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Test your basic knowledge |
Biomedical Engineering Heart
Start Test
Study First
Subject
:
engineering
Instructions:
Answer 43 questions in 15 minutes.
If you are not ready to take this test, you can
study here
.
Match each statement with the correct term.
Don't refresh. All questions and answers are randomly picked and ordered every time you load a test.
This is a study tool. The 3 wrong answers for each question are randomly chosen from answers to other questions. So, you might find at times the answers obvious, but you will see it re-enforces your understanding as you take the test each time.
1. Coronary sinus receives blood directly from this
cardiac output
coronary veins
prevent friction as the heart beats
vagus nerves
2. Outermost of the pericardial membranes
fibrous epicardium
closure of the valves
aorta
medial to the lungs and superior to the diaphragm
3. Relaxation
aorta
diastole
stroke volume
stenosis...
4. Veins that return blood to the right atrium
superior and inferior caval veins
fibrullation
tricuspid valve
endocardium
5. Nerves that transmit impulses to decrease the heart rate are the ____
fibrous epicardium
vagus nerves
bradycardia
bicuspid valve
6. Natural pacemaker of the heart
is smooth to prevent abnormal clotting within the heart
epicardium
SA node
bicuspid valve
7. Changes in blood pressure are detected by
bicuspid valve
medulla
fibrullation
pressoreceptors in teh carotid and aortic sinuses
8. Heart rate below 60 bpm
bradycardia
endocardium
stenosis...
prevent friction as the heart beats
9. 1st branches of teh ascending aorta
atrium
cardiac cycle
mediastinum
coronary arteries
10. Endocardium lines the chambers of the heart
prevent friction as the heart beats
is smooth to prevent abnormal clotting within the heart
aorta
right and left atria
11. Contraction
cardiac cycle
sodium ions and water
systole
60-80
12. Irregular heartbeats
epicardium
arrhythmias
closure of the valves
mediastinum
13. Normal heart sounds are caused by
closure of the valves
bradycardia
supply the heart with oxygenated blood
vagus nerves
14. Amount of blood pumped by a ventricle per beat
60-80
myocardium
systole
stroke volume
15. Prevents backflow of blood from the left ventricle to the left atrium
cardiac output
ECG
systole
bicuspid valve
16. Upper chamber of the heart
stroke volume
systole
atrium
systole
17. Cardiac muscle tissue
vagus nerves
60-80
myocardium
is smooth to prevent abnormal clotting within the heart
18. Normal range of heart rate for a healthy adult is _____ bpm
cardiac cycle
coronary veins
60-80
fibrous epicardium
19. Amount of blood pumped by a ventricle in 1 minute
mediastinum
aorta
SA node
cardiac output
20. The amount of blood that returns to teh heart
venous return
fibrous epicardium
stenosis...
systole
21. Prevents backflow of blood from teh right ventricle to the right atrium
tricuspid valve
stenosis...
supply the heart with oxygenated blood
medulla
22. Purpose of teh coronary vessels
stenosis...
arrhythmias
supply the heart with oxygenated blood
cardiac output
23. First part of the cardia conduction pathway in teh ventircles
fibrullation
superior and inferior caval veins
bundle of His...
coronary arteries
24. Contraction of chambers of the heart
systole
coronary veins
diastole
cardiac reserve
25. Narrowing of a valve
stenosis...
aortic and pulmonary semilunar valves
fibrullation
medial to the lungs and superior to the diaphragm
26. The chambers of teh heart that receive blood from the veins
right and left atria
myocardium
mediastinum
SA node
27. Funciton of the serous fluid of teh pericardial membranes
SA node
prevent friction as the heart beats
coronary arteries
stenosis...
28. Electical activity of the heart may be depicted in an
SA node
arrhythmias
ECG
SA node
29. Backflow o fblood from the arteries to the ventricles is prevented by these
right and left atria
bundle of His...
aorta
aortic and pulmonary semilunar valves
30. Largest artery of the body
venous return
aorta
systole
bicuspid valve
31. Very rapid and uncoordinated ventricular beat
medulla
tricuspid valve
cardiac reserve
fibrullation
32. Heart is located here
fibrullation
medial to the lungs and superior to the diaphragm
tricuspid valve
atrium
33. Difference between resting cardiac output adn maximum exercise cardiac output
stenosis...
atrium
is smooth to prevent abnormal clotting within the heart
cardiac reserve
34. Vessel into which the left ventricle pumps blood
sodium ions and water
diastole
aorta
SA node
35. Part of the myocardium is deprived of its blood supply and becomes ______
closure of the valves
arrhythmias
mediastinum
ischemia
36. Hormone ANP increases loss of ____in urine to decrease blood volume and blood pressure
SA node
systole
medial to the lungs and superior to the diaphragm
sodium ions and water
37. Heart chambers are lined with this
diastole
vagus nerves
endocardium
SA node
38. Area in the thoracic cavity between the lungs
mediastinum
diastole
systole
endocardium
39. Relaxation of chambers of the heart
myocardium
diastole
cardiac cycle
bradycardia
40. Visceral pericardium
epicardium
aortic and pulmonary semilunar valves
atrium
medial to the lungs and superior to the diaphragm
41. Each normal heartbeat is initiated by this
aorta
SA node
pressoreceptors in teh carotid and aortic sinuses
cardiac reserve
42. Sequence of events in one heartbeat
epicardium
cardiac cycle
aorta
medulla
43. The centers that regulate heart rate located in the___
bicuspid valve
cardiac reserve
medulla
pressoreceptors in teh carotid and aortic sinuses