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Cardiovascular quiz - Statistics
General Stats
- This quiz has been taken 52 times
- The average score is 11 of 38
Answer Stats
| Prompt | Answer | % Correct |
|---|---|---|
| systolic blood pressure is ______ than diastolic blood pressure | higher | 63%
|
| vessels that take blood away from the heart are | arteries | 53%
|
| the sympathetic nerve can _______ heart rate | increase | 49%
|
| veins transport blood _____ the heart | towards | 49%
|
| period of contraction | systole | 47%
|
| what prevents backflow in veins | valves | 47%
|
| blood plasma contains: _____; proteins; and dissolved salts, sugars, fats, hormones | water | 47%
|
| during diastole, the aortic valve is ____ | closed | 42%
|
| tachycardia is a _____ than normal heart rate | faster | 42%
|
| the exterior layer of the artery is the tunica _____, and it provides structure to the vessel | externa | 40%
|
| an occlusion in the above vessel can cause a | myocardial infarction | 37%
|
| node that delays signal to ventricles | atrioventricular node | 35%
|
| the vagus nerve can _____ heart rate | decrease | 35%
|
| located in the right atrium, initiates heart contraction | Sinoatrial node | 35%
|
| _____ can increase the risk of a heart attack | smoking, sedentary lifestyle, diet, alcoholism, obesity, lack of sleep | 35%
|
| the middle layer of the artery is the tunica _____, and it is comprised of smooth muscle | media | 33%
|
| where is epinephrine made? | adrenal glands | 28%
|
| vessels that supply the heart with oxygen | coronary arteries | 28%
|
| the interior layer of the artery is the tunica _____, and it responds to oscillations in blood flow to maintain pressure | intima | 28%
|
| takes blood from lower body to heart | inferior vena cava | 26%
|
| _______ muscles facilitate venous bloodflow | skeletal | 23%
|
| the series of events that take place over the course of a single heartbeat | cardiac cycle | 21%
|
| interstitial fluid diffuses in and out of the tissue due to ______ gradients between the tissue and the vessels | pressure | 21%
|
| distribute electricity throughout the ventricles | purkinje fibers | 21%
|
| at the _____ end of the capillary, interstitial fluid flows into the capillary | venous | 21%
|
| nerves located between the ventricles | bundle of His | 19%
|
| the ______ _______ in the brain regulates heart rate | medulla oblongata | 16%
|
| blood plasma has a higher concentration of _____ than interstitial fluid. | protein | 16%
|
| types of muscle cells with intercalated discs | cardiac muscle | 14%
|
| 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 | 12%
|
| the strings attached to the atrioventricular valves | chordae tendinae | 12%
|
| the ____ is the opening of a blood vessel | lumen | 12%
|
| ______ are used in some capillaries as windows to increase gas exchange | fenestrations | 9%
|
| chemoreceptors detect: | pH, CO2 levels, O2 levels | 9%
|
| "begins in the heart" | Myogenic contraction | 7%
|
| baroreceptors detect: | stretch | 2%
|
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