ANATOMY 301-2  EXAM IV  December 09, 2003

Multiple Choice.  Give the best answer.  Mark you choice on the answer sheet.

1. Which of the following is the correct sequence from outermost to innermost layers of the 
meninges:
A.	pia mater, dura mater, arachnoid mater
B.	pia mater, arachnoid mater, dura mater
C.	arachnoid mater, dura mater, pia mater
D.	dura mater, arachnoid mater, pia mater

2. Bundles of nerve fibers (axons and/or dendrites) inside the central nervous system are 
called:
A.	nuclei 
B.	nerves
C.	ganglia
D.	tracts

3. Axons normally carry information ____ the nerve cell body.  Dendrites carry information 
______ the nerve cell body.
a.	toward; toward
b.	away from; away from
c.	toward; away from 
d.	away from; toward
e.	first toward and then away; toward


4  Which one of the following cells is important in the myelination of CNS neurons?
A.	astrocytes
B.	oligodendrocytes
C.	microglia
D.	Schwann cells

5. The venous sinuses which collect blood from structures in the cranial cavity:
A.	drain into the general circulation via the internal jugular vein 
B.	lie in the subarachnoid space
C.	lie between two layers of arachnoid
D.	lie within the pia mater


6. The functions of the vestibulocochlear nerves concern:
A.	vision and hearing
B.	smell and taste
C.	hearing and balance
D.	digestive activity

7. (Ignore) Which of the following tracts conducts information for pain and temperature sensations?
A.	lateral corticospinal 
B.	dorsal spinocerebellar
C.	dorsal column
D.	lateral spinothalamic

 8. The primary sensory cortex is found in the:
A.	occipital lobe
B.	postcentral gyrus
C.	diencephalon
D.	precentral gyrus

 9. Which of the following types of cerebral white matter carries information from one side 
of the cerebrum to the other?
A.	projection fibers
B.	association fibers
C.	commissural fibers
D.	gray matter

10. What is the name of the principal connection between the cerebral hemispheres?
A.	pons
B.	intermediate mass
C.	corpus callosum
D.	cerebral peduncle

11. Which of the following is part of the diencephalon?
A.	hypothalamus
B.	cerebellum
C.	pituitary gland
D.	cerebral aqueduct



12. Which part of the brain is responsible for voluntary muscle activity?
A.	precentral gyrus
B.	occipital cortex
C.	postcentral gyrus
D.	vagus nerve


13. Cranial nerve _______ carries pain from teeth to the CNS:
A.	III
B.	V
C.	VII
D.	 IX

14. The largest part of the human brain is the:
A.	spinal cord
B.	cerebrum
C.	cerebellum
D.	medulla oblongata

15. The part of the cerebral cortex that plays an important role in vision is:
A.	temporal lobe
B.	frontal lobe
C.	parietal lobe
D.	occipital lobe

16. Which of the following is NOT a parasympathetic nerve?
A.	II
B.	III
C.	IX
D.	X

17. Which of the following is (are) in the midbrain?
A.	corpus callosum
B.	cerebral aqueduct
C.	olive
D.	hypothalamus



18. Which of the following is  involved in the control of skeletal muscle activity?
A.	lateral spinothalamic tract
B.	lateral corticospinal tract
C.	dorsal columns
D.	thalamus

19. Cranial nerves IX, X, XI, and XII emerge from the ventral surface of the 
A.  	diencephalon
B.         midbrain
C.         pons
D.	 medulla oblongata



20.  If  both (left and right) hypoglossal nerves of a person were damaged, that person  would 
be unable to
A.	cough
B.	feel his tongue
C.	taste
D.	move his tongue

21. Autonomic pathways usually consist of:
A	a single neuron
B.	two neurons
C.	three neurons
D.	an axon only

22. Receptors that provide information about the body's position and movement are the: 
A.	exteroceptors
B.	visceroceptors
C.	enteroceptors
D.	proprioceptors

23. The eye is an example of a:
A.	nociceptor
B.	simple receptor
C.	photoreceptor
D.	mechanoreceptor

24. The part of the autonomic nervous system that stimulates sweat glands is:
A.	sympathetic
B.	parasympathetic
C.	both
D.	neither 

25. The autonomic nerve of the abdomen is:
A.	V
B.	VII
C.	IX
D.	X

26. What structure regulates the amount of light passing to the visual receptors of the eye?
A.	aqueous humor
B.	cornea
C.	iris
D.	lens

27. What structure(s) connects the middle ear to the nasopharynx?
A.	eustachian tube
B.	external auditory canal
C.	mastoid air cells
D.	middle ear ossicles


28. Regeneration of nerve fibers occurs in the:
A.	CNS
B.	PNS
C.	Both CNS and PNS
D.	Neither CNS and PNS



29. Where is cerebrospinal fluid found?
A.	ventricles and subdural space
B.	orbit and subarachnoid space
C.	ventricles and subarachnoid space
D.	lymph and subarachnoid space
E.	ventricles and pial space


30. Which of the following is NOT TRUE about cerebrovascular accidents?
A.	They are the third leading cause of death in the United States.
B.	A blood clot or a ruptured blood vessel can block an area and vital brain tissue 
may die.
C.	They are commonly called strokes or CVAs.
D.	It is rarely possible to determine the area of brain damage by observing the 
patient's  symptoms.
E.	They occur when blood circulation to a brain area in blocked and vital brain 
tissue dies.




31. The cell bodies of sensory neurons whose fibers enter the cord by the dorsal root are 
found in the:
A.	ventral root ganglion
B.	ventral root
C.	dorsal root ganglion
D.	basal nuclei
E.	autonomic ganglia


32. Besides the accessory nerve (XI), which pair of cranial nerves extends beyond the head 
and neck?
A.	Trigeminal 
B.	Oculomotor 
C.	Facial  
D.	Vagus  
E.	Hypoglossal 


33. The motor portion of the ANS, sympathetic and parasympathetic, are characterized by a 
two-neuron chain.  The pre-ganglionic nerve cell body is found in the ____ and the post-
ganglionic nerve cell body is found _____.
A.	central nervous system; in ganglia in the PNS
B.	peripheral nervous system; in nuclei in the CNS
C.	cerebellum; in ganglia in the PNS
D.	spinal cord only;  in ganglia in the PNS
E.	cerebral cortex; in ganglia in the PNS


34. Which of the following plays an important role in regulating voluntary movements?
A.	mammillary bodies
B.	postcentral gyrus of the parietal lobe
C.	primary motor gyrus of the frontal lobe
D.	olive
E.	hypothalamus


35. The cerebellum aids in maintenance of:
A.	visual acuity
B.	speech
C.	emotional vision
D.	binocular vision
E.	balance and posture


36. The region of the brain that regulates heart rate is located in the:
A.	cerebrum
B.	medulla oblongata
C.	superior colliculi
D.	cerebellum
E.	pons


37. Damage to which cranial nerves may impair the sense of taste?
A.	facial
B.	glossopharyngeal
C.	hypoglossal
D.	A, B, and C above are correct
E.	Only A and B above are correct


38. The primary motor cortex is located in the:
A.	central gyrus
B.	postcentral gyrus
C.	central sulcus
D.	precentral gyrus


39. What is the term for a nerve that contains both afferent and efferent neurons?
A.	dual
B.	mixed
C.	motor
D.	sensory


40. Which cranial nerve innervates the inner ear?
A.	VIII
B.	X
C.	VII
D.	V


41. Which of the following is controlled by sympathetic innervation?
A.	emergency situations
B.	fight or flight situations
C.	digestion after a big meal
D.	A and B are correct


42. What is found between the two motor neurons on the autonomic nervous system?
A.	a ganglion 
B.	an effector
C.	a synapse
D.	both A and C


43. What are groups of nerve cell bodies in the CNS called?
A.	nerves
B.	central area
C.	ganglia
D.	tracts
E.	nuclei


44. (Ignore) Which of these is not found in the middle ear?
A.	incus
B.	cochlea
C.	stapes
D.	malleus


45. The rods and cones or photoreceptors in the eye are part of the
A.	cornea
B.	fovea centralis
C.	choroid layer
D.	retina


46. The white of the eye is the
A.	choroid
B.	ciliary body
C.	sclera
D.	cornea


47. The external auditory canal ends at the
A.	tympanic membrane
B.	oval window
C.	auditory tube
D.	round window

Question 48-52   Match the function with the appropriate part of the autonomic nervous system.  
Mark A, B, C, or D on your answer sheet. (Use one answer more than once)

48. increases heart rate		A. sympathetic

49. moves fingers			B. parasympathetic

50. changes pupil diameter		C. both

51. increases intestinal movements
					D. neither
52. causes dilation of bronchioles


Question 53 -57  Match the structure with the description.  Mark A, B, C, D, or E on the answer 
sheet.
Structure			        Description

53.tentorium cerebelli		A. a dural reflection between 
					occipital lobes and cerebellum

54. subarachnoid  space 	B. CSF is reabsorbed into
					the venous system here	

55. falx cerebri			

56. superior sagittal sinus	C. a modification of pia mater

57. filum terminale		D. site of lumbar puncture

				E. a reflection of dura mater 
					between cerebral hemispheres


For questions 58-61 match the structure with the appropriate part of the brain.  Mark A, B, C or 
D  on the answer sheet. 



Region			Blood Supply

58.	temporal lobe			A. anterior cerebral artery
		
59.	occipital lobe			B. middle cerebral artery

60.	pons				C. basilar artery

61.	medial portion of frontal lobe	D. posterior cerebral artery


For questions 62-65 match the description of the structure with the location in the CNS or PNS.   
 Mark A or B on the answer sheet.
   Structure			  Part of CNS or PNS

62. schwann cells 		A.	CNS

63. ganglia			B.	PNS

64. regeneration of axons

65. microglia

66. astrocytes


For questions 67-70 match the cranial nerve with the structure(s) it innervates. 
 
      NERVE		   Structure Innervated


67. facial nerve			A. eye muscles

68. oculomotor nerve			B. muscles of mastication

69. motor root of trigeminal nerve	C. taste buds in tongue 

70. hypoglossal nerve			D. intrinsic muscles of tongue