Random
During ejection, what percentage of blood shoots out of the ventricles?
60%
The second heart sound is due to:
Semilunar Values Closing
If the aorta pumps out 70mL of blood per beat, how many mL of blood does the pulmonary artery pump out per beat?
70mL
13%
What portion of the vasculature has the lowest pressure?
Veins
If an individual’s cardiac output increases after a training cycle, what is the likely cause
Increased Stroke Volume
On average, plasma is what percentage of blood?
55%
In what phase of the cardiac cycle is ventricular pressure the highest?
Phase 3
Is pressure is higher in the systemic or pulmonary circuit?
systemic
Arteries are highly elastic or compliant?
Elastic
Whats the term for the amount of blood that is pumped through the heart per beat?
Stroke Volume
The ______ circuit carries on the _____ side of the heart carries oxygenated blood to the entire body?
Pulmonary, right
What two phases of the cardiac cycle are during systole?
2 & 3
Following chronic endurance training that is properly designed, all of the following increase except (VO2max, Max HR, Lactate Threshold)
What portion of the vasculature is responsible for slowing down blood velocity?
Arterioles
What is the cardiac output in healthy individuals?
5L/min
What type of exercise will increase blood pressure the most: running, leg press or bench press?
leg press
The Frank Starling Mechanism is associated with what regulator of stroke volume?
Preload
At rest, heart rate is primarily regulated by what division of the nervous system?
Parasympathetic nervous system
What type of left ventricular hypertrophy is due to endurance training?
Eccentric Hypertrophy
functional sympatholysis
In untrained trained individuals, SV plateaus at what % of VO2max?
40% VO2max
What regulator of stroke volume is inversely related to SV?
Afterload
Going from resting heart rate to 100bpm is a result of?
Decreased parasympathetic drive
Bradycardia is defined as:
<60bpm