which of the following statements about the precentral gyrus is true?

A) Its is involved in motor control

B) It is involved in sensory perception

C) both A and D are true

D) It is located in the frontal lobe

E) both B and C are true

The suprachiasmatic nucleus is found in the  ____.

A) pons

B) thalamus

C) hypothalamus

D) medulla

Nuclei of cranial nerves V, VI, and VII are found in the _____.

A) midbrain

B) medulla

C) pons

D) cerebrum

The brain stem consists of the ____.

A) cerebrum, pons, midbrain and medulla

B) midbrain, medulla, and the pons

C) pons, medulla, cerebellum and midbrain

D) midbrain only

The primary auditory cortex is located in the ____.

A) prefontal lobe

B) frontal lobe

C) temporal lobe

D) parietal lobe

Spinocerebellar tracts____.

A) terminate in the spinal cord

B) carry proprioceptive inputs to the cerebellum

C) give rise to conscious experience of perception

D) are found in the dorsal columns of the spinal cord

B) carry proprioceptive inputs to the cerebellum

What cells line the ventricles of the brain?

A) ependymal cells

B) neurons

C) epithelial cells

D) astrocytes

A) ependymal cells

Cell bodies of the sensory neurons of the spinal nerves are located in ____.

A) the dorsal root ganglia of the spinal cord

B) the thalamus

C) the ventral root ganglia of the spinal cord

D) sympathetic ganglia

A) the dorsal root ganglia of the spinal cord

The vital centers for the control of heart rate, respiration, and blood pressure are located in the ____.

A) pons

B) medulla oblongata

C) midbrain

D) cerebrum

B) medulla oblongata

which fissure separates the cerebral hemispheres?

A) central fissure

B) longitudinal fissure

C) parieto-occipital fissure

D) lateral fissure

A shallow groove on the surface of the cortex is called a ___.

A) sulcus

B) fissure

C) gyrus

D) furrow

In control of emotion and motivation, the limbic system works together with the ____.

A) pons

B) thalamus

C) hypothalamus

D) cerebellum, the basal nuclei

Which of the following generalizations does NOT describe the cerbral cortex?

A) Each hemisphere is chiefly concerned with sensory and motor functions of the contralateral side of the body

B) the cerebral cortex contains three kinds of functional areas

C) the hemispheres are exactly equal in function

D) No functional area of the cortex works alone

the central sulcus separates which lobes?

A) frontal from parietal

B) parietal from occipital

C) temporal from parietal

D) frontal from temporal

A) frontal from parietal

Neural tracts that convey life saving info. to the brain concerning burning pain would be _____.

A) anterior spinothalamic

B) reticulospinal

C) lateral spinothalamic

D) posterior spinothalamic

which of these would you NOT find in the cerbral cortex?

A) a cell bodies

B) dendrites

C) unmyelinated axons

D) fiber tracts

The hypothalamus ____.

A) is the thermostat of the body because it regulates temperature

B) mediates sensations

C) is an important auditory and visual relay center

D) has the oineal body as part of its structure

A) is the thermostat of the body because it regulates temperature

The white matter of the spinal cord contains _____.

A) myelinated nerve fibers only

B) soma that have both myelinated and unmyelinated nerve fibers

C) unmyelinated nerve fibers only

D) myelinated and unmyelinated nerve fibers

An individual accidently transected the spinal cord between T1 and L1.  This would result in ____.

A) paraplegia

B) hemiplegia

C) quadriplegia

D) spinal shock only

Spastic paralysis suggests involvement of the ___.

A) upper motor neurons

B) lower motor neurons

C) spinal nerve roots

D) neuromotor junction

Ridges of tissue on the surface of the cerebral hemispheres are called _____.

A) gyri

B) sulci

C) fissures

D) ganglia

The frontal lobe is separated from the temporal lobe by the _____.

A) longitudinal fissure

B) lateral sulcus

C) central sulcus

D) cranial fossa

B) lateral sulcus

two terms for the massive motor tracts serving voluntary movement are ____.

A) pyramidal and corticospinal

B) extrapyramidal and rubrospinal

C) segmental and nigrostriatal 

D) supplementary and cerebrellar-pontine

Broca's area _____.

A) is in the parietal lobe

B) is usually found in the right hemisphere

C) serves the recognition of complex objects

D) is considered a motor speech area

Which part of the cerebral cortex is involved in intellect, cognition, recall and personality?

A) prefontal cortex

B) posterior association area

C) limbic association area

D) combined primary somatosensory cortex and somatosensory association cortex

Which of the following is NOT part of the basal nuclei?

A) putamen

B) lentiform nucleus

C) globus pallidus

D) substantia nigra

All of the following are structures of the limbic system except the _____.

A) hippocampus

B) cingulate gyrus

C) amygdaloid nucleus

D) caudate nucleus

Which of the following is NOT a midbrain structure?

A) third ventricle

B) cerebral peduncles

C) corpora quadrigemina

D) red nucleus

the brain area that regulates activities that control the state of wakefulness or alertness of the cerebral cortex is the _____.

A) thalamus

B) reticular formation

C) pyramids

D) limbic system

REM sleep is associated with _____.

A) decreased vital signs, such as heart rate and blood pressure

B) decreased activity of the brain, especially the cerebral cortex

C) temporary skeletal muscle inhibition except for the extrinsic eye muscles

D) decreased oxygen use, especially in the cerebral cortex

Second order neurons for both the specific and nonspecific ascending pathways terminate in the ____.

A) spinal cord

B) medulla

C) thalamus

D) somatosensory cortex

Loss of ability to perform skilled motor activities such as playing the piano with no paralysis or weakness in specific muscles, might suggest damage to the ____.

A) spinal cord

B) premotor cortex

C) primary motor cortex

D) rubrospinal tracts

Which brain waves are NOT normal for awake adults but are common for children?

A) alpha

B) Beta

C) Delta

D) Theta

Which of the folowing does NOT describe the ANS?

A) a system of motor neurons that innervates smooth and cardiac muscle and glands

B) a system of motor neurons that innervates all muscle cells.

C) involuntary nervous system

D) general visceral motor system

Preparing the body for flight or fight response is the role of the ____.

A) sympathetic nervous system

B) cerebrum

C) parasympathetic nervous system

D) somatic nervous system

A) sympathetic nervous system

Cardiovascular effects of the sympathetic division include all EXCEPT _____.

A) constriction of most blood vessels

B) dilation of the vessels serving the skeletal muscles

C) increase of heart rate and force

D) dilation of the blood vessels serving the skin and digestive viscera

Over 90% of all parasympathetic fibers are derived from cranial nerve number ____.

A) V

B) VII

C) X

D) XII

The resting and digesting division of the autonomic system is the _____.

A) parasympathetic division

B) sympathetic division

Which of these effectors is not directly controlled by the autonomic nervous system?

A) smooth muscle

B) cardiac muscle

C) skeletal muscle

D) most glands

Which of the following is NOT a result of the parasympathetic stimulation?

A) salivation

B) dilation of the pupils

C) increased peristalsis of the digestive viscera

D) elimination of urine

Which of the following statements is NOT true?

A) sympathetic origin is craniosacral: parasympathetic is thoracolumbar

B) sympathetic ganglia are within a few centimeters of the CNS; parasympathetic are close to visceral organs

C) sympathetic division has short preganglionic and long postganglionic fibers; parasympathetic has long preganglionic and short postganglionic fibers.

D) sympathetic has extensive branching of preganglionic fibers; parasympathetic has minimal branching of preganglionic fibers.

A) sympathetic origin is craniosacral: parasympathetic is thoracolumbar

Sympathetic responses generally are widespread because ____.

A) inactivation of ACh is fairly slow

B) preganglionic fibers are short

C) preganglionic fibers are long

D) NE and epinephrine are secreted into the blood as part of the sympathetic response

The parasympathetic fibers of the _____ nerves innervate smooth muscles of the eye that cause the lenses to bulge to accommodate close vision.

A) optic

B) oculomotor

C) trochlear

D) abducens

B) oculomotor

Which of the choices below describes the ANS?

A) motor fibers that conduct nerve impulses from the CNS to smooth muscle, cardiac muscle, and glands

B) motor fibers that conduct nerve impulses from the CNS to skeletal muscles

C) sensory neurons that convey info. from the somatic receptors in the head, body wall, and lims and from receptors from the special senses of vision, hearing, taste and smell to the CNS

D) sensory and motor neurons that supply the digestive tract

Which of the following is NOT a function of the autonomic nervous system?

A) innervation of smooth muscle of the digestive tract

B) innervation of cardiac muscle

C) innervation of glands 

D) innervation of skeletal muscle

Parasympathetic ganglia are located

A)in a chain parallel to the spinal cord

B) in the dorsal roots of spinal nerves

C) next to or within the organs innervated

D) in the brain

Which of the following fibers release norepinephrine?

A) preganglionic parasympathetic fibers

B) postganglionic parasympathetic fibers

C) postganglionic sympathetic fibers in the heart

D) all of the above

the neurotransmitter of preganglionic sympathetic fibers is

A) norepinephrine

B) epinephrine

C) acetylcholine

D) dopamine

What do Wernicke's and Broca's regions of the brain affect?

A) olfaction

B) vision

C) speech

D) memory

E) hearing

C) speech

Our understanding of mental illness has been most advanced by discoveries involving

A) sequence of developmental specialization

B) nature of the blood-brain barrier

C) evolution of the telencephalon

D) degree of convolutions in the brain's surface

E) chemicals involved in brain communications