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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. Cardiac muscle tissue
myocardium
systole
endocardium
mediastinum
2. Amount of blood pumped by a ventricle per beat
right and left atria
aortic and pulmonary semilunar valves
prevent friction as the heart beats
stroke volume
3. Relaxation of chambers of the heart
cardiac cycle
SA node
right and left atria
diastole
4. Veins that return blood to the right atrium
coronary arteries
superior and inferior caval veins
diastole
cardiac reserve
5. Difference between resting cardiac output adn maximum exercise cardiac output
cardiac output
fibrullation
vagus nerves
cardiac reserve
6. Changes in blood pressure are detected by
endocardium
aortic and pulmonary semilunar valves
pressoreceptors in teh carotid and aortic sinuses
atrium
7. Largest artery of the body
systole
endocardium
aorta
cardiac reserve
8. Electical activity of the heart may be depicted in an
ECG
tricuspid valve
epicardium
is smooth to prevent abnormal clotting within the heart
9. Hormone ANP increases loss of ____in urine to decrease blood volume and blood pressure
SA node
epicardium
sodium ions and water
diastole
10. Area in the thoracic cavity between the lungs
mediastinum
bicuspid valve
60-80
myocardium
11. Funciton of the serous fluid of teh pericardial membranes
diastole
prevent friction as the heart beats
coronary veins
fibrous epicardium
12. Outermost of the pericardial membranes
tricuspid valve
cardiac reserve
fibrous epicardium
arrhythmias
13. Coronary sinus receives blood directly from this
stroke volume
tricuspid valve
coronary veins
sodium ions and water
14. The amount of blood that returns to teh heart
venous return
aortic and pulmonary semilunar valves
stenosis...
cardiac output
15. Irregular heartbeats
coronary arteries
closure of the valves
arrhythmias
epicardium
16. Endocardium lines the chambers of the heart
myocardium
venous return
bicuspid valve
is smooth to prevent abnormal clotting within the heart
17. Contraction of chambers of the heart
systole
atrium
epicardium
cardiac output
18. Backflow o fblood from the arteries to the ventricles is prevented by these
stroke volume
epicardium
aortic and pulmonary semilunar valves
ECG
19. Part of the myocardium is deprived of its blood supply and becomes ______
ischemia
endocardium
aorta
stenosis...
20. Natural pacemaker of the heart
myocardium
aorta
is smooth to prevent abnormal clotting within the heart
SA node
21. Each normal heartbeat is initiated by this
60-80
SA node
systole
supply the heart with oxygenated blood
22. Prevents backflow of blood from the left ventricle to the left atrium
stenosis...
ECG
supply the heart with oxygenated blood
bicuspid valve
23. Visceral pericardium
aortic and pulmonary semilunar valves
tricuspid valve
stroke volume
epicardium
24. Heart is located here
endocardium
systole
medial to the lungs and superior to the diaphragm
cardiac output
25. Upper chamber of the heart
aorta
SA node
cardiac reserve
atrium
26. Very rapid and uncoordinated ventricular beat
coronary veins
superior and inferior caval veins
systole
fibrullation
27. Normal heart sounds are caused by
closure of the valves
arrhythmias
coronary veins
ECG
28. Relaxation
myocardium
atrium
aortic and pulmonary semilunar valves
diastole
29. Sequence of events in one heartbeat
aorta
diastole
cardiac cycle
bundle of His...
30. Heart rate below 60 bpm
diastole
myocardium
aorta
bradycardia
31. The chambers of teh heart that receive blood from the veins
medial to the lungs and superior to the diaphragm
right and left atria
venous return
endocardium
32. First part of the cardia conduction pathway in teh ventircles
pressoreceptors in teh carotid and aortic sinuses
stenosis...
bundle of His...
endocardium
33. Narrowing of a valve
bradycardia
ischemia
right and left atria
stenosis...
34. Contraction
medulla
cardiac cycle
cardiac reserve
systole
35. Vessel into which the left ventricle pumps blood
bradycardia
aorta
SA node
cardiac reserve
36. 1st branches of teh ascending aorta
endocardium
coronary arteries
tricuspid valve
60-80
37. Heart chambers are lined with this
medial to the lungs and superior to the diaphragm
endocardium
medulla
systole
38. Nerves that transmit impulses to decrease the heart rate are the ____
tricuspid valve
vagus nerves
coronary veins
coronary arteries
39. Normal range of heart rate for a healthy adult is _____ bpm
coronary arteries
60-80
aorta
atrium
40. Purpose of teh coronary vessels
supply the heart with oxygenated blood
right and left atria
venous return
systole
41. Amount of blood pumped by a ventricle in 1 minute
sodium ions and water
cardiac output
tricuspid valve
right and left atria
42. The centers that regulate heart rate located in the___
diastole
myocardium
medulla
stenosis...
43. Prevents backflow of blood from teh right ventricle to the right atrium
tricuspid valve
myocardium
bundle of His...
aortic and pulmonary semilunar valves