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Lab Exam

Multiple Choice. Pick the answer that best completes the question.



1)

What is true of a mixed nerve?

 
 
 
 

2)

Groups of fibers are bounded into fascicles by a connective tissue called ___.

 
 
 

3)

The formation of myelin in the peripheral nervous system is accomplished by these cells.

 
 
 
 

4)

The __ forms synapses or junctions with other neurons of effector cells

 
 
 
 

5)

The part of the neuron generates and conducts action potentials.

 
 
 

6)

The neurotransmitter released from the axon terminal __.

 
 
 
 

7)

Net movement of this ion is primarily associated with repolarization

 
 
 

8)

Which nerve innervates the gastrocnemius muscle of the frog?

 
 
 
 

9)

The thalamus and the hypothalamus are structures found in the __.

 
 
 
 

10)

White mater of the CNS consists of ___.

 
 
 
 

11)

What is true about cranial nerve III, IV, and VI?

 
 
 
 

12)

The surface of the cerebral hemispheres consists of ridges and grooves, the shallow grooves are called ___.

 
 
 

13)

Which of the cranial nerves below is purely sensory?

 
 
 
 

14)

The part of the peripheral nervous system controls smooth muscles, cardiac muscles and glands.

 
 
 
 

15)

What 3 meninges cover the brain and spinal cord, inter most is?

 
 
 

16)

The corpus callosum ___.

 
 
 
 

17)

Ventral roots of spinal nerves are purely or primarily ___.

 
 
 

18)

The postganglionic axons of sympathetic neurons are ___.

 
 
 
 

19)

The gaps in the sheath that insulates axons are called ___.

 
 
 
 

20)

In which lobe of the brain is the primary visual cortex located?

 
 
 
 

21)

What functional type of neuron is found in the dorsal root ganglion?

 
 
 

22)

The falx cerebra and tentorium cerebra are formed by this connective tissue membrane

 
 
 

23)

In comparing sheep brains and human brains, one notes that in humans ___.

 
 
 
 

24)

The olfactory bulbs of the sheep ___.

 
 
 
 

25)

This diencephalic structure is involved in many functions including temperature regulation, water balance fat and carb metabolism

 
 
 
 

26)

The central sulcus of each cerebral hemisphere separates the __.

 
 
 
 

27)

Somatosensory functions are carried out in their part of the spinal cord

 
 
 
 

28)

This nerve arising from the cervical plexus is essential for normal breathing.

 
 
 
 

29)

This part of the peripheral nervous system controls smooth muscles, cardiac muscle and glands

 
 
 
 

30)

Which of the following nerves branches from brachial plexus

 
 
 
 

31)

Which part of sheep brain is somewhat larger than the human homologue?

 
 
 
 

32)

The sciatic nerve is a

 
 
 

33)

Where would you find the choroid plexus

 
 
 
 

34)

Which of the cranial nerve below is purely sensory?

 
 
 
 

35)

This nerve arising from cervical plexus is essential for normal breathing?

 
 
 
 

36)

An impulse from one nerve cell is communicated to another nerve cell via the ___.

 
 
 
 

37)

An inhibitory postsynaptic potential (IPSP) is associated with ___.

 
 
 
 

38)

Collections of nerve cell bodies outside the CNS are called ___.

 
 
 
 

39)

Multipolar neurons are commonly ___.

 
 
 
 

40)

The term CNS refers to the ___.

 
 
 
 

41)

Which is an excitatory neurotransmitter secreted by motor neurons inverting skeletal muscles?

 
 
 
 

42)

The primary auditory cortex is located in the ___.

 
 
 
 

43)

Which of the following structures is probably not directly involved in memory?

 
 
 
 

44)

The vital centers for the control of heart rate, respiration and blood pressure are located in the ___.

 
 
 
 

45)

The arbor vitae refers to __.

 
 
 
 

46)

The cranial nerve that forms a chiasma crossing over before it enters the mesencephalon is the ___.

 
 
 
 

47)

Nerves that carry impulses toward the CNS only are ___.

 
 
 
 

48)

Which of the following generalizations DOES NOT describe the cerebral cortex?

 
 
 
 

49)

White mater is found in all of the following locations EXCEPT:

 
 
 
 

50)

Which of the following would you not find in normal cerebrospinal fluid?

 
 
 


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