastic fibers - ANSWER-Stiffening of blood
vessels due to loss of elastic fibers
If you were to drink a liter of cola, the increased blood pressure due to increased blood
volume would be detected by _______.
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