The pacemaker of the heart is the:
A) bundle of His.
B) Purkinje fibers.
C) SA node.
D) conduction fibers.
E) AV node.
Correct Answer:
Verified
Q5: What is the flattened structure that forms
Q15: Which microscopic vessel enables nutrients and oxygen
Q17: Which circular muscle found in tubular structures
Q19: The CF ather/o means
A) atrium.
B) vessel.
C) antrum.
D)
Q20: The CF phleb/o means
A) plaque.
B) embolus.
C) vein.
D)
Q22: The prefix endo- means
A) around.
B) beside.
C) beneath.
D)
Q23: The suffix -gram means:
A) different.
B) foreign.
C) seizure.
D)
Q24: The CF vas/o means:
A) vein.
B) volume.
C) vessel;vas
Q25: Oxygen deficiency in surrounding tissues is called:
A)
Q32: Backflow of blood in the heart is
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