Chapter 13 jasminefevan

108. Dentists anesthetize a portion of the _____ nerve to stop pain impulses from the teeth.

B. trigeminal

117. Damage to branches of the _____ nerve can interfere with normal speech.

B. vagus

118. Which nerve has branches that extend to the thoracic and abdominal viscera?

B. vagus nerve

119. Damage to which of the following cranial nerves might result in death?

B. vagus nerve

7. What do the cavities of the neural tube become in the adult brain?

B. ventricles

106. A kiss on the cheek would be perceived by impulses from the

C. trigeminal nerve.

8. Which of the following statements concerning the brainstem is true?

C. Damage to the brainstem is usually fatal.

49. Which of the following is false?

C. The thalamus controls many endocrine functions.

120. Which of the following cranial nerves does not innervate the tongue?

C. accessory

123. Dysfunction of the sternocleidomastoid muscle could result from damage to the

C. accessory nerve.

39. The white matter of the cerebellum forms a branching network known as the

C. arbor vitae.

51. The mammillary bodies

C. are involved in emotional responses to odors.

69. Association fibers connect

C. areas of the cerebral cortex within the same hemisphere.

78. Which of the following basal nuclei is located in the cerebrum?

C. caudate nucleus

38. The cerebellum communicates with other parts of the CNS by means of nerve tracts called the

C. cerebellar peduncles.

70. Tracts of white matter that connect the right and left hemispheres are composed of

C. commissural fibers.

72. The cerebral medulla

C. consists of many nerve tracts of white matter beneath the cerebral cortex.

42. Which of the following is NOT a function of the cerebellum?

C. control the heart rate

10. The fact that the right side of the brain controls the left side of the body is explained by the

C. decussation of the pyramids in the medulla.

103. Which of the following would help to determine if the oculomotor nerve was damaged?

C. have the patient look superiorly and inferiorly

81. The basal nuclei function to

C. inhibit unwanted muscular activity.

75. The corpus callosum

C. is a band of commissural fibers that connects the right cerebral hemisphere to the left cerebral hemisphere.

35. The reticular formation

C. is composed of nuclei scattered throughout the brain stem.

41. Smooth, flowing movements are the result of fine motor coordination in the

C. lateral cerebellar hemispheres.

17. A patient with a traumatic head injury may exhibit vomiting as a result of irritation of nuclei in the

C. medulla oblongata.

37. During an autopsy the brainstem was separated from the rest of the brain by a cut between the

C. midbrain and diencephalon.

24. The nuclei of cranial nerves III, IV, and V are located in the

C. midbrain.

124. A fracture of the cribriform plate might injure the _____ cranial nerve?

C. olfactory

1. The central nervous system develops from a flat mass of tissue called the neural

C. plate.

23. Which two portions of the brain are involved in controlling respiration?

C. pons, medulla oblongata

32. What part of the midbrain carries sensory tracts from the spinal cord?

C. tegmentum

50. Most sensory input that ascends through the spinal cord and brainstem projects to the

C. thalamus.

82. The limbic system involves various neural connections between

C. the cerebrum and diencephalon.

85. The most superficial meningeal layer is

C. the dura mater.

92. Which ventricle is located between the two halves of the thalamus?

C. third ventricle

109. Which of the following cranial nerves innervates only one muscle of the eyeball?

C. trochlear nerve

96. Which of the following arteries supply blood to the brain?

D. Both the internal carotid arteries and the vertebral arteries.

79. Lesions of the basal nuclei could cause

D. a slight shaking of the hands or head.

61. The pineal body

D. appears to play a role in controlling the onset of puberty.

76. What type of white fibers connect areas of the cerebral cortex in the same hemisphere?

D. association fibers

98. What structural feature of the brain regulates the movement of materials from the blood into the brain?

D. blood-brain barrier

47. Which of the following is mismatched?

D. dorsal tier of nuclei - taste impulses

3. From which germ layer does the nervous system form?

D. ectoderm

67. During brain surgery, the superior portion of the postcentral gyrus of a patient is stimulated. The patient is most likely to

D. feel pressure on his toes.

59. Which of the following feelings is NOT related to hypothalamic function?

D. feeling rested after flying to England

44. Ridges of the cerebellar cortex are called

D. folia

54. An individual who has an eating disorder along with intense thirst and wildly varying body temperatures may have a dysfunction of the

D. hypothalamus.

95. Water-soluble molecules such as glucose and amino acids move across the blood-brain barrier by

D. mediated transport.

5. From which embryonic brain region does the cerebellum form?

D. metencephalon

104. Ptosis (drooping of the upper eyelid) of the left eye would be caused by damage to the

D. oculomotor nerve.

21. Damage to pontine nuclei might affect

D. respiration.

65. Which of the following is not a lobe of the cerebrum?

D. sphenoidal

64. The lateral fissure separates the _____ from the rest of the cerebrum.

D. temporal lobe

15. Which of the following terms does NOT belong with the others?

D. thalamus

107. Difficulty with chewing or an inability to chew might result from damage to the

D. trigeminal nerve.

33. What is the role of the red nuclei?

D. unconscious regulation and coordination of motor activities

88. Cerebrospinal fluid is formed by tissue in the walls and roofs of the

D. ventricles of the brain.

4. What structures are formed from neural crest cells?

E. All of the choices form from neural crest cells

122. The accessory nerve

E. All of these choices are correct.

53. Afferent fibers terminating in the hypothalamus provide input from the

E. All of these choices are correct.

52. Injury to the thalamus would

E. affect sensory projection to the cerebral cortex.

57. A 13-year-old child exhibited retarded growth, reduced metabolism, lack of normal reproductive gland development, inability to regulate water intake or water elimination from the body, and an uncontrolled appetite. What part of the child's brain is most likely involved?

E. hypothalamus

6. From which embryonic brain region does the medulla oblongata form?

E. myelencephalon

25. The superior and inferior colliculi are located in which of the following portions of the midbrain?

E. tectum (roof)

43. A person with a lesion in the brain exhibited the following manifestations: normal tension in skeletal muscle, disturbed fine motor control, exhibited tremors when reaching for objects. What part of the brain is most likely damaged?

E. the cerebellum

13. Walking a tightrope would activate what portion(s) of the medulla?

E. the pyramids and the olives

28. When you walk up behind someone and tap their right shoulder, they will reflexively

E. turn their head toward the right.

30. The substantia nigra interconnects with the

A. basal nuclei.

89. Cerebrospinal fluid is produced by the ____ and is reabsorbed by the ____.

A. choroid plexus, arachnoid granulation

71. What is the large C-shaped mass of white matter that consists of nerve fibers that connect the two cerebral hemispheres?

A. corpus callosum

66. The gray matter on the outer surface of the cerebrum is called the

A. cortex.

27. The superior colliculi receive input from the

A. eyes, skin, cerebrum and inferior colliculi.

112. A baseball player was hit on the left side of his skull in the parotid area. He cannot close his eye and the corner of his mouth droops. Which cranial nerve was damaged?

A. facial

125. When you lick frosting off a knife with the tip of your tongue and find the frosting has an orange flavor to it, which cranial nerve is being used to determine the taste of the frosting?

A. facial

126. Which of the following cranial nerves has a parasympathetic component?

A. facial

110. Facial expression is regulated by the

A. facial nerve.

116. Motor control of the face is the function of the ____ nerve, while sensation from the face is determined by the ____ nerve.

A. facial, trigeminal

55. Which of the following brain areas serves as the major control center of the autonomic nervous system and endocrine system?

A. hypothalamus

56. The "thermostat" or nucleus that monitors blood temperature is located in the

A. hypothalamus.

115. The facial and glossopharyngeal nerves

A. innervate the salivary glands.

94. The blockage of CFS inside the brain is a condition called

A. internal hydrocephalus.

84. Which of the following is NOT part of the limbic system?

A. lateral geniculate nucleus of the thalamus

16. Which portion of the brainstem is continuous with the spinal cord?

A. medulla oblongata

18. A small lesion in the brainstem which resulted in a rapid heart rate, intense vasoconstriction, and elevated blood pressure would probably be located in the

A. medulla oblongata.

9. In the CNS, clusters of gray matter containing cell bodies are called

A. nuclei.

20. The nucleus for the facial nerve (cranial nerve VII) is located in the

A. pons.

93. Which of the following is NOT a function of cerebrospinal fluid?

A. provides oxygen to CNS tissue

121. Unilateral damage to a cranial nerve is suspected because the tongue deviates to the right when it is protruded. Which cranial nerve is damaged?

A. right hypoglossal

68. If an animal has had its cerebrum removed, it cannot

A. see.

99. Cranial nerve function includes

A. somatic motor.

86. Cerebrospinal fluid fills the

A. subarachnoid space.

2. The cerebrum develops from the embryonic region called the

A. telencephalon.

46. The interthalamic adhesion connects the two portions of the

A. thalamus.

77. Projection fibers will connect

A. the cerebrum to other parts of the brain and the spinal cord.

73. The primary somatic sensory or general sensory area is located in

A. the postcentral gyrus.

113. A deer hunter lost the hearing in his right ear after his gun exploded when he tried firing it. His hearing loss is the result of damage to what nerve?

A. vestibulocochlear

101. Which of the following cranial nerves is exclusively sensory?

A. vestibulocochlear (VIII)

58. Arrange the following in order from the diencephalon downward. (1) spinal cord (2) midbrain (3) medulla (4) pons

B. 2, 4, 3, 1

11. Which of the following is correctly associated with the medulla oblongata?

B. It contains nuclei for regulation of heart rate and blood vessel diameter.

36. Which of the following activities would stimulate the reticular formation?

B. a clock radio coming on in the morning

102. The oculomotor nerve

B. adjusts pupil size to the level of lighting.

105. The abducens nerves

B. are involved in eye movement.

26. The inferior colliculi

B. are involved with auditory pathways in the CNS.

97. The internal carotid arteries and the basilar artery join on the base of the brain to form the

B. cerebral arterial circle.

74. Which of the following activities is NOT associated with the cerebrum?

B. controlling the autonomic nervous system

12. The pyramids of the medulla contain

B. descending motor tracts.

48. The habenular nuclei and pineal body are both found in the

B. epithalamus.

111. Paralysis on the right side of the face could result from damage to the right _____ nerve.

B. facial

40. The portion of the cerebellum that is involved in balance and eye movements is the

B. flocculonodular lobe.

63. The central sulcus separates the

B. frontal and parietal lobes.

45. The stalk that connects the hypothalamus to the hypophysis (or pituitary gland) is the

B. infundibulum.

60. Which of the following is a function of the hypothalamus?

B. involved in psychosomatic illnesses

83. The limbic system

B. is associated with basic survival instincts of nutrition, memory, and reproduction.

114. The glossopharyngeal nerve A. innervates the larynx. B. is involved in the sense of taste. C. innervates intrinsic tongue muscles. D. transmits sensory information from the abdominal viscera. E. controls facial expressions.

B. is involved in the sense of taste.

80. The corpus striatum is composed of the

B. lentiform and caudate nuclei.

31. A lesion in the cerebral peduncles might affect

B. movement.

14. Consider the following five terms and determine which does not belong.

B. pons

22. Which area of the brain contains areas that initiates REM sleep?

B. pons

19. The part of the brain that connects the medulla to the midbrain is the .

B. pons.

34. The sleep/wake cycle is influenced by the

B. reticular formation.

29. A bird hits the windshield of your car, and you reflexively duck and close your eyes. Which of the following is responsible for this action?

B. superior colliculi

87. Which of the following pairs is mismatched?

B. tentorium cerebelli - base of brain

90. If cerebrospinal fluid does not drain properly,

B. the excess fluid exerts pressure on the brain.

100. The Roman numerals assigned to each cranial nerve reflect

B. the sequence from anterior to posterior in which they emerge from the brain.

62. The cerebral gyri increase

B. the surface area of the cortex.

91. The cerebral aqueduct connects

B. the third ventricle to the fourth ventricle.