Page 1 of 50
PHYL 1001 FINAL EXAM NEWEST 2026 ACTUAL
EXAM QUESTIONS AND CORRECT DETAILED
ANSWERS (VERIFIED ANSWERS) ALL
ANSWERED {275 Q & A} ALREADY GRADED A+ |
BRAND NEW! | 100% GUARANTEED PASS
What type of synapse is used during lateral inhibition? - ✔✔✔
Correct Answer > Axo-Axonic
Who are mechanical vibrations initiated by the ossicles
translated into fluid waves? - ✔✔✔ Correct Answer > VIbration of the
oval window create fluid waves in the vestibular duct which
propagate towards the helicotrema and may return via tympanic
duct. Waves transfer energy across the cochlear duct. Waves
return to round window where they dissipare in middle ear
What three senses are perceived on the skin? - ✔✔✔ Correct Answer >
Temperature, nociception (pain, itch) and touch (temperature and
vibration)
What sense is perceived in the muscles and joints? - ✔✔✔ Correct
Answer > Proprioception (limb position, stretch, movement and
tension)
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Explain how the somatosensory cortex differentiates signals? -
✔✔✔ Correct Answer > The somatosensory cortex has specific spaces
devoted to individual body parts ( more sensitive parts take up
more space). Receptors locations/types correspond to signal
delivery in the cortex.
Define ipsilateral - ✔✔✔ Correct Answer > same side
Define contralateral - ✔✔✔ Correct Answer > opposite side
Define decussation - ✔✔✔ Correct Answer > Crossing of the nerve
fibers from one side to the other
Describe the location of the three sensory neurons in the touch
pathway on the left side of the body (dorsal-lateral pathway). -
✔✔✔ Correct Answer > 1. The primary neuron enters the dorsal horn
on the left and travels up to the medulla on the left side
2. Primary and secondary neurons synapse in the medulla
3. Secondary neuron crosses over to right side at medulla
4. Secondary and tertiary neurons synapse in the thalamus on
the right side and continue to the somatosensory cortex
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Describe the location of the three sensory neurons in the pain
pathway on the left side of the body (spinothalamic tract). - ✔✔✔
Correct Answer > 1. Primary neuron enters the dorsal horn on the left
side and synapses with the secondary neuron
2. The secondary neuron crosses over to the right side of the
dorsal column and travels up the right side of the body, through
the medulla and to the thalamus
3. the secondary and tertiary neurons synapse in the thalamus
and continues to the the right somatosensory cortex
What is the goal of the primary sensory neuron? - ✔✔✔ Correct
Answer > Bring impulse into CNS
What neuron always crosses to contralateral size? - ✔✔✔ Correct
Answer > The secondary neuron
Where does the secondary and tertiary neurons always synapse?
- ✔✔✔ Correct Answer > In the thalamus
What sensation does the medial-lemniscus pathway respond to?
- ✔✔✔ Correct Answer > Touch, vibration, proprioception (perception of
space, and limb position)
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What sensation does the spinothalamic pathway respond to? -
✔✔✔ Correct Answer > Temperature and nocioreceptors (pain)
What are the difference between A-beta, A-delta and C primary
sensory neurons? - ✔✔✔ Correct Answer > A-beta: Large diameter,
myelinated and fast
A-delta: small diameter, myelinated, medium speed
C: small diameter, unmyelinated and slow
What type of receptors have A-beta primary neurons? - ✔✔✔
Correct Answer > ONLY mechanoreceptors
What type of receptors have A-delta primary neurons? - ✔✔✔
Correct Answer > mechanoreceptors, cold thermoreceptors and
nociceptors
What type of receptors have C primary neurons? - ✔✔✔ Correct
Answer > All. Mechanoreceptors, cold and hot thermoreceptors and
nociceptors
What are the two different classes of skin receptors? - ✔✔✔ Correct
Answer > 1. Free nerve endings
2. encapsulated endings
PHYL 1001 FINAL EXAM NEWEST 2026 ACTUAL
EXAM QUESTIONS AND CORRECT DETAILED
ANSWERS (VERIFIED ANSWERS) ALL
ANSWERED {275 Q & A} ALREADY GRADED A+ |
BRAND NEW! | 100% GUARANTEED PASS
What type of synapse is used during lateral inhibition? - ✔✔✔
Correct Answer > Axo-Axonic
Who are mechanical vibrations initiated by the ossicles
translated into fluid waves? - ✔✔✔ Correct Answer > VIbration of the
oval window create fluid waves in the vestibular duct which
propagate towards the helicotrema and may return via tympanic
duct. Waves transfer energy across the cochlear duct. Waves
return to round window where they dissipare in middle ear
What three senses are perceived on the skin? - ✔✔✔ Correct Answer >
Temperature, nociception (pain, itch) and touch (temperature and
vibration)
What sense is perceived in the muscles and joints? - ✔✔✔ Correct
Answer > Proprioception (limb position, stretch, movement and
tension)
,Page 2 of 50
Explain how the somatosensory cortex differentiates signals? -
✔✔✔ Correct Answer > The somatosensory cortex has specific spaces
devoted to individual body parts ( more sensitive parts take up
more space). Receptors locations/types correspond to signal
delivery in the cortex.
Define ipsilateral - ✔✔✔ Correct Answer > same side
Define contralateral - ✔✔✔ Correct Answer > opposite side
Define decussation - ✔✔✔ Correct Answer > Crossing of the nerve
fibers from one side to the other
Describe the location of the three sensory neurons in the touch
pathway on the left side of the body (dorsal-lateral pathway). -
✔✔✔ Correct Answer > 1. The primary neuron enters the dorsal horn
on the left and travels up to the medulla on the left side
2. Primary and secondary neurons synapse in the medulla
3. Secondary neuron crosses over to right side at medulla
4. Secondary and tertiary neurons synapse in the thalamus on
the right side and continue to the somatosensory cortex
,Page 3 of 50
Describe the location of the three sensory neurons in the pain
pathway on the left side of the body (spinothalamic tract). - ✔✔✔
Correct Answer > 1. Primary neuron enters the dorsal horn on the left
side and synapses with the secondary neuron
2. The secondary neuron crosses over to the right side of the
dorsal column and travels up the right side of the body, through
the medulla and to the thalamus
3. the secondary and tertiary neurons synapse in the thalamus
and continues to the the right somatosensory cortex
What is the goal of the primary sensory neuron? - ✔✔✔ Correct
Answer > Bring impulse into CNS
What neuron always crosses to contralateral size? - ✔✔✔ Correct
Answer > The secondary neuron
Where does the secondary and tertiary neurons always synapse?
- ✔✔✔ Correct Answer > In the thalamus
What sensation does the medial-lemniscus pathway respond to?
- ✔✔✔ Correct Answer > Touch, vibration, proprioception (perception of
space, and limb position)
, Page 4 of 50
What sensation does the spinothalamic pathway respond to? -
✔✔✔ Correct Answer > Temperature and nocioreceptors (pain)
What are the difference between A-beta, A-delta and C primary
sensory neurons? - ✔✔✔ Correct Answer > A-beta: Large diameter,
myelinated and fast
A-delta: small diameter, myelinated, medium speed
C: small diameter, unmyelinated and slow
What type of receptors have A-beta primary neurons? - ✔✔✔
Correct Answer > ONLY mechanoreceptors
What type of receptors have A-delta primary neurons? - ✔✔✔
Correct Answer > mechanoreceptors, cold thermoreceptors and
nociceptors
What type of receptors have C primary neurons? - ✔✔✔ Correct
Answer > All. Mechanoreceptors, cold and hot thermoreceptors and
nociceptors
What are the two different classes of skin receptors? - ✔✔✔ Correct
Answer > 1. Free nerve endings
2. encapsulated endings
