12. Exc xocrine controlled by the smooth muscles in a, enteric nervous system b.
ID: 213376 • Letter: 1
Question
12. Exc xocrine controlled by the smooth muscles in a, enteric nervous system b. central nervous system nervous sys d. somatic motor division. 13. Neurotransmitters are released f rom the a. axon terminals b. synapse. c. collaterals. d. axon hillock. 14. The resting membrane potential results from uneven distribution of ions across the cell membrane only. differences in membrane permeability to Na+ and K+ only activity of the sodium/potassium pump only uneven distribution of ions across the cell membrane and differences in membrane permeability to Na+ and K+. a. b. c. d. 15. What type of ion channels in the membrane of neurons open or close in response to cha membrane potential (Vm)? a. ligand-gated channels b. voltage-gated channels c. mechanical stretch channels d. leak channels 16. What type of cells helps form the blood brain barrier? a. microglia b. oligodendrocytes c. astrocytes d. Schwann cells 17. When voltage-gated K+ channels of a resting neuron open, a. K+ enters the neuron and the neuron depolarizes. b. K+ leaves the neuron and the neuron depolarizes c. K+ enters the neuron. K+ leaves the neuron. the neuron depolarizes. d. e.Explanation / Answer
12)c) autonomic nervous system
13)a) axon terminal
14)d)
15)b) voltage gated channels
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