14. Based on the general characteristics of neurons the responsiveness to stimul

Question

14. Based on the general characteristics of neurons the responsiveness to stimulation is called a. excitability propagation b. conductivity ?. 15. All of the following are characteristics of most neurons except: a. extreme longevity metabolic rate b. miototic d. conduct nerve impulses c. high includes nerves that are bundles of 16. The neuron processes and ganglia that are clusters of neuron cells bodies. a. CNS b. PNS c. ANS d. SNS 17. Which neurons have only cell body and dendrites? a. Multipolar b. Bipolar c. Unipolar d. Anaxonic 18. Which neuron is the most common type with a single axon and multiple dendrites? a. Multipolar b. Bipolar c. Unipolar d. Anaxonic 19. This cell helps form the blood brain barrier and assist with neuronal development. a. oligodendrocyte astrocyte b. ependymal d. satellite e. microglial 20. Which cell defends against infectious agents and engulfs debris or dying neurons? a. oligodendrocyte astrocyte b. ependymal d. satellite e. microglial 21. This cell myelinates and insulates CNS axons allowing faster action potential action a. oligodendrocyte astrocyte b. ependymal d. satellite e. microglial

Explanation / Answer

Ans

14) a

Neuron responsiveness to stimulation is called excitability.

15) b

Neurons are. Amitotic.

16) b

PNS includes nerves that are bundles of neuron processes and ganglia that are clusters of neuron cell bodies .

17) d

Anaxomic neuron have only cell body and dendrites.

18) a

Multipolar neurons aee most common type.

19) c

Astrocyte from blood brain barrier.

20) e

Microglial cell engulf debris or dying neurons.

21) a

Oligodendrocyte myelinates CNS.

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