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