Your brain is not constantly bombarded with signals telling it that you are wearing socks. This is because the touch receptors around your ankle are
A) tonic receptors.
B) tonic receptors and slow-adapting.
C) phasic receptors and slow-adapting.
D) phasic receptors and fast-adapting.
E) nociceptors.
D
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Projection tracts
A. extend between the right and left cerebral hemispheres. B. link the cerebral cortex to the caudal brain regions and the spinal cord. C. connect different regions within a lobe. D. connect different regions of the cerebral cortex within the same hemisphere. E. connect a region of one lobe with another lobe in the same hemisphere.
A stroke is a
a. cerebrovascular accident b. glucose deficiency c. loss of the myelin sheath d. neurotransmitter deficiency e. uncontrolled firing of neurons
How would a hemorrhage immediately affect the activity of the baroreceptors?
A. The baroreceptors would increase their rate of firing to all medullary cardiovascular center cell types. B. The baroreceptors would increase their rate of firing to cells in the medulla oblongata that activate sympathetic pathways and decrease their rate of firing to cells in the medulla oblongata that activate parasympathetic pathways. C. The baroreceptors would decrease their rate of firing to all medullary cardiovascular center cell types. D. The baroreceptors would decrease their rate of firing to cells in the medulla oblongata that activate sympathetic pathways and increase their rate of firing to cells in the medulla oblongata that activate parasympathetic pathways. E. A hemorrhage would not affect the activity of the baroreceptors.
Spinal nerves are grouped and named according to function.
Answer the following statement true (T) or false (F)