Bios 231 Final Exam Solution

BIOS 231 Final Exam Solution

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BIOS 231 Final Exam Solution

1) ATP is converted into cAMP by which enzyme?

2) According to Ohms law, if the voltage increases, the current decreases.

3) Afferent fibers are fibers that transmit impulses from the receptors to the CNS.

4) These cells cushion the brain

5) Exocytosis is the process in which

6) Threshold of a neuron is reached at how many millivolts?

7) Glands are innervated by the somatic motor system.

8) Saltatory conduction also occurs in post-synaptic fibers.

9) Typically, what is the charge of a neuron at rest?

10) The autonomic nervous system is responsible for maintaining the constancy of the body’s internal environment (homeostasis).

11) These cells form the myelin sheath in the CNS.

12) “J” REPRESENTS THE _____________

13) The sympathetic division conserves energy and promotes nonemergency functions.

14) ______ and ______ causes depolarization of the post synaptic membrane. (neurotransmitter and ion) (check all that apply)

15) Most multipolar neurons are ____________

16) Post ganglionic fibers of the autonomic system are non myelinated.

17) WHICH LETTER REPRESENTS THE AXON HILLOCK?

18) What happens during repolarization? (check all that apply)

19) The gaps between schwann cells are called _________

20) FORMS THE MYELIN SHEATH IN THE PNS

21) According to Ohms law, if voltage increases, resistance decreases.

22) Which type of post synaptic potential causes hyperpolarization.

23) Sympathetic neurons have long pre-ganglionic fibers and short post-ganglionic fibers.

24) The opening of Ca 2+ channels in the axon results in what?

25) Releasing acetylcholine tends to excite an organ

26) The white blood cells of the CNS

27) “C” REPRESENTS THE ___________

28) The greater the gradient of ions, the greater potential to do work

29) The cAMP...