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BSC 2086 Physio Exercise 6 Activity 2
- Course
- BSC 2086
- Institution
- Hillsborough Community College
This is a comprehensive and detailed practice material on; Physio Exercise 6 Activity 2; Cardiovascular Physiology.
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2/7/2021 PhysioEx Exercise 6 Activity 2PhysioEx Lab Report
Exercise 6: Cardiovascular Physiology
Activity 2: Examining the Effect of Vagus Nerve Stimulation
Name: Naja Crothers
Date: 7 February 2021
Session ID: session-9ee6a38b-c82a-3fa8-4108-36d88df7353d
Pre-lab Quiz Results
You scored 100% by answering 4 out of 4 questions correctly.
1 The effect of the parasympathetic nervous system on the heart is
to
You correctly answered: decrease the heart rate.
2 The branch of the autonomic nervous system that dominates
during exercise is
You correctly answered: the sympathetic branch.
3 Parasympathetic stimulation reaches the heart through
You correctly answered: vagus nerves, which are cranial nerves.
4 The usual pacemaker of the heart
You correctly answered: is the sinoatrial node.
Experiment Results
Predict Question
i
https://media.pearsoncmg.com/bc/bc_0media_ap/physioex/10/ex6/act2/ 1/5
, 2/7/2021 PhysioEx Exercise 6 Activity 2
1 Predict Question: What do you think will happen if you apply
multiple stimuli to the heart by indirectly stimulating the vagus
nerve?
Your answer: The heart rate will increase.
Stop & Think Questions
1 Watch the contractile activity from the frog heart on the
oscilloscope.
Enter the number of ventricular contractions per minute (from the
heart rate display).
You answered: 61 beats/min.
2 The vagus nerve carries
You did not answer this question.
Correct answer: signals that decrease the heart rate.
3 Enter the number of ventricular contractions per minute (from the
heart rate display).
You answered: 61 beats/min.
4 The response that resumed the heartbeat after the vagus nerve
stimulation is called
You correctly answered: vagal escape.
Experiment Data
i
https://media.pearsoncmg.com/bc/bc_0media_ap/physioex/10/ex6/act2/ 2/5
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