12.3 Multiple-Choice Questions

A) prefrontal cortex

29) Which part of the cerebral cortex is involved in intellect, cognition, recall, and personality? A) prefrontal cortex B) posterior association area C) limbic association area D) combined primary somatosensory cortex and somatosensory association cortex

B) cerebellar white matter

3) The arbor vitae refers to ________. A) cerebellar gray matter B) cerebellar white matter C) the pleatlike convolutions of the cerebellum D) flocculonodular nodes

A) metabolic waste such as urea

30) The blood-brain barrier is effective against ________. A) metabolic waste such as urea B) nutrients such as glucose C) alcohol D) anesthetics

B) red blood cells

35) Which of the following would you not find in normal cerebrospinal fluid? A) glucose B) red blood cells C) potassium D) protein

D) initiation of some nerve impulses

37) Which of the following is not a function of the CSF? A) reduction of brain weight B) protection from blows C) nourishment of the brain D) initiation of some nerve impulses

D) loss of proprioception

38) Injury to the hypothalamus may result in all of the following except ________. A) pathologic sleep B) loss of body temperature control C) production of excessive quantities of urine D) loss of proprioception

B) cerebral cortex

49) White matter is found in all of the following locations except the ________. A) corpus callosum B) cerebral cortex C) corticospinal tracts D) outer portion of the spinal cord

C) temporal lobe

5) The primary auditory cortex is located in the ________. A) prefrontal lobe B) frontal lobe C) temporal lobe D) parietal lobe

A) ependymal cells

7) What cells line the ventricles of the brain? A) ependymal cells B) neurons C) epithelial cells D) astrocytes

B) arachnoid and pia

8) The subarachnoid space lies between what two layers of meninges? A) arachnoid and epidura B) arachnoid and pia C) arachnoid and dura D) dura and epidura

B) medulla

9) The vital centers for the control of heart rate, respiration, and blood pressure are located in the ________. A) pons B) medulla C) midbrain D) cerebrum

A) the dorsal root ganglia of the spinal cord

10) Cell bodies of the sensory neurons of the spinal nerves are located in ________. A) the dorsal root ganglia of the spinal cord B) the ventral root ganglia of the spinal cord C) the thalamus D) sympathetic ganglia

B) longitudinal fissure

11) Which fissure separates the cerebral hemispheres? A) central fissure B) longitudinal fissure C) parieto-occipital fissure D) lateral fissure

C) executive suite

12) Which of the following best describes the cerebrum? A) motor command center B) visceral command center C) executive suite D) decussation center

A) sulcus

13) A shallow groove on the surface of the cortex is called a ________. A) sulcus B) fissure C) gyrus D) furrow

C) The hemispheres are exactly equal in function.

14) Which of the following generalizations does not describe the cerebral cortex? A) The cerebral cortex contains three kinds of functional areas. B) Each hemisphere is chiefly concerned with sensory and motor functions of the contralateral side of the body. C) The hemispheres are exactly equal in function. D) No functional area of the cortex works alone.

A) frontal from parietal

16) The central sulcus separates which lobes? A) frontal from parietal B) parietal from occipital C) temporal from parietal D) frontal from temporal

D) fiber tracts

18) Which of these would you not find in the cerebral cortex? A) cell bodies B) dendrites C) unmyelinated axons D) fiber tracts

C) myelinated and unmyelinated nerve fibers

19) The white matter of the spinal cord contains ________. A) myelinated nerve fibers only B) unmyelinated nerve fibers only C) myelinated and unmyelinated nerve fibers D) soma that have both myelinated and unmyelinated nerve fibers

A) paraplegia

21) An individual accidentally transected the spinal cord between T1 and L1. This would result in ________. A) paraplegia B) hemiplegia C) quadriplegia D) spinal shock only

A) gyri

23) Ridges of tissue on the surface of the cerebral hemispheres are called ________. A) gyri B) sulci C) fissures D) ganglia

B) lateral sulcus

24) The frontal lobe is separated from the temporal lobe by the ________. A) longitudinal fissure B) lateral sulcus C) central sulcus D) cranial fossa

D) is considered a motor speech area

28) Broca's area ________. A) corresponds to Brodmann's area 8 B) is usually found in the right hemisphere C) serves the recognition of complex objects D) is considered a motor speech area