Bloom's: Remember Difficulty: Easy Learning Outcome: Recall the structures of the heart, including valves, chambers, and vessels.. 3 The outermost layer of the heart is the: Learning O
Trang 1Chapter 02 The Cardiovascular System
2 What is recorded on the ECG strip?
A The electrical activity of the heart
B The muscle contractions of the heart
C The circulation of blood in the heart
D All of the above
3 The average heart is approximately what size?
A The size of a baseball
B The size of your fist
C The size of a peach
D The size of your foot
Trang 26 The innermost layer of the heart is the:
8 The purpose of the pericardium is to:
A Protect the heart from infection and trauma
B Contract the heart
C Circulate blood through the coronary arteries
D Keep blood flow headed in the right direction
9 The heart is divided into four chambers The top chambers are:
A Right atrium, right ventricle
B Left atrium, left ventricle
C Right atrium, left atrium
D Right ventricle, left ventricle
10 The heart is divided into four chambers The bottom chambers are:
A Right atrium, right ventricle
B Left atrium, left ventricle
C Right atrium, left atrium
D Right ventricle, left ventricle
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Chapter 02 The Cardiovascular System
11 The valve located between the right atrium and right ventricle is the:
A Mitral (bicuspid) valve
B Tricuspid valve
C Aortic valve
D Pulmonary valve
12 The valve located between the left atrium and left ventricle is the:
A Mitral (bicuspid) valve
Trang 416 Blood returns to the heart via the veins The largest vein is the:
18 The valves located in the heart are important because they:
A Act like a door
B Prevent blood from flowing backwards
C Form electrical conduction through the heart
D Allow for good blood flow to the body
19 Blood that leaves the right ventricle is considered:
A Deoxygenated
B Systemic
C Peripheral venous return
D All of the above
Trang 5Chapter 02 The Cardiovascular System
21 The volume of blood pumped each minute is referred to as:
23 The "lubb" and "dupp" sounds you hear are made by the:
A The opening and closing of the heart valves
B The atria contracting
C The ventricles contracting
D Blood flow through the heart
Trang 626 Together, the contraction and relaxation of the heart make up:
Trang 7Chapter 02 The Cardiovascular System
31 When the sympathetic branch of the ANS (automatic nervous system) is stimulated, the heart responds by:
33 The function of the bundle branch system is to:
A Delay the electrical impulse to allow for the atrial kick to occur
B Conduct electrical impulses from the atria to the ventricles
C Conduct electrical impulses from the AV node to the Purkinje fibers
D Distribute the electrical impulse through the myocardium
Trang 836 The AV node has several important qualities that help the heart function effectively All of these are qualities of the AV node EXCEPT:
A Causes the delay of electrical impulses, which limits the number of impulses traveling to the ventricles
B Allows for a delay to provide time for the blood to travel from the atria to the ventricles before they contract (atrial kick)
C Causes a loss of atrial kick
D Serves as a backup pacemaker if the SA node fails
37 Depolarization of the cells causes the heart muscle to:
A Relax
B Refill the chambers of the heart
C Conduct electrical impulses
Trang 9Chapter 02 The Cardiovascular System
41 Repolarization of the heart is also the relaxation phase of the contraction process, which allows the chambers of the heart to refill
44 The ST segment is the time between the end of ventricular depolarization and the
beginning of ventricular repolarization and is often assessed to determine ischemia or infarction process in the heart
Trang 1048 The PR interval represents the time it takes the electrical current to travel from the SA node, through the AV node, to the ventricles prior to ventricular contraction
True False
49 Blood travels from the body to the right side of the heart to the pulmonary circulation and then returns to the left side of the heart prior to being pumped to the coronary circulation and systemic circulation
Trang 11Chapter 02 The Cardiovascular System
56 Contraction of the heart is controlled by electrical impulses
Trang 13Chapter 02 The Cardiovascular System Key
Learning Outcome: Identify each part of the ECG waveform
2. (p 2) What is recorded on the ECG strip?
A The electrical activity of the heart
B The muscle contractions of the heart
C The circulation of blood in the heart
D All of the above
The electrical activity of the heart is recorded on the ECG
Trang 143. (p 2) The average heart is approximately what size?
A The size of a baseball
B The size of your fist
C The size of a peach
D The size of your foot
The heart is approximately the size of your fist and weighs 10.6 ounces
Bloom's: Remember
Difficulty: Easy
Learning Outcome: Recall the structures of the heart, including valves, chambers, and vessels
4. (p 3) The outermost layer of the heart is the:
Learning Outcome: Recall the structures of the heart, including valves, chambers, and vessels
5. (p 3) The middle layer of the heart is the:
Trang 15Chapter 02 The Cardiovascular System Key
6. (p 3) The innermost layer of the heart is the:
Learning Outcome: Recall the structures of the heart, including valves, chambers, and vessels
7. (p 2) The sac of tissue that encloses the entire heart is the:
Learning Outcome: Recall the structures of the heart, including valves, chambers, and vessels
8. (p 3) The purpose of the pericardium is to:
A Protect the heart from infection and trauma
B Contract the heart
C Circulate blood through the coronary arteries
D Keep blood flow headed in the right direction
The purpose of the pericardium is to protect the heart from infection and trauma
Trang 16
9. (p 3) The heart is divided into four chambers The top chambers are:
A Right atrium, right ventricle
B Left atrium, left ventricle
C Right atrium, left atrium
D Right ventricle, left ventricle
The top chambers of the heart are the right atrium and the left atrium
Bloom's: Remember
Difficulty: Medium
Learning Outcome: Recall the structures of the heart, including valves, chambers, and vessels
10. (p 3) The heart is divided into four chambers The bottom chambers are:
A Right atrium, right ventricle
B Left atrium, left ventricle
C Right atrium, left atrium
D Right ventricle, left ventricle
The bottom chambers are the right ventricle and the left ventricle
Bloom's: Remember
Difficulty: Medium
Learning Outcome: Recall the structures of the heart, including valves, chambers, and vessels
11. (p 4) The valve located between the right atrium and right ventricle is the:
A Mitral (bicuspid) valve
Trang 17Chapter 02 The Cardiovascular System Key
12. (p 4) The valve located between the left atrium and left ventricle is the:
A Mitral (bicuspid) valve
Learning Outcome: Recall the structures of the heart, including valves, chambers, and vessels
13. (p 4) The tricuspid and mitral (bicuspid) valves are known as _ because they separate the atria from the ventricles
Learning Outcome: Recall the structures of the heart, including valves, chambers, and vessels
14. (p 4) The _ valves separate the ventricles from the arteries leading to the lungs or body
Trang 1815. (p 4) Name the two semilunar valves
Learning Outcome: Recall the structures of the heart, including valves, chambers, and vessels
16. (p 6) Blood returns to the heart via the veins The largest vein is the:
Learning Outcome: Recall the structures of the heart, including valves, chambers, and vessels
17. (p 7) Oxygenated blood travels through the heart via the:
A Pulmonary arteries
B Peripheral venous system
C Coronary arteries
D All of the above
Oxygenated blood travels through the aorta to the coronary arteries
Trang 19Chapter 02 The Cardiovascular System Key
18. (p 4) The valves located in the heart are important because they:
A Act like a door
B Prevent blood from flowing backwards
C Form electrical conduction through the heart
D Allow for good blood flow to the body
The flaps or cusps in the valves open to allow blood flow, then close to prevent the backflow
of blood
Bloom's: Remember
Difficulty: Medium
Learning Outcome: Recall the structures of the heart, including valves, chambers, and vessels
19. (p 6) Blood that leaves the right ventricle is considered:
A Deoxygenated
B Systemic
C Peripheral venous return
D All of the above
When the heart contracts, the right ventricle pumps deoxygenated blood to the lungs via the pulmonary artery
Bloom's: Remember
Difficulty: Medium
Learning Outcome: Recall the structures of the heart, including valves, chambers, and vessels
20. (p 7) What are the first vessels to branch off the aorta?
Trang 2021. (p 9) The volume of blood pumped each minute is referred to as:
Learning Outcome: Differentiate between pulmonary, systemic, and coronary circulation
22. (p 9) The volume of blood ejected with each contraction is referred to as:
Learning Outcome: Differentiate between pulmonary, systemic, and coronary circulation
23. (p 9) The "lubb" and "dupp" sounds you hear are made by the:
A The opening and closing of the heart valves
B The atria contracting
C The ventricles contracting
D Blood flow through the heart
These sounds are made by the opening and closing of the heart valves
Trang 21Chapter 02 The Cardiovascular System Key
24. (p 9) The phase of the cardiac cycle when the heart is expanding and refilling, also known
as the relaxation phase, is:
Learning Outcome: Explain the cardiac cycle, and relate the difference between systole and diastole
25. (p 9) The phase of the cardiac cycle when the heart is pumping blood out to the body, also known as the contraction phase, is:
Learning Outcome: Explain the cardiac cycle, and relate the difference between systole and diastole
26. (p 9) Together, the contraction and relaxation of the heart make up:
Trang 2227. (p 10) The heart's own ability to initiate an electrical impulse without being stimulated by another source is known as:
Learning Outcome: Recall the unique qualities of the heart and their relationship to the cardiac conduction system
28. (p 11) The ability of the heart cells to receive and transmit an electrical impulse is known as:
Learning Outcome: Recall the unique qualities of the heart and their relationship to the cardiac conduction system
29. (p 11) The ability of the heart muscle cells to shorten in response to an electrical impulse is known as:
Trang 23Chapter 02 The Cardiovascular System Key
30. (p 11) The ability of the heart muscle cells to respond to an impulse or stimulus is known as:
Learning Outcome: Recall the unique qualities of the heart and their relationship to the cardiac conduction system
31. (p 11) When the sympathetic branch of the ANS (automatic nervous system) is stimulated, the heart responds by:
Learning Outcome: Recall the unique qualities of the heart and their relationship to the cardiac conduction system
32. (p 11) What is the heart's response to stimulation of the vagus nerve?
Trang 2433. (p 12) The function of the bundle branch system is to:
A Delay the electrical impulse to allow for the atrial kick to occur
B Conduct electrical impulses from the atria to the ventricles
C Conduct electrical impulses from the AV node to the Purkinje fibers
D Distribute the electrical impulse through the myocardium
The bundle branches conduct electrical impulses from the AV node to the Purkinje fibers
Bloom's: Remember
Difficulty: Hard
Learning Outcome: Describe the parts and function of the conduction system
34. (p 12) The SA node sends electrical impulses at a rate of:
Learning Outcome: Describe the parts and function of the conduction system
35. (p 12) The normal pacemaker of the heart, where the electrical impulse for the heartbeat originates, is the:
Trang 25Chapter 02 The Cardiovascular System Key
36. (p 40) The AV node has several important qualities that help the heart function effectively All of these are qualities of the AV node EXCEPT:
A Causes the delay of electrical impulses, which limits the number of impulses traveling to the ventricles
B Allows for a delay to provide time for the blood to travel from the atria to the ventricles before they contract (atrial kick)
C Causes a loss of atrial kick
D Serves as a backup pacemaker if the SA node fails
The AV node causes a delay in the electrical impulse, which provides time for additional blood to travel from the atria to the ventricles before they contract This additional blood is known as the atrial kick
Bloom's: Remember
Difficulty: Hard
Learning Outcome: Describe the parts and function of the conduction system
37. (p 42) Depolarization of the cells causes the heart muscle to:
A Relax
B Refill the chambers of the heart
C Conduct electrical impulses
Trang 2638. (p 43) The P wave represents:
Learning Outcome: Describe the heart activity that produces the ECG waveform
39. (p 43) The T wave represents:
Trang 27Chapter 02 The Cardiovascular System Key
41. (p 42) Repolarization of the heart is also the relaxation phase of the contraction process, which allows the chambers of the heart to refill
Learning Outcome: Identify each part of the ECG waveform
42. (p 43) The QRS complex represents the ventricular contraction of the heart
Learning Outcome: Describe the heart activity that produces the ECG waveform
43. (p 43) The U wave represents repolarization of the ventricles
Trang 2844. (p 43) The ST segment is the time between the end of ventricular depolarization and the beginning of ventricular repolarization and is often assessed to determine ischemia or infarction process in the heart
Learning Outcome: Describe the heart activity that produces the ECG waveform
45. (p 44) A normal PR interval is 0.06-0.10 seconds in length
Learning Outcome: Describe the heart activity that produces the ECG waveform
46. (p 45) A normal QRS complex is 0.12 to 0.20 seconds in length
Trang 29Chapter 02 The Cardiovascular System Key
47. (p 45) The J point is important when measuring the QRS complex because it represents the end of ventricular depolarization
Learning Outcome: Describe the heart activity that produces the ECG waveform
48. (p 44) The PR interval represents the time it takes the electrical current to travel from the
SA node, through the AV node, to the ventricles prior to ventricular contraction
Learning Outcome: Describe the heart activity that produces the ECG waveform
49. (p 33) Blood travels from the body to the right side of the heart to the pulmonary circulation and then returns to the left side of the heart prior to being pumped to the coronary circulation and systemic circulation
Trang 3050. (p 34) Blood leaves the right ventricle and travels to the lungs via the pulmonary vein
Learning Outcome: Differentiate between pulmonary, systemic, and coronary circulation
51. (p 29) Blood circulation depends on the heart's ability to contract
Learning Outcome: Describe circulation as it relates to the ECG
52. (p 29) The process of transporting blood to and from the body tissues is known as
Learning Outcome: Describe circulation as it relates to the ECG
53. (p 29) Blood supplies body tissues with carbon dioxide and removes oxygen and nutrients