c11-14 Quiz #1
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An action potential
1. What letter identifies an area where the Na+ gates are open and Na+ is rushing in? *
1 point
2. Which letter identifies the resting potential of the neuron? *
1 point
3. Which letter identifies the change in charge necessary to open the voltage-gated ion channels of the axon hillock? *
1 point
4. Which neuron is typically involved in the special senses of sight and smell? *
1 point
5. Which neuron would activate a muscle? *
1 point
6. Which neuron is found in the dorsal root ganglion of a sensory nerve? *
1 point
7. Neurotransmitters are contained within? *
1 point
8. Voltage-gated ion channels are closest to what letter? *
1 point
9. Ligand-gated (chemical-gated) ion channels are closest to what letter? *
1 point
10. The synaptic cleft is closest to what letter? *
1 point
Organization of the Nervous System
11. The central nervous system is identified by what number? *
1 point
12. The ANS is identified by what number? *
1 point
13. The involuntary division of the efferent pathway is identified by what number? *
1 point
14.Which number is identifying the afferent pathway? *
1 point
15. Skeletal muscles are controlled by which numbered item? *
1 point
16. The metabolically active part of the neuron is identified by which number? *
1 point
17. The Schwann cell is identified by which number? *
1 point
18. Protein synthesis takes place within which numbered item? *
1 point
19. These gaps speed up the nerve impulse. *
1 point
20. Voltage-gated ion channels that open in response to the threshold potential are identified by which number? *
1 point
21. Which neuroglia cells help circulate cerebral spinal fluid? *
1 point
22. Bacteria in the blood can be prevented entry to the fluids surrounding the brain. Which cells are most responsible for preventing bacteria from entering the fluids of the brain? *
1 point
23. Meningitis can be caused by infection of the central nervous system by bacteria. Which cells would be most responsible for removing the infection? *
1 point
24. Which neuroglia cell's job is similar to that of a Schwann cell? *
1 point
25. Which cell is the basic cellular unit of the nervous system? *
1 point
26. Which cell is phagocytic? *
1 point
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