Exam 1: BIOS255 / BIOS 255 (Latest
Update 2024 / 2025) Anatomy & Physiology III with Lab | Test Review Study Guide | 100% Correct | Grade A - Chamberlain
Question:
cardiac pacemaker cells
Answer:
SA nodes
Question:
SA node
Answer:
Sodium, potassium and calcium
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Question:
Slow influx of Na+
Answer:
Results of this depolarization
Question:
Electrical conduction system
Answer:
SA node, AV node, Bundle of His, Purkinje fibers
Question:
P wave
Answer:
atrial depolarization
Question:
PQ interval
Answer:
ventricular filling
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Question:
QRS complex
Answer:
ventricular depolarization
Question:
ST segment
Answer:
Ventricular emptying
Question:
T wave
Answer:
ventricular repolarization
Question:
first sound
Answer:
S1: closure of the atrioventricularvalves
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