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UTA A&P II Final Exam question and answer
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UTA A&P II Final Exam question andanswer 2024-2025
!!! In cardiac muscle, the fast depolarization phase of the
action potential is the result of ________. - correct
answer ✅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
7. pulmonary trunk
8. pulmonary veins - correct answer ✅5, 1, 3, 7, 8, 2, 4,
6
The bicuspid of mitral valve is located ______. - correct
answer ✅between left atrium and left ventricle
!!! The wall of the left ventricle is thicker than the right
because _____. - correct answer ✅the left ventricle
,UTA A&P II Final Exam question and
answer 2024-2025
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 _______. -
correct answer ✅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 ______. - correct
answer ✅ventricular contraction
Blood returning to the heart from the systemic circuit first
enters the ______. - correct answer ✅Right atrium
Pacemaker cells in the SA node - correct answer ✅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 _____. - correct answer ✅the result
of K+ and Ca2+ influx
The T wave on an ECG tracing represents _____. - correct
answer ✅ventricular repolarization
, UTA A&P II Final Exam question and
answer 2024-2025
Drugs that block the beta-one adrenergic receptors will
_____. - correct answer ✅decrease heart rate
Blood flow into the heart from the venae cavae flows next
through the ____ valve. - correct answer ✅tricuspid
!!! The volume of blood ejected from each ventricle
during a contraction is called the _____. - correct answer
✅Stroke volume
Which of the following factors will increase the net
filtration pressure to move fluid out of capillaries? -
correct answer ✅Both decreased plasma albumen and
increased blood hydrostatic pressure
!!! Which of the following statements is false concerning
the movement of fluid between capillaries and interstitial
space? - correct answer ✅The net filtration pressure is
usually zero.
Compared to arteries, veins _____. - correct answer
✅have thinner walls
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