WCU PHYS 261 FINAL EXAM 2023-2024 ACTUAL
EXAM 2 LATEST VERSIONS A AND B EACH
VERSION CONTAINS 70 QUESTIONS AND
CORRECT DETAILED ANSWERS
Terms in this set (71)
The volume of blood Stroke Volume (SV)
pumped out of the heart
from one ventricle during
one contraction
The rapid depolarization Na+ only
phase of the action
potentials of myocardial
contractile cells is due to
which ion(s)?
The volume of blood in End- diastolic volume (EDV)
the ventricle available to
be pumped out of the
heart during one
contraction
The volume of blood left End- systolic volume (ESV)
in the ventricle after it
contracts
The volume of blood Stroke volume (SV)
ejected from each
ventricle during a
contraction
What happens when Tropomyosin is pulled away from the myosin-binding
calcium binds to troponin? site on actin.
, The driving force for pressure
blood flow is a(n) ________
gradient.
Which would NOT cause a decrease in cardiac output
an increase in blood
pressure?
Match the name of the QRS complex
wave with the correlated
event:
ventricular depolarization
The function of transverse rapidly conduct action potentials to the interior of the
tubules is to muscle fiber.
Which is greater: A) blood pressure when the peripheral vessels
A) blood pressure when constrict
the peripheral vessels
constrict
B) blood pressure when
the peripheral vessels
dilate
The P wave of an ECG depolarization of the atria
corresponds to
The reflex that crossed extensor reflex
compliments a withdrawal
reflex by making
compensatory
adjustments on the
opposite side of the body
receiving the stimulus is
the
Your instructor announces Increased sympathetic signaling and increased
a pop quiz. Which would cardiac output
you expect?
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