Question 1

The white matter of the brain derives its color from myelin.

Accepted Answer

A) True 
 B)False

Question 2

Which of the cranial meninges consists of dense irregular connective tissue in two layers (the periosteal layer and the meningeal layer) ?

Accepted Answer

A)  Pia mater
B)  Arachnoid
C)  Dura mater
D)  Subdural layer
E)  Subarachnoid layerF) A) and D)
G) A) and C)

Question 3

The cranial nerve that innervates smooth muscle and glands of the heart,lungs,larynx,trachea,and most abdominal organs is the ___________ nerve.

Accepted Answer

A)  facial
B)  trigeminal
C)  vagus
D)  accessory
E)  hypoglossalF) A) and E)
G) B) and E)

Question 4

Sensory impulses from all of the senses except _____________ converge on the thalamus and synapse in at least one of its nuclei.

Accepted Answer

A)  vision
B)  taste
C)  touch
D)  hearing
E)  olfactionF) A) and D)
G) None of the above

Question 5

Of the five cerebral lobes,the one not visible on the surface of the brain is the

Accepted Answer

A)  insula.
B)  temporal.
C)  frontal.
D)  occipital.
E)  parietal.F) A) and B)
G) A) and C)

Question 6

The partition between the lateral ventricles is the

Accepted Answer

A)  central canal.
B)  interventricular foramen.
C)  mesencephalic aqueduct.
D)  ventricular canal.
E)  septum pellucidum.F) A) and E)
G) A) and B)

Question 7

Association tracts

Accepted Answer

A)  connect different regions of the cerebral cortex with the opposite hemisphere.
B)  extend between the right and left cerebral hemispheres.
C)  link the cerebral cortex to the caudal brain regions and the spinal cord.
D)  connect different regions of the cerebral cortex within the same hemisphere.
E)  None of the choices is correct.F) A) and E)
G) B) and C)

Question 8

The meninx composed of a thin layer of delicate areolar connective tissue that follows every contour of the brain surface is the

Accepted Answer

A)  pia mater.
B)  arachnoid.
C)  dura mater.
D)  periosteal layer.
E)  subdural layer.F) B) and D)
G) B) and C)

Question 9

Which is not a function of cerebrospinal fluid?

Accepted Answer

A)  CSF helps to remove waste products from the brain.
B)  CSF helps to reduce the effective weight of the brain.
C)  CSF transports nutrients and chemicals to the brain.
D)  CSF helps to promote mitosis within neuronal tissue.
E)  CSF provides a liquid cushion to protect the brain from sudden movements.F) C) and D)
G) D) and E)

Question 10

Most of the gyri and sulci of the human brain develop very early in the fetal period.

Accepted Answer

A) True 
 B)False

Question 11

This nucleus both excites and inhibits the activities of the thalamus to control and adjust muscle tone.

Accepted Answer

A)  Amygdaloid body
B)  Caudate nucleus
C)  Putamen
D)  Globus pallidus
E)  ClaustrumF) C) and D)
G) A) and B)

Question 12

The gray matter of the brain houses motor neuron and interneuron cell bodies,dendrites,telodendria,and unmyelinated axons.

Accepted Answer

A) True 
 B)False

Question 13

Which part of the brain filters sensory information and forwards only a fraction of it to the cerebral cortex?

Accepted Answer

A)  Hypothalamus
B)  Epithalamus
C)  Thalamus
D)  Pineal body
E)  PonsF) A) and E)
G) B) and D)

Question 14

Which structures form the lentiform nucleus?

Accepted Answer

A)  Putamen and globus pallidus
B)  Globus pallidus and caudate nucleus
C)  Caudate nucleus and claustrum
D)  Putamen and claustrum
E)  Amygdaloid body and globus pallidusF) B) and E)
G) A) and C)

Question 15

Commissural tracts

Accepted Answer

A)  extend between the right and left cerebral hemispheres.
B)  connect a region of one lobe with another lobe in the same hemisphere.
C)  connect different regions within a lobe.
D)  connect different regions of the cerebral cortex within the same hemisphere.
E)  link the cerebral cortex to the caudal brain regions and the spinal cord.F) A) and B)
G) A) and E)

Question 16

The brain ventricle located between the pons and the cerebellum is the _____ ventricle.

Accepted Answer

A)  third
B)  lateral
C)  fourth
D)  median
E)  falxF) C) and E)
G) A) and E)

Question 17

Clusters of gray matter that contain neuron cell bodies and lie within masses of white matter are the

Accepted Answer

A)  cortex.
B)  cerebral ganglia.
C)  cerebral nuclei.
D)  cerebral peduncles.
E)  ventricles.F) All of the above
G) B) and C)

Question 18

Which secondary brain vesicle forms the portion of the adult brain that includes the epithalamus,thalamus,and hypothalamus?

Accepted Answer

A)  Telencephalon
B)  Diencephalon
C)  Myelencephalon
D)  Metencephalon
E)  MesencephalonF) B) and C)
G) B) and E)

Question 19

List these events in the correct order for CSF flow in the CNS.
A: CSF flows into the arachnoid villi
B: CSF enters the blood
C: CSF flows through the cerebral aqueduct to the fourth ventricle
D: CSF flows into the subarachnoid space
E: CSF is produced by the choroid plexus

Accepted Answer

A)  a,b,c,e,d
B)  e,a,b,c,d
C)  c,d,a,e,b
D)  e,c,d,a,b
E)  e,d,a,b,cF) A) and D)
G) None of the above

Question 20

The cranial nerve that passes through the cribriform plate of the ethmoid bone is the __________ nerve.

Accepted Answer

A)  optic
B)  olfactory
C)  trigeminal
D)  oculomotor
E)  abducensF) None of the above
G) A) and B)

Exam 15: Brain and Cranial Nerves

The partition between the lateral ventricles is the

Correct AnswerverifiedShow Answer

List these events in the correct order for CSF flow in the CNS. A: CSF flows into the arachnoid villi B: CSF enters the blood C: CSF flows through the cerebral aqueduct to the fourth ventricle D: CSF flows into the subarachnoid space E: CSF is produced by the choroid plexus

Correct AnswerverifiedShow Answer

Clusters of gray matter that contain neuron cell bodies and lie within masses of white matter are the

Correct AnswerverifiedShow Answer

Which structures form the lentiform nucleus?

Correct AnswerverifiedShow Answer

The cranial nerve that innervates smooth muscle and glands of the heart,lungs,larynx,trachea,and most abdominal organs is the ___________ nerve.

Correct AnswerverifiedShow Answer

The white matter of the brain derives its color from myelin.

Correct AnswerverifiedShow Answer

Most of the gyri and sulci of the human brain develop very early in the fetal period.

Correct AnswerverifiedShow Answer

Association tracts

Correct AnswerverifiedShow Answer

The brain ventricle located between the pons and the cerebellum is the _____ ventricle.

Correct AnswerverifiedShow Answer

The gray matter of the brain houses motor neuron and interneuron cell bodies,dendrites,telodendria,and unmyelinated axons.

Correct AnswerverifiedShow Answer

Of the five cerebral lobes,the one not visible on the surface of the brain is the

Correct AnswerverifiedShow Answer

Commissural tracts

Correct AnswerverifiedShow Answer

Sensory impulses from all of the senses except _____________ converge on the thalamus and synapse in at least one of its nuclei.

Correct AnswerverifiedShow Answer

The cranial nerve that passes through the cribriform plate of the ethmoid bone is the __________ nerve.

Correct AnswerverifiedShow Answer

The meninx composed of a thin layer of delicate areolar connective tissue that follows every contour of the brain surface is the

Correct AnswerverifiedShow Answer

Which is not a function of cerebrospinal fluid?

Correct AnswerverifiedShow Answer

This nucleus both excites and inhibits the activities of the thalamus to control and adjust muscle tone.

Correct AnswerverifiedShow Answer

Which part of the brain filters sensory information and forwards only a fraction of it to the cerebral cortex?

Correct AnswerverifiedShow Answer

Which of the cranial meninges consists of dense irregular connective tissue in two layers (the periosteal layer and the meningeal layer) ?

Correct AnswerverifiedShow Answer

Which secondary brain vesicle forms the portion of the adult brain that includes the epithalamus,thalamus,and hypothalamus?

Correct AnswerverifiedShow Answer

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