Sympathetic and Parasympathetic Nervous Systems

What is the gustatory pathway order?

Medulla oblongata, thalamus, parietal lobe, amygdala, frontal

What are the nerves (from POSTERIOR to ANTERIOR) on the tongue?

Vagus Glossopharyngeal, facial

Gustation def

sense of taste

Taste buds are ____ who sense:

receptors, sweet salty sour bitter umami

Vallate papillae is a section of the tongue where each holds ____ taste buds

100

Fungiform papillae is a section of the tongue where each holds _____ taste buds

10

The foliate papillae on the tongue detect what?

light touch, texture, temp

Odorants are molecules that

must be dissolved in mucus and stimulate chemoreceptors

Olfaction def

sense of smell

Chemoreceptors respond to

pH, odorants and tastants

Which two senses involve chemoreceptors

taste and smell

What is the olfactory pathway

olfactory bulb, olfactory nerve, amygdala, temporal lobe and frontal lobe

What parts of the brain bring taste and smell together

amygdala and frontal

The parasympathetic nervous system is the ___ and ____ system

rest digest

Main effect of PS on pupils?

pupil constriction

Main effect of PS on lacrimal and salivary glands

increase secretion

Main effect of PS on heart

lowers blood pressure, lowers heart rate

Main effect of PS on respiratory system

decrease respiratory rate

Main effect of PS on liver and digestive system

increase glycogen production, increase activity

Main effect of PS on rectum

decreases muscle tone

Main effect of PS on urinary system

increase activity

The Sympathetic nervous system is the ___ or ___ system

fight flight

Main effect of SS on pupils

pupil dialation

Main effect of SS on lacrimal and salivary glands

decrease tear and saliva secretion

Main effect of SS on heart

increase heart rate, increase blood pressure

Main effect of SS on respiratory system

increase breathing rate

Main effect of SS on skin

increase sweating, vasodialation

Main effect of SS on muscles

tense muscles (increase muscle tone)

Main effect of SS on liver and digestive system

decrease blood glucose levels, decreases activity

Main effect of SS on rectum

increase in muscle tone

Main effect of SS on urinary system

decreases activity

The Sympathetic chain ganglia originate from

lateral grey horn

The sympathetic chain ganglia (location)

run down spinal cord

Sympathetic chain ganglia are important for

mass activation

Parasympathetic nervous system is regulated by a ____ ___, NO SYMPATHETIC CHAIN GANGLIA

direct chain

Sympathetic chain ganglia (function)

allows for mass regulation/activation of organs in unison

Acetylcholine is a ______ and can be (e/i):

neurotransmitter, either excitatory, inhibitory

Norepinephrine is a ______ and can be (e/i):

neurotransmitter, excitatory only

Acetylcholine is ______ to skeletal muscle

excitatory

Acetylcholine is ______ to cardiac muscle

inhibitory

The automatic nervous system consists of

sympathetic and parasympathetic systems

Receptive field

the amount of space that a neuron needs to detect a stimulus

Is a smaller receptive field more or less sensitive?

more sensitive

Where do you have the smallest receptive fields

fingertips

Where do you have the largest receptive fields

elbows, back

Phantom pain (def)

pain felt after amputation

Referred pain (def)

pain felt on one part of the body that isn’t damaged

What’s an example of referred pain

feeling pain in shoulder when having a heartattack

Mechanoreceptor detects ____ and _____ and is made up of

pressure, stretch, lamellated and tactile corpsucles

Lamellated corpuscles detect

pressure

Tactile corpsucles detect

light touch

Thermoreceptors detect

change in temperature

chemoreceptors detect

pH and molecules like odorants and tastants

Photoreceptors detect

light

Nocireceptors detect

pain

Proprioreceptors detect

change in position/stretch

Proprioreceptors are located in _____/____ and are a type of?

muscle/joint, mechanoreceptor