PHYSIO EX 6 - cardiovascular
physiology
autorhythmicity - ANSthe CARDIAC muscle is capable of which of the following?
_________
plateau - ANSPHASE 2 of the cardiac action potential, when the CALCIUM channels remain
OPEN and potassium channels are closed, is called the _________ phase
longer, skeletal - ANSwhich of the following is TRUE of the cardiac action potential?
the cardiac action potential is _________ than the _________ muscle action potential
single, ventricle - ANSthe main anatomical difference between the frog heart and the human
heart is that the FROG heart has a
_________, fused _________
new, relaxation - ANSthe amplitude of the ventricular systole did NOT change with the more
frequent stimulation because
a _________ contraction could NOT begin until the _________ phase
refractory, cardiac - ANSwhich of the following do you think contribute to the INABILITY of
cardiac muscle to be TETANIZED?
the long _________ period of the _________ action potential
contract, relax - ANSgiven the function of the heart, why is it important that cardiac muscle
CANNOT reach tetanus?
the VENTRICLES must _________ and _________ fully with each beat to pump blood
ventricular - ANSan EXTRASYSTOLE corresponds to an extra _________ CONTRACTION
decrease - ANSthe effect of the PARASYMPATHETIC nervous system on the HEART is to
_________ the heart rate
physiology
autorhythmicity - ANSthe CARDIAC muscle is capable of which of the following?
_________
plateau - ANSPHASE 2 of the cardiac action potential, when the CALCIUM channels remain
OPEN and potassium channels are closed, is called the _________ phase
longer, skeletal - ANSwhich of the following is TRUE of the cardiac action potential?
the cardiac action potential is _________ than the _________ muscle action potential
single, ventricle - ANSthe main anatomical difference between the frog heart and the human
heart is that the FROG heart has a
_________, fused _________
new, relaxation - ANSthe amplitude of the ventricular systole did NOT change with the more
frequent stimulation because
a _________ contraction could NOT begin until the _________ phase
refractory, cardiac - ANSwhich of the following do you think contribute to the INABILITY of
cardiac muscle to be TETANIZED?
the long _________ period of the _________ action potential
contract, relax - ANSgiven the function of the heart, why is it important that cardiac muscle
CANNOT reach tetanus?
the VENTRICLES must _________ and _________ fully with each beat to pump blood
ventricular - ANSan EXTRASYSTOLE corresponds to an extra _________ CONTRACTION
decrease - ANSthe effect of the PARASYMPATHETIC nervous system on the HEART is to
_________ the heart rate
