PNB 2275 Lab 3 Exam Questions and Answers| New Update with 100% Correct Answers
Difference btwn frog and human heart F: 3 chambers
H: pacemaker cells in SA node
F: pacemaker cells in SV node
F: one ventricle, mix O2 and non O2 blood
The pacemaker in the mammalian heart is the ___ node and the pacemaker in the frog heart is
the ___ node. SA
SV
Describe blood flow in frog heart - de oxy blood from body goes to R.atrium
- de oxy blood pumped out to skin and lungs
- oxy blood returns from lungs to L.atrium
- oxy blood goes to brain and other organs
What are we measuring in this lab? Mechanical and electrical signals of frog heart
Which electrode is attached to hook? Negative (red)
Where does the positive electrode go? Right shoulder of frog
What electrode goes on the frog thigh? Ground
How can you rescue frog heart if it stops from too much Ach? - warm ringer
- massage
- isuprel
Difference btwn frog and human heart F: 3 chambers
H: pacemaker cells in SA node
F: pacemaker cells in SV node
F: one ventricle, mix O2 and non O2 blood
The pacemaker in the mammalian heart is the ___ node and the pacemaker in the frog heart is
the ___ node. SA
SV
Describe blood flow in frog heart - de oxy blood from body goes to R.atrium
- de oxy blood pumped out to skin and lungs
- oxy blood returns from lungs to L.atrium
- oxy blood goes to brain and other organs
What are we measuring in this lab? Mechanical and electrical signals of frog heart
Which electrode is attached to hook? Negative (red)
Where does the positive electrode go? Right shoulder of frog
What electrode goes on the frog thigh? Ground
How can you rescue frog heart if it stops from too much Ach? - warm ringer
- massage
- isuprel
