ch 2 test

The number of cranial nerves arising from the brainstem is -0. -6. -8. -10. -12.

10 (See the section "Brainstem.")

The number of cranial nerves arising from the brainstem is:

10.

The pons -is superior to the medulla. -by definition means "tissue connecting two or more parts." -is anterior to the cerebellum. -All of the above

All of the above (See the subsection "Pons" in the section "Hindbrain" and Figure 2-9.)

The intermediate mass:

All of the above (is a point of communication for the thalamus, passes through the third ventricle, is composed of gray matter)

The hypothalamus:

All of the above (s inferior to the thalamus, forms the anterior wall of the third ventricle, communicates with the pituitary gland via the infundibulum)

The ventricles of the brain communicate with:

All of the above (the central canal of the spinal cord, the subarachnoid space, each other)

Which lobe of the cerebrum is not visible externally? -Parietal -Temporal -Frontal -Occipital -Central

Central (See the subsection "Lobes" in the section "Cerebrum" and Figure 2-10.)

Which of the basal ganglia is most lateral? -Putamen -Globus pallidus -Claustrum -a, b, and c are all on the same sagittal plane.

Claustrum(See the subsection "Basal Ganglia" in the section "Cerebrum" and Figure 2-13.)

Which is immediately lateral to the thalamus?

Globus pallidus

Where in the brain is the decussation of the pyramids?

Medulla

On which plane of sectional images would the bulk of the thalamus not be visible?

Midsagittal

On which plane of sectional images would the bulk of the thalamus not be visible? -Midsagittal -Coronal -Axial -All of the above

Midsagittal(The thalamus forms the lateral walls of the third ventricle, which is in the midsagittal plane. See the subsection "Thalamus" in the section "Diencephalon" and Figure 2-13.)

The foramen magnum is associated with which cranial bone?

Occipital

The foramen magnum is associated with which cranial bone? -Frontal -Parietal -Occipital -Ethmoid -Sphenoid

Occipital(See the section "Cranial Bones.")

Which cranial bone is one of a pair?

Parietal

Which cranial nerves arise from the medulla?

VIII, IX, X, XI, XII

Which is not part of the corpus striatum?

a, b, and c are all part of the corpus striatum (Caudate nucleus, Putamen, Globus pallidus)

The neurons bringing in sensory information to the central nervous system are:

afferent neurons.

The neurons bringing in sensory information to the central nervous system are -afferent neurons. -efferent neurons. -motor neurons. -a and c -b and c

afferent neurons. (See the section "Neurons.")

Cisterns:

are pooling areas for cerebrospinal fluid. generally are named by location. are a widening of the subarachnoid space.

The single artery involved in supplying the posterior brain with freshly oxygenated blood is the -basilar. -vertebral. -posterior cerebral. -posterior communicating.

basilar (The other possible choices are all paired arteries)

The vertebral arteries join together to form the:

basilar artery.

The vertebral arteries join together to form the -posterior communicating artery. -posterior cerebral artery. -common carotid artery. -basilar artery.

basilar artery. (See the section "Arteries" and Figures 2-21 A and 2-22.)

The single artery involved in supplying the posterior brain with freshly oxygenated blood is the:

basilar.

Where would you find diploe?

between the layers of compact bone in the skull

Where would you find diploe? -surrounding the choroid plexus -in the basal ganglia -in the centrum semiovale -between the layers of compact-bone in the skull -in the cortex of the cerebrum

between the layers of compact bone in the skull (See the section "Cranial Bones.")

The amygdaloid nucleus is associated with the:

caudate nucleus.

The fissure separating the frontal lobe of the cerebrum from the parietal -lobes is the -longitudinal. -sylvian. -transverse. -central. -lateral.

central.(See the subsection "Fissures" in the section "Cerebrum" and Figure 2-10.)

The cranial bones are composed of two layers of:

compact bone.

The meningeal layer in contact with the cranium is the:

dura mater.

On axial images, the dip of the meningeal layer of the dura mater between the two hemispheres of the cerebellum is identified as the:

falx cerebelli.

The number of lobes composing each cerebral hemisphere is:

five.

Interventricular foramen is a synonym for -foramen of Monro. -foramen of Magendie. -foramina of Luschka. -cerebral aqueduct

foramen of Monro. (See the subsection "Interventricular Foramen" in the section "Lateral Ventricles.")

The foramen of Magendie connects the -lateral ventricles with the third ventricle. -fourth ventricle with the spinal cord. -third ventricle with the fourth ventricle. -fourth ventricle with the meningeal space.

fourth ventricle with the spinal cord. (See the subsection "Foramen of Magendie" in the section "Fourth Ventricle" and Figure 2-60.)

The anterior section of the corpus callosum is the:

genu.

The internal capsule separates the:

globus pallidus and thalamus.

The lateral or Sylvian fissure is external to the:

insula.

An afferent neuron:

is a sensory neuron and has a single dendrite.

The foramen of Monro connects the:

lateral ventricles with the third ventricle.

The foramen of Monro connects the -lateral ventricles with the third ventricle. -fourth ventricle with the spinal cord. -third ventricle with the fourth ventricle. -fourth ventricle with the meningeal space.

lateral ventricles with the third ventricle.(See the subsection "Interventricular Foramen" in the section "Lateral Ventricles" and Figure 2-17 A.)

The second branch off the arch of the aorta is the

left common carotid artery.

TThe third branch off the arch of the aorta is the -right subclavian artery. -brachiocephalic artery. -right common carotid artery. -left common carotid artery. -left subclavian artery.

left subclavian artery

The third branch off the arch of the aorta is the:

left subclavian artery.

The fissure seen on sectional images separating the two hemispheres of the cerebrum is the:

longitudinal.

The superior cerebellar peduncles connect the cerebellum with the:

midbrain.

On an axial image, the colliculi are seen anterior to the quadrigeminal cistern and posterior to the:

peduncles.

The fourth ventricle is at the level of the -petrous portion of the temporal bone. -midbrain. -corpus callosum. -collateral trigone.

petrous portion of the temporal bone. (See the subsection "Fourth Ventricle" in the section "Ventricles" and Figure 2-36.)

The choroid plexus originates in the:

pia mater.

The choroid plexus originates in the -dura mater. -arachnoid. -pia mater. -None of the above

pia mater. (See the subsection "Choroid Plexus" in the section "Ventricles.")

The circle of Willis:

provides an alternate source of blood should a vessel involved be compromised and equalizes blood pressure.

The external capsule separates the:

putamen and claustrum.

The midline space between the two lateral ventricles is the -septum pellucidum. -genu. -splenium. -fornix.

septum pellucidum (See the subsection "Septum Pellucidum" in the section "Ventricles" and Figure 2-27.)

The midline space between the two lateral ventricles is the:

septum pellucidum.

The sella turcica is associated with the -frontal bone. -parietal bone. -occipital bone. -ethmoid bone. -sphenoid bone.

sphenoid bone. (See the section "Cranial Bones.")

The shallow grooves on the surface of the brain are -gyri. -sulci. -convolutions. -falx.

sulci.(See the subsection "Fissures" in the section "Cerebrum" and Figure 2-10.)

The optic nerves passing through the optic chiasma terminate in the:

thalamus

The cerebral aqueduct connects the:

third ventricle with the fourth ventricle.