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UTA A&P II Final Exam Questions and
Correct Answers/ Latest Update /
Already Graded
!!! In cardiac muscle, the fast depolarization phase of the action
potential is the result of ________.
Ans: increased membrane permeability to sodium ions
The following is a list of vessels and structures that are associated with
the heart.
1. right atrium
2. left atrium
3. right ventricle
4. left ventricle
5. venae cavae
6. aorta
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7. pulmonary trunk
8. pulmonary veins
Ans: 5, 1, 3, 7, 8, 2, 4, 6
The bicuspid of mitral valve is located ______.
Ans: between left atrium and left ventricle
!!! The wall of the left ventricle is thicker than the right because _____.
Ans: the left ventricle does more work than the right ventricle and the left
ventricle produces a higher pressure than the right
The right ventricle pumps blood into the _______.
Ans: lungs via the pulmonary artery
The phase in the cardiac cycle when the mitral valve is closed and
the aortic valve is open is the ______.
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Ans: ventricular contraction
Blood returning to the heart from the systemic circuit first enters the
______.
Ans: Right atrium
Pacemaker cells in the SA node
Ans: both show a spontaneous depolarization and are connected by gap
junctions to atrial myocytes.
!!! The plateau phase of the cardiac muscle action potential relates
to _____.
Ans: the result of K+ and Ca2+ influx
The T wave on an ECG tracing represents _____.
Ans: ventricular repolarization
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Drugs that block the beta-one adrenergic receptors will _____.
Ans: decrease heart rate
Blood flow into the heart from the venae cavae flows next through
the ____ valve.
Ans: tricuspid
!!! The volume of blood ejected from each ventricle during a
contraction is called the _____.
Ans: Stroke volume
Which of the following factors will increase the net filtration pressure
to move fluid out of capillaries?
Ans: Both decreased plasma albumen and increased blood hydrostatic
pressure
UTA A&P II Final Exam Questions and
Correct Answers/ Latest Update /
Already Graded
!!! In cardiac muscle, the fast depolarization phase of the action
potential is the result of ________.
Ans: increased membrane permeability to sodium ions
The following is a list of vessels and structures that are associated with
the heart.
1. right atrium
2. left atrium
3. right ventricle
4. left ventricle
5. venae cavae
6. aorta
,2 | Page
7. pulmonary trunk
8. pulmonary veins
Ans: 5, 1, 3, 7, 8, 2, 4, 6
The bicuspid of mitral valve is located ______.
Ans: between left atrium and left ventricle
!!! The wall of the left ventricle is thicker than the right because _____.
Ans: the left ventricle does more work than the right ventricle and the left
ventricle produces a higher pressure than the right
The right ventricle pumps blood into the _______.
Ans: lungs via the pulmonary artery
The phase in the cardiac cycle when the mitral valve is closed and
the aortic valve is open is the ______.
,3 | Page
Ans: ventricular contraction
Blood returning to the heart from the systemic circuit first enters the
______.
Ans: Right atrium
Pacemaker cells in the SA node
Ans: both show a spontaneous depolarization and are connected by gap
junctions to atrial myocytes.
!!! The plateau phase of the cardiac muscle action potential relates
to _____.
Ans: the result of K+ and Ca2+ influx
The T wave on an ECG tracing represents _____.
Ans: ventricular repolarization
, 4 | Page
Drugs that block the beta-one adrenergic receptors will _____.
Ans: decrease heart rate
Blood flow into the heart from the venae cavae flows next through
the ____ valve.
Ans: tricuspid
!!! The volume of blood ejected from each ventricle during a
contraction is called the _____.
Ans: Stroke volume
Which of the following factors will increase the net filtration pressure
to move fluid out of capillaries?
Ans: Both decreased plasma albumen and increased blood hydrostatic
pressure
