Name: ______________________________ Period: _______
Nervous packet continued…
CHAPTER 11: AUTONOMIC NERVOUS SYSTEM
I. COMPARISON OF SOMATIC AND AUTONOMIC NERVOUS SYSTEMS
OBJ: Compare the main structural and functional differences between the somatic and autonomic
parts of the nervous system.
Somatic nervous system (SNS) includes both ___________________ and ________________
neurons.
Somatic sensory neurons convey input form receptors for the special senses:
 _________________
 _________________
 _________________
 _________________
 _________________
Also receptors for somatic senses:
 ____________________
 ____________________
 ____________________
 _________________________________
These are all consciously perceived…
Sensory motor neurons synapse with _____________________ _______________ and produce
______________________________________________.
Skeletal muscles also generate __________________________ movements.
Autonomic sensory neurons are associated with sensory receptors that monitor
___________________________.
 __________________________
 ___________________________________________________________________________
Autonomic motor neurons regulate _________________ and _______________ muscles, and
______________.
These cannot be consciously suppressed or altered.
Comparison of somatic and autonomic motor neurons
Somatic motor neurons extend from _________ to ____________________________________.
Autonomic motor pathways consist of ________ motor neurons.
 ______________________________
o Has cell body in CNS
 ______________________________
o Lies entirely in PNS
Autonomic also has two main branches:
 ___________________________________________
 ___________________________________________
Define dual innervation: ___________________________________________________________
_______________________________________________________________________________
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COMPARISON OF SOMATIC AND AUTONOMIC MOTOR NEURON PATHWAYS TO THEIR EFFECTOR
TISSUES.
Neurotransmitters: ACh is acetylcholine
NE is norepinephrine
II. STRUCTURE OF THE AUTONOMIC NERVOUS SYSTEM
OBJ: Identify the structural features of the autonomic nervous system.
Preganglionic neurons, ganglia, and postganglionic neurons and how they relate to the activities
of the ANS.
READ THROUGH THIS SECTION, PAGES 302-307; EXAMINE THE DIAGRAMS. TAKE NOTES IN THE
SPACES PROVIDED, QUESTIONS ON THIS WILL BE MINIMAL ON THE TEST.
A. Organization of the Sympathetic Division
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B. Organization of the Parasympathetic Division
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III. FUNCTIONS OF THE AUTONOMIC NERVOUS SYSTEM; pages 307-310
OBJ: Describe the functions of the sympathetic and parasympathetic divisions of the autonomic
nervous system.
A. ANS Neurotransmitters
Check the appropriate neurotransmitters in the chart below:
Neurotransmitter
Sympathetic preganglionic neurons
Parasympathetic preganglionic neurons
Sympathetic postganglionic neurons
Parasympathetic postganglionic neurons
Acetylcholine
Norepinephrine
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B. Activities of the ANS
1. Sympathetic Activities—“Fight or Flight”
List the “E” situations that could bring on stress:
_______________________
_______________________
_______________________
_______________________
List examples of “Fight or Flight” responses:
 ____________________________________________________________________
 ____________________________________________________________________
 ____________________________________________________________________
 ____________________________________________________________________
____________________________________________________________________
 ____________________________________________________________________
____________________________________________________________________
 ____________________________________________________________________
____________________________________________________________________
 ____________________________________________________________________
 ____________________________________________________________________
____________________________________________________________________
2. Parasympathetic Activities—“Rest and Digest”
What are the functions of the parasympathetic responses of the body?
___________________________________________________________________________
What does SLUDD stand for?
___________________________________________________________________________
What type of responses are the five things listed above? _____________________________
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CHAPTER 12: SOMATIC SENSES AND SPECIAL SENSES
I. OVERVIEW OF SENSATIONS
OBJ: Define a sensation and describe the conditions needed for a sensation to occur.
A. Definition of a Sensation
What four conditions must be satisfied in order to be able to experience a sensation?
(1) ______________________________________________________________________________
(2) ______________________________________________________________________________
______________________________________________________________________________
(3) ______________________________________________________________________________
(4) ______________________________________________________________________________
B. Characteristics of Sensations
Explain how we have perceptions.
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What is the relationship between perception and adaptation?
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C. Types of Sensory Receptors
Look over Table 12.1 on page 315, you will be using this information soon in lab…
Label the following sensory receptors in the skin and subcutaneous layer pictured below:
a. Meissner corpuscles (Corpuscles of touch)
e. Hair Root Plexuses
b. Pacinian corpuscles (Lamellated corpuscles)
f. Nociceptors
c. Ruffini corpuscles (Type II cutaneous mechanoreceptors)
d. Merkel Disks (Type I cutaneous mechanoreceptors)
II. SOMATIC SENSES
OBJ: Describe the location and function of the receptors for tactile, thermal, and pain sensations.
Identify the receptors for proprioception and describe their functions.
A. Tactile Sensations (Mechanoreceptors)
Which sensations are tactile?
______________________________________________________________________________
What are they detected by? ____________________________________
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1. Touch
Two types of rapidly adapting touch receptors:
 ______________________________________
 ______________________________________
Two types of slowly adapting touch receptors:
 ______________________________________
 ______________________________________
2. Pressure
How is pressure different from touch?
___________________________________________________________________________
Pressure receptors: ___________________________________________________________
3. Vibration
What types of receptors detect lower frequency vibrations? __________________________
Higher frequency vibrations? ____________________________
4. Itch and tickle
How are itch sensations stimulated?
___________________________________________________________________________
What type of receptors sense itch and tickle? ______________________________________
Can you tickle yourself? _______ Why or why not?
___________________________________________________________________________
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B. Thermal Sensations (Thermoreceptors)
What type of receptors are thermoreceptors? ____________________________________
What are the two distinct types of thermal sensations? _________________________________
Temperatures between 10 and 40C (50-105F) activate __________ _________________;
located in the ___________________.
Temperatures between 32 and 48C (90- 118F) activate __________ _________________;
located in the ___________________.
Below 10C and above 48C stimulate what type of receptors? _________________________
These receptors produce what type of sensations? _____________________
C. Painful Sensations (Nociceptors)
What type of receptors are nociceptors? ____________________________________
Where are nociceptors found?
______________________________________________________________________________
List five different stimuli that can cause pain
 ________________________________________________________________________
 ________________________________________________________________________
 ________________________________________________________________________
 ________________________________________________________________________
 ________________________________________________________________________
Describe what is meant by referred pain.
______________________________________________________________________________
Describe what is meant by fast pain.
______________________________________________________________________________
Describe what is meant by slow pain.
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D. Proprioceptive Sensations (Proprioceptors)
Inform you consciously and unconsciously of
______________________________________________________________________________
______________________________________________________________________________
Receptors for these sensations are called: _________________________________ and they are
located in _____________________, ______________________,_________________________,
and _____________________.
They adapt slowly and only slightly
What is kinesthesia?
______________________________________________________________________________
III. SPECIAL SENSES
Allow us to detect things in our environment…
IV. OLFACTION: SENSE OF SMELL (Chemoreceptors)
OBJ: Describe the receptors for olfaction.
CHARACTERISTICS OF RECEPTORS:
 _____________________________________________________________
 _____________________________________________________________
 _____________________________________________________________
 _____________________________________________________________
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V. GUSTATION: SENSE OF TASTE (Chemoreceptors)
OBJ: Describe the receptors for gustation.
CHARACTERISTICS OF RECEPTORS:
 _____________________________________________________________
 _____________________________________________________________
 _____________________________________________________________
Let’s try something, everyone get a piece of gum. Unwrap the gum, hold your nostrils closed,
place the piece of gum in your mouth and chew, and then let go of your nostrils).
What Happened?
______________________________________________________________________________
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VI. VISION (Photoreceptors)
OBJ: Describe the receptors for vision.
Identify the structures of photoreception and how they work.
__________________________________________________________________________________
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VII. HEARING AND EQUILIBRIUM (Mechanoreceptors)
OBJ: Describe the receptors for hearing and equilibrium.
The ear has three principle regions: the outer ear, the middle ear, and the inner ear.
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Physiology of Hearing
Describe events 1-8 pictured below involved in simulations of hair cells by sound waves.
(1) ______________________________________________________________________________
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(2) ______________________________________________________________________________
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(3) ______________________________________________________________________________
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(4) ______________________________________________________________________________
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(5) ______________________________________________________________________________
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(6) ______________________________________________________________________________
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(7) ______________________________________________________________________________
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(8) ______________________________________________________________________________
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Physiology of Equilibrium
Describe static equilibrium and its function.
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Describe dynamic equilibrium and its function.
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