Which division of the autonomic nervous system would likely be activated if a student learned that an exam they had forgotten about would start in 5 minutes? Explain.

Anatomy & Physiology
1st Edition
ISBN:9781938168130
Author:Kelly A. Young, James A. Wise, Peter DeSaix, Dean H. Kruse, Brandon Poe, Eddie Johnson, Jody E. Johnson, Oksana Korol, J. Gordon Betts, Mark Womble
Publisher:Kelly A. Young, James A. Wise, Peter DeSaix, Dean H. Kruse, Brandon Poe, Eddie Johnson, Jody E. Johnson, Oksana Korol, J. Gordon Betts, Mark Womble
Chapter16: The Neurological Exam
Section: Chapter Questions
Problem 5ILQ: Watch this short video (http://openstaxcollege.org/l/facialnerve) to see an examination of the...
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• Which division of the autonomic nervous system would likely be activated if a
student learned that an exam they had forgotten about would start in 5
minutes? Explain.
• Which one of the five categories of sensory receptors is primarily dedicated
to external stimuli?
• Explain what is happening here in muscle contraction. Be sure to tell me
what role Cat, ATP, myosin, and actin play.
Thin filaments
keee
Binding of a new mol-
ecule of ATP releases the
myosin head from actin,
and a new cycle begins.
Thick filament
Thin filament moves
toward center of sarcomere.
-Myosin head (low-
energy configuration)
Releasing ADP and ℗. myosin
returns to its low-energy configuration,
sliding the thin filament
Starting here, the myosin head
is bound to ATP and is in its
low-energy configuration.
-Myosin head (low-
energy configuration)
>Cross-bridge
Thin filament
Thick
filament
Actin
The myosin head hydrolyzes
ATP to ADP and inorganic
phosphate () and is in its
high-energy configuration.
Myosin
binding sites
-Myosin head (high-
energy configuration)
The myosin head binds
to actin, forming a
cross-bridge.
Transcribed Image Text:• Which division of the autonomic nervous system would likely be activated if a student learned that an exam they had forgotten about would start in 5 minutes? Explain. • Which one of the five categories of sensory receptors is primarily dedicated to external stimuli? • Explain what is happening here in muscle contraction. Be sure to tell me what role Cat, ATP, myosin, and actin play. Thin filaments keee Binding of a new mol- ecule of ATP releases the myosin head from actin, and a new cycle begins. Thick filament Thin filament moves toward center of sarcomere. -Myosin head (low- energy configuration) Releasing ADP and ℗. myosin returns to its low-energy configuration, sliding the thin filament Starting here, the myosin head is bound to ATP and is in its low-energy configuration. -Myosin head (low- energy configuration) >Cross-bridge Thin filament Thick filament Actin The myosin head hydrolyzes ATP to ADP and inorganic phosphate () and is in its high-energy configuration. Myosin binding sites -Myosin head (high- energy configuration) The myosin head binds to actin, forming a cross-bridge.
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