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