BIOL 223 Chapter 15-2
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Where in the body will you find nocireceptors?
everywhere except the brain
List the three types of stimuli that can activate a pain receptor.
- mechanical damage
- dissolved chemicals
- temperature extremes
Which type of pain travels over type A neurons?
fast pain - prickling, lacerations, injections
Which type of pain travels over type C neurons?
slow pain - burning or aching pain
Pain that is felt somewhere other than where tissue damage is located is called:
Where would you find proprioceptors?
What is kinesthesia?
the perception of body movements
Where will the information from proprioceptors be sent?
to the cerebellum
True or False: Proprioceptors perform weight discrimination.
Which type of proprioceptor is commonly found in parts of the body that perform delicate movements?
List the two functions of muscle spindles discussed in class.
- monitor changes in muscle length
- trigger the stretch reflex
List the two functions of tendon organs discussed in class.
- detect stress or strain on the tendon
- trigger the tendon reflex
Which type of proprioceptor monitors joint pressure?
joint kinesthetic receptor
Where are thermoreceptors located?
What temperatures are warm receptors sensitive to?
What temperatures are cold receptors sensitive to?
Which type of temperature receptors travel on slow, or type C, neurons?
Temperatures outside the range of temperature receptors activate:
Stretch receptors found in hollow organs are known as:
What is measured by osmoreceptors?
the concentration of solutes
What activities will osmoreceptors control?
- urinary systems
- thirst centers
Most body fluids have an osmolarity of:
Chemoreceptors are sensitive to:
dissolved chemicals in body fluid
O2, pH, and CO2 concentrations are monitored by:
Which special sense do chemoreceptors play a role in?
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