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Examen
Nuro 548 Endocrine And Sex Questions And Answers | Nuro 548 Study Guide & Practice Test 2026/2027
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Examen
Patho Exam 3-Nuro 548 Test Bank with over 600 Questions and Answers (Latest Update) GRADED A
PopularWhere does rhythmic beating of the heart initiate? 
SA node 
 
 
 
 
Where is the SA node? 
R atrium 
 
 
 
 
Where is the AV node located? 
junction of atria and ventricles 
 
 
 
 
Where does electrical current go after it leaves the AV node? 
Purkinjie fibers 
 
 
 
 
Why is there a delay at the AV node? 
To give adequate time for the ventricles to fill with blood 
 
 
 
 
What is the intrinsic cardiac pacemaker? 
SA node 
 
BPM of the SA node? 
60-100 
 
 
 
 
BPM of the AV node? 
40-60 bpm...