Cardiovascular Physiology - Function Quiz
Preview:
The system that is responsible for the preparation of the body for physical activity is the:
A. Central Nervous System
B. Peripheral Nervous System
C. Parasympathetic Nervous System
D. Sympathetic Nervous System
All of the following are signs of inadequate cardiac output EXCEPT:
A. Low Blood Pressure
B. Dizziness
C. Hypertension
D. Shortness of Breath
The autonomic nervous system is divided into ________ major divisions.
A. 6
B. 4
C. 8
D. 2
The amount of opposition to blood flow offered by the arterioles is known as:
A. Cardiac Output
B. Preload
C. Blood Pressure
D. Peripheral Vascular Resistance
When acetylcholine is released, it causes the heart rate to:
A. Increase and atrioventricular conduction rates too slow
B. Increase and atrioventricular conduction rates to increase
C. Slow and atrioventricular conduction rates to increase
D. Slow and atrioventricular conduction rates too slow
The term that defines the volume of blood pumped out of one ventricle of the heart in a single beat or contraction is:
A. Preload Volume
B. Cardiact Volume
C. Input volume
D. Stroke Volume
The effect of beta2 stimulation caused bronchial:
A. Spasms
B. Dilation
C. Constriction
D. Secretions
The system that is responsible for regulating the calmer functions of our existence is the:
A. Sympathetic Nervous System
B. Peripheral Nervous system
C. Parasympathetic Nervous System
D. All of the above
A concept known as Starling’s Law of the heart is a result of the ________ of the ventricular myocardial fibers.
A. Shrinking
B. Stimulation
C. Stretching
D. Decrease
The valve located between the left atrium and the left ventricle is the:
A. Pulmonic Valve
B. Aortic Valve
C. Mitral Valve
D. Tricuspid Valve
The effect of beta1 stimulation causes:
A. Decreased contractility
B. Vasodilation
C. Decreased heart rate
D. Increased heart rate
Blood pressure is affected by peripheral vascular resistance and cardiac:
A. Input
B. Preload
C. Stimulation
D. Output
The _______ is directly affected by the exact volume of blood that returns to the right atrium.
A. Postload
B. Preload
C. Afterload
D. Middleload
The result of the release of norepinephrine is the:
A. Decrease in heart rate and vasodilation
B. Increase in heart rate and vasoconstriction
C. Increase in heart rate and vasodilation
D. Decrease in heart rate and vasoconstriction
The term that is synonymous with ventricular contraction is:
A. Systole
B. Heart rate
C. Diastole
D. Preload