UTA A&P II FINAL EXAM FALL 2024 QUESTIONS WITH COMPLETE SOLUTIONS | GRADED A+
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A&P.
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A&P.
UTA A&P II FINAL EXAM FALL 2024 QUESTIONS WITH COMPLETE SOLUTIONS | GRADED A+
In cardiac muscle, the fast depolarization phase of the action potential is the result of ________. - increased membrane permeability to sodium ions
The following is a list of vessels and structures that are as...
UTA A&P II FINAL EXAM FALL 2024 QUESTIONS
WITH COMPLETE SOLUTIONS | GRADED A+
In cardiac muscle, the fast depolarization phase of the action potential is the result of
________. - 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 - 5, 1, 3, 7, 8, 2, 4, 6
The bicuspid of mitral valve is located ______. - between left atrium and left ventricle
!!! The wall of the left ventricle is thicker than the right because _____. - 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 _______. - 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 ______. - ventricular contraction
Blood returning to the heart from the systemic circuit first enters the ______. - Right
atrium
Pacemaker cells in the SA node - 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 _____. - the
result of K+ and Ca2+ influx
The T wave on an ECG tracing represents _____. - ventricular repolarization
Drugs that block the beta-one adrenergic receptors will _____. - decrease heart rate
, Blood flow into the heart from the venae cavae flows next through the ____ valve. -
tricuspid
!!! The volume of blood ejected from each ventricle during a contraction is called the
_____. - Stroke volume
Which of the following factors will increase the net filtration pressure to move fluid out of
capillaries? - 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? - The net filtration pressure is usually zero.
Compared to arteries, veins _____. - have thinner walls
Materials can move across capillary walls by - diffusion, bulk flow, and transcytosis
!!! Blood flow to a tissue will increase if the __________. - arterioles dilate
Arrange the structures in the following list in the order that blood will encounter as it
flows from the output side to the input side of the cardiovascular flow circuit.
Blood pressure increases with all of the following, except increased ______. -
parasympathetic innervation
!!! The blood colloid osmotic pressure mostly depends on the ______. - concentration
of plasma proteins
!!! Blood flow through a capillary is controlled by the _____. - precapillary sphincter
!!! Blood moves through veins because of all of the following except ______. - pumping
by the smooth muscle in the wall of the vein
The muscular layer of a blood vessel is the ______. - tunica media
Total peripheral resistance is related to all of the following, except the_____. -
osmolarity of interstitial fluids
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