CVS 204 EXAM 1 2025/2026 NEWEST ACTUAL EXAM WITH
COMPLETE QUESTIONS AND VERIFIED ANSWERS
|ALREADY GRADED A+|
Crista Supraventricular is... -ANSWERS-the thick muscle that
separates the RVIT from the RVOT
Cardiac action potential: phase 4 -ANSWERS-resting
Cardiac Action Potential: phase 0 -ANSWERS-depolarization
Cardiac action potential: phase 1 -ANSWERS-partial
repolarization
Cardiac action potential:phase 2 -ANSWERS-plataeu
Cardiac action potential: phase 3 -ANSWERS-rapid repolarization
sympathetic impulses -ANSWERS-increase heart rate
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parasympathetic impulses -ANSWERS-decrease heart rate
SA node -ANSWERS-60-100 bpm, primary pacemaker, upper
posterior part of right atrium
AV node -ANSWERS-40-60 bpm, floor of right atrium just above
tricuspid valve
Bundle of His -ANSWERS-extends from AV node through fibrous
skeleton into IVS
purkinje fibers -ANSWERS-20-40 bpm
order of the conduction system -ANSWERS-SA node →
Internodal Pathways (Anterior, Middle/Wenckebach's, Posterior)
→ AV node → Bundle of His → Left and Right Bundle Branches
→ Purkinje Fibers
Diastole -ANSWERS-Semilunar valves closed