After stimulating the vagus nerve, which of the following occurred to the heart rate? (the directions state to wait for 2 full passes across the oscilloscope - wait for at least 4-5). (A) heart rate increased (B) heart rate decreased (C) heart rate decreased and then stopped
After stimulating the vagus nerve, which of the following occurred to the heart rate? (the directions state to wait for 2 full passes across the oscilloscope - wait for at least 4-5). (A) heart rate increased (B) heart rate decreased (C) heart rate decreased and then stopped
Human Anatomy & Physiology (11th Edition)
11th Edition
ISBN:9780134580999
Author:Elaine N. Marieb, Katja N. Hoehn
Publisher:Elaine N. Marieb, Katja N. Hoehn
Chapter1: The Human Body: An Orientation
Section: Chapter Questions
Problem 1RQ: The correct sequence of levels forming the structural hierarchy is A. (a) organ, organ system,...
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Question
After stimulating the vagus nerve, which of the following occurred to the heart rate? (the directions state to wait for 2 full passes across the oscilloscope - wait for at least 4-5).
(A) heart rate increased
(B) heart rate decreased
(C) heart rate decreased and then stopped
Transcribed Image Text:0 1 2
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5
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Time (sec)
23° C Ringer's
Heart Rate (beats/min)
Heart Activity
33
Heart Rate Changing
Submit Data
External Stimulation Electrode
Single Stimulus
Stop Stimuli
HE
Vagus Nerve Stimulation Electrode
Voltage (V)
Stimuli/sec
50
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