c. Afferent neurons 10. The motor part of the ANS consists of two branches which

Question

c. Afferent neurons 10. The motor part of the ANS consists of two branches which usually have opposing ac can increase heart rate? a. the sympathetic division b. the parasympathetic division 11. Once initiated a graded potential will end where? a. Synaptic knob b. Cell body c Axon hillock 12. Which type of neurons are used to convey the special senses of sight? a. Multipolar neurons b. Bipolar neurons c. Unipolar neurons 13. Which of these stimulates Ca+ channels to open? a. API b. AP2 1 Whete does the stimulus occur in order to initiate an a. Cell body b. Dendrites cAxon hillock sc of tise rprsents repolarization? Na+ influx K+inlax K+ efflux Depvlatization will make the cell more . on the inside. n two neurons or between a neuron and another effector cell is called a speed of whi

Explanation / Answer

10. a) The sympathetic division releases catecholamines to increase the heart rate.

11. c) It will end in axon hillock to generate action pitential.

12. b) Bipolar neurons convey sense of sight and neurons have two extensionsaxon and dendrites.

13. AP1 stimulates calcium channel to open.

14. c) When a stimulus reaches the threshold at the axon hillock then AP is generated.

15. c) Repolarization denotes outflow of the K+ ions from cell.

16. c) Depolarization changes membrane potential to a positive value.

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