Brain HW Packet

The neurons brining in sensory information to the central nervous system are A) afferent neurons B) efferent neurons C) motor neurons D) a and c E) b and c

A (afferent neurons)

The single artery involved in supplying the posterior brain with freshly oxygenated blood is A) basilar B) vertebral C) posterior cerebral D) posterior communicating

A (basilar)

The inner and outer table of the cranial bones are composed of A) compact bone B) cancellous bone C) diploe D) none of the above

A (compact bone)

The meningeal layer in contact with the cranium is the A) dura mater B) arachnoid C) pia mater D) none of the above

A (dura mater)

The anterior section of the corpus callosum is the A) genu B) body C) splenium D) the corpus callosum doesn't have names for its various sections

A (genu)

The posterior communicating arteries connect the A) internal carotid arteries and posterior cerebral arteries B) anterior cerebral arteries and posterior cerebral arteries C) posterior cerebral artereis and anterior cerebral arteries D) middle cerebral arteries and anterior cerebral arteries

A (internal carotid arteries and posterior cerebral arteries

White brain matter A) is composed of neurons with myelinated axons B) is found in the cortex of the brain C) is composed of neurons with no axons or dendrites D) is the matter making up the basal ganglia

A (is composed of neurons with myelinated axons)

The midline space between the two lateral ventricles is the A) septum pellucidum B) genu C) splenium D) fornix

A (septum pellucidum)

Which is not a synonym for the other terms? A) tectum B) colliculus C) quadrigeminal plate D) corpora quadrigemina

B (colliculus)

The anterior cerebellar notch accommodates the A) third ventricle B) fourth ventricle C) pituitary gland D) pineal gland E) flax cerebelli

B (fourth ventricle)

Which is not considered part of the hindbrain? A) pons B) quadrigeminal plate C) cerebellum D) medulla oblongata E) all of the above

B (quadrigeminal plate)

An afferent neuron is a A) sensory neuron and has multiple dendrites B) a sensory neuron and has a single dendrite C) motor neuron and has a single dendrite D) motor neuron and has multiple dendrites

B (sensory neuron and has a single dendrite)

The shallow grooves on the surface of the brain are A) gyri B) sulci C) convolutions D) falx

B (sulci)

Which of the basal ganglia is most lateral? A) putamen B) globus pallidus C) claustrum D) a, b, and c are all of the same sagittal plane

C (claustrum)

The connecting tissue of the two hemispheres of the cerebrum is A) corpus striatum B) centrum semiovale C) corpus callosum D) vermis

C (corpus callosum)

The foramen magnum is associated with which cranial bone? A) frontal B) parietal C) occipital D) ethmoid E) sphenoid

C (occipital)

The cerebral aqueduct connects the A) lateral ventricles with the third ventricle B) fourth ventricle with the spinal cord C) third ventricle with the fourth ventricle D) fourth ventricle with the subarachnoid space

C (third ventricle with the fourth ventricle)

The number of cranial bones is A) 5 B) 6 C) 7 D) 8 E) 9

D (8)

Cisterns A) are pooling areas for cerebrospinal fluid B) generally are named by location C) are a widening of the subarachnoid space D) all of the above

D (all of the above)

The hypothalamus A) is inferior to the thalamus B) forms the anterior wall of the third ventricle C) communicates with the pituitary gland via the infundibulum D) all of the above

D (all of the above)

The ventricles of the brain communicate with A) the central canal of the spinal cord B) the subarachnoid space C) each other D) all of the above

D (all of the above)

The vertebral arteries join together to form the A) posterior communicating artery B) posterior cerebral artery C) common carotid artery D) basilar artery

D (basilar artery)

Where would you find diploe? A) surrounding the choroid plexus B) in the basal ganglia C) in the centrum semiovale D) between layers of compact bone in the skull E) in the cortex of the cerebrum

D (between layers of compact bone in the skull)

The fissure separating the frontal lobe of the cerebrum from the parietal lobes is the A) longitudinal B) sylvian C) transverse D) central E) lateral

D (central)

Cerebrospinal fluid is found in the A) subarachnoid space B) ventricles of the brain C) cisterns of the brain D) central canal of the spinal cord E) all of the above

E (all of the above)

Which lobe of the cerebrum is not visible externally? A) parietal B) temporal C) frontal D) occipital E) central

E (central)

Where in the brain is the decussation of the pyramids? A) midbrain B) pons C) cerebellum D) cerebrum E) medulla oblongata

E (medulla oblongata)

(T/F) Cerebrospinal fluid is found between the dura mater and arachnoid.

F

(T/F) The connecting tissue of the two hemispheres of the cerebrum is the centrum semiovale

F

(T/F) The diencephalon is part of the midbrain

F

(T/F) The dip of the dura mater into the longitudinal fissure is the falx cerebelli

F

(T/F) The foramina of Luschka connects the lateral ventricles with the third ventricle

F

(T/F) The function of the choroid plexus is to manufacture cerebrospinal fluid

F

(T/F) The internal carotid arteries are branches of the external carotid arteries

F

(T/F) The interventricular foramen is a synonym for the cerebral aqueduct

F

(T/F) The lateral fissure separates the frontal lobe of the cerebrum from the parietal lobe

F

(T/F) The foramen of Magendie drains the lateral ventricles into the third ventricle

G

(T/F) On a sagittal or coronal image, the optic chiasm is in the vicinity of the infundibulum

T

(T/F) The connecting tissue of the two hemispheres of the cerebellum is the vermis

T

(T/F) The dip in the dura mater into the transverse fissure is the tentorium cerebelli

T

(T/F) The foramen of Monro connects the lateral ventricles with the third ventricle

T

(T/F) The function of the circle of Willis is to equalize blood pressure to the brain and provide an alternate blood source should one of the vessels involved be compromised

T

(T/F) The meningeal layer adhering to the surface of the brain is the pia mater

T

(T/F) The name for the white matter in the center of the cerebrum is the centrum semiovale

T

(T/F) The point where the verve pathways cross, resulting in the right half of the brain controlling the left have of the body, and vice versa, is in the medulla oblongata

T

(T/F) The right and left vertebral arteries join together to form the basilar artery

T

(T/F) The two lateral ventricles are separated by the septum pellucidum

T