Cardiovascular quiz - Statistics

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This quiz has been taken 53 times
The average score is 11 of 38

Answer Stats

Prompt	Answer	% Correct
systolic blood pressure is ______ than diastolic blood pressure	higher	64%
vessels that take blood away from the heart are	arteries	55%
the sympathetic nerve can _______ heart rate	increase	50%
veins transport blood _____ the heart	towards	50%
period of contraction	systole	48%
what prevents backflow in veins	valves	48%
blood plasma contains: _____; proteins; and dissolved salts, sugars, fats, hormones	water	45%
during diastole, the aortic valve is ____	closed	43%
tachycardia is a _____ than normal heart rate	faster	43%
the exterior layer of the artery is the tunica _____, and it provides structure to the vessel	externa	41%
an occlusion in the above vessel can cause a	myocardial infarction	39%
node that delays signal to ventricles	atrioventricular node	36%
the vagus nerve can _____ heart rate	decrease	36%
located in the right atrium, initiates heart contraction	Sinoatrial node	36%
_____ can increase the risk of a heart attack	smoking, sedentary lifestyle, diet, alcoholism, obesity, lack of sleep	36%
the middle layer of the artery is the tunica _____, and it is comprised of smooth muscle	media	34%
where is epinephrine made?	adrenal glands	30%
vessels that supply the heart with oxygen	coronary arteries	30%
the interior layer of the artery is the tunica _____, and it responds to oscillations in blood flow to maintain pressure	intima	30%
takes blood from lower body to heart	inferior vena cava	25%
_______ muscles facilitate venous bloodflow	skeletal	25%
interstitial fluid diffuses in and out of the tissue due to ______ gradients between the tissue and the vessels	pressure	23%
distribute electricity throughout the ventricles	purkinje fibers	23%
nerves located between the ventricles	bundle of His	20%
the series of events that take place over the course of a single heartbeat	cardiac cycle	20%
at the _____ end of the capillary, interstitial fluid flows into the capillary	venous	20%
the ______ _______ in the brain regulates heart rate	medulla oblongata	18%
blood plasma has a higher concentration of _____ than interstitial fluid.	protein	18%
types of muscle cells with intercalated discs	cardiac muscle	16%
capillaries have _____ to increase gaseous exchange	large lumen, branching, walls one cell thick	14%
_____ is interstitial fluid: fluid found in the space between cells	lymph	14%
the muscle and elasticity in arteries helps to maintain	blood pressure	11%
the strings attached to the atrioventricular valves	chordae tendinae	11%
______ are used in some capillaries as windows to increase gas exchange	fenestrations	11%
the ____ is the opening of a blood vessel	lumen	11%
chemoreceptors detect:	pH, CO2 levels, O2 levels	11%
"begins in the heart"	Myogenic contraction	7%
baroreceptors detect:	stretch	2%

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