Pain And Temperature Sensation
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Sensory Systems pg. 78-84
- 1.Nociceptors (pain receptors) include what type of nerves?
- A.
Group I
- B.
Group II
- C.
Group III
- D.
Group IV
- E.
More than one of the above
- 2.The fact that different thermoreceptors have overlapping receptive fields allows us to respond to a range of temps
- A.
True
- B.
False
- 3.Thresholds are ____ for touch and temperature and ____ for pain.
- A.
High; low
- B.
High; high
- C.
Low; high
- D.
Low; low
- 4.When there is damage to cells, the cells will release lots of ___ which will then stimulat the nociceptors.
- A.
Na
- B.
K
- C.
Cl
- D.
H
- 5.Describe why things are more painful during sleep.
- 6.Pain, temperature and touch information synapses in the ______ horn of the spinal cord in either the _________ or __________
- A.
Ventral horn; substantia gelationsa; nucleus proprius
- B.
Dorsal horn; substantia gelationsa; nucleus proprius
- C.
Ventral horn; gracile fasculus; cuneate fasciculus
- D.
Dorsal horn; substantia gelationsa; nucleus proprius
- 7.Central connections (body) for pain and temp is sent through the _________ tract to the ____ of the thalamus.
- A.
Spinothalamic ; VPM
- B.
Trigeminothalamic; VPM
- C.
Spinothalamic; VPL
- D.
Trigeminothalamic; VPL
- 8.Central connections (for the head) synapse first in the spinal cord
- A.
True
- B.
False
- 9.The trigeminothalamic tract synapses inthe ___ of the thalamus
- A.
VPL
- B.
VPM
- C.
Post central gyrus
- D.
Reticular formation
- 10.The trigeminothalamic tract sends info to the:
- A.
Hypothalamus
- B.
Brodmann area 3,1,2
- C.
Reticular formation
- D.
All of the above
- E.
2 of the above
- 11.The homonculus motor cortex is on the ___________ and the homonculus sensory cortex is on the _____________
- A.
Post central gyrus; pre central gyrus
- B.
Pre central gyrus; post central gyrus
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