FINAL EXAM Flashcards
Which pain impulse is carrying the pain impulse to Sarah’s cortex?
Spinothalamic (anterolateral) pathway
Which type of cell is the pain receptor in Sarah’s toe?
Free nerve ending
Which part of the autonomic system contributed to Sarah’s feelings of anger?
Sympathetic nervous system (SNS)
Why does Sarah’s anger feel quick and intense but takes longer to calm down?
SNS are more diffuse than PNS
Why did Sarah feel the sharp pain before the dull ache?
because sharp pain travels on myelinated A fibers
What is the name of the reflex that Sarah experienced when her leg bent in response to stubbing her toe?
flexor (withdrawal) reflex
What would Sarah’s right leg do automatically when she bent her leg and lifted it off the floor?
extend & engage to keep her from falling
The part of the sensory pathway that carries the pain impulse from Sarah’s toe to the nervous system is also known as…
first order neuron
T/F - the tract that carries information to Sarah’s brain would cross in the spinal cord
TRUE
the last myotome Tommy can move is C4, this means he can _____ but can’t _____ them
Shrug his shoulder
Can’t abduct them
T/F - Tommy would have feelings in his face but nothing else
FALSE
What is the outermost protective layer of Tommy’s spinal cord?
Dura layer
Tommy’s injury would be considered an _____ injury
upper motor neuron (maybe lower?? idk)
Which of these tracts is in Tommy’s posterior spinal cord?
dorsal columns medial lemniscus
CSF comes from the _____
ventricles
Tommy drives his power wheelchair using a _____ system. The nerve that allows him to use his facial MM for this is _____
“Sip and puff” system
facial nerve (VII)
When Jill feels the heat of the light, what process does the sensation go through before it reaches the brain?
Stimulation → Transduction → Generation → Integration
When Jill is standing at the podium, which sensory receptors are providing information about her body position, mm length, tension, position and motion of joint and equilibrium?
proprioceptors
Jills thermoreceptors are sensitive to…
cold and warm temperatures
Why does Jill feel her shoulders are sore after her run?
referred visceral pain
If the spotlights got above 40ºc which receptors would kick in?
nociceptors
Which part of Jill’s brain is most likely contributing to her emotions?
limbic
Where in Jill’s brain does the sensory information about the hot lights and pain end up?
Primary somatosensory cortex in the parietal lobe
When Jill twisted her ankle, which of these receptors were stimulated?
Golgi tendon organs, MM spindles