Where are the neurons for the autonomic nervous system located?
A. Corpus callosum
B. Spinal cord and brain stem
C. Cerebral cortex
D. Inside neurotransmitters
Answer: B
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Substances that enter the cell usually do so through the
A) integral proteins. B) glycocalyx. C) peripheral proteins. D) glycolipids. E) cholesterol.
A cartilaginous joint that does permits movement is (a)
A) synostosis. B) synovial joint. C) symphysis. D) synchondrosis. E) None of the answers are correct.
The function of synovial fluid is to reduce friction in synovial joints. Friction can be further reduced by which of the following?
A) articular capsule B) epiphyseal plate C) periosteum D) articular cartilages
Enkephalins produce presynaptic inhibition in neurons transmitting pain signals. Increased levels of enkephalins will
A. increase awareness of pain. B. decrease awareness of pain. C. increase amount of pain. D. decrease amount of pain. E. have no effect on awareness or amount of pain.