Physiology Chapter 3

Front 1

The brain floats within _______ fluid, which is contained within the _______.

Select one:

a. extracellular; dura mater

b. cerebrospinal; blood vesselsc.

c. intracellular; pia mater

d. interstitial; subarachnoid space

e. cerebrospinal; subarachnoid space

Back 1

cerebrospinal; subarachnoid space

Front 2

The _______ is the origin of the cells that form the central nervous system.

Select one:

a. cerebral cortex

b. mesoderm

c. basal plated. arachnoid layer

e. ventricular zone

Back 2

ventricular zone

Front 3

The _______ is a tough protective sheath that covers the brain and that lies closest to the skull.Select one:

a. dura mater

b. dorsa mater

c. pia mater

d. midsagittal sinuse.

e. subarachnoid membrane

Back 3

dura mater

Front 4

The brain and spinal cord form theSelect one:

a. automatic nervous system.

b. enteric nervous system.

c. central nervous system.

d. peripheral nervous system.

e. somatic nervous system.

Back 4

central nervous system.

Front 5

The term _______ refers to structures that are found on the same side of the body.

Select one:

a. contramedial

b. ipsilateral

c. parasagittal

d. contralateral

e. bilateral

Back 5

ipsilateral

Front 6

The _______ consists of the pons and cerebellum.Select one:

a. metencephalon

b. mesencephalon

c. myelencephalon

d. telencephalon

e. diencephalon

Back 6

metencephalon

Front 7

The term "neuraxis" refers to

Select one:

a. a plane that divides the brain into top and bottom halves.

b. the frontal portions of the brain.

c. a plane that divides the two hemispheres into right and left halves.

d. an imaginary line drawn through the spinal cord up to the front of the brain.

e. the cross-sectional diameter of the spinal cord.

Back 7

an imaginary line drawn through the spinal cord up to the front of the brain.

Front 8

The _______ lobe of the cortex contains primary auditory cortex.

Select one:

a. temporal

b. insular

c. occipital

d. frontal

e. parietal

Back 8

temporal

Front 9

Which of the following is true of embryonic neuron formation?Select one:

a. Progenitor cells produce new glial cells.

b. A progenitor cell forms a neuron and another founder cell during asymmetrical division.

c. New neurons are formed near the pia mater.

d. The cerebral cortex develops from the outside in.

e. A progenitor cell forms four founder cells during symmetrical division.

Back 9

A progenitor cell forms a neuron and another founder cell during asymmetrical division.

Front 10

Which of the following is a subcortical structure?Select one:

a. limbic system

b. dura mater

c. lateral fissure

d. spinal cord

e. parietal cortex

Back 10

limbic system

Front 11

e term "dorsum" means _______, while the term "ventrum" means _______.

Select one:

a. rear; front

b. back; belly

c. top; down

d. front; reare. belly; bac

Back 11

back; belly

Front 12

The term "rostral" meansSelect one:

a. away from the midline.

b. toward the beak or snout.

c. toward the tail.

d. superior.

e. toward the midline.

Back 12

toward the beak or snout.

Front 13

A _______ is a large groove found in the surface of the human cortex.Select one:

a. fissure

b. ventricle

c. gyrus

d. sulcus

e. cerebral aqueduct

Back 13

fissure

Front 14

A brain region that is anterior and dorsal to, say, the thalamus, could also be described as _______ and _______ to the thalamus.Select one:

a. None of the above are correct.

b. caudal; inferior

c. rostral; superior

d. ipsilateral; contralateral

e. lateral; medial

Back 14

rostral; superior

Front 15

Brain CSF is secreted by theSelect one:

a. choroid plexus.

b. meninges.

c. subarachnoid villi.

d. neurons of the hypothalamus.

e. spinal aqueducts.

Back 15

choroid plexus.

Front 16

A key function of apoptosis is to

Select one:

a. guide new neurons to their final position in the brain.

b. mold an adult nerve cell.

c. form new neurons.

d. spur the growth of dendritic branches.

e. terminate the formation of new neurons within the developing brain.

Back 16

terminate the formation of new neurons within the developing brain.

Front 17

Radial glial cells involved in new neuron formation eventually are transformed intoSelect one:

a. visual sensory neurons.

b. microglial cells.

c. oligodendroglia.

d. progenitor cells.

e. astrocytes.

Back 17

astrocytes.

Front 18

A _______section made perpendicular to the ground and parallel to the neuraxis through a human brain divides the brain into two symmetrical halves.

Select one:

a. midsagittal

b. parasagittal

c. frontald. horizontal

e. transverse

Back 18

midsagittal

Front 19

The _______ is formed by the cranial nerves and spinal nerves plus the peripheral ganglia

.Select one:

a. somatic nervous system

b. central nervous system

c. enteric nervous system

d. peripheral nervous system

e. automatic nervous system

Back 19

peripheral nervous system

Front 20

Cross sections that resemble those of a salami and are perpendicular to the neuraxis are produced by a _______ section of the human brain.Select one:

a. sagittal

b. horizontalc. midsagittal

d. transverse

e. parasagittal

Back 20

transverse