Quiz 2: Chapter 3

Neurons within the cortex are arranged in columns in part because Select one: a. apoptosis favors the survival of cells within a column b. cells within the column travelled along the same radial glial fiber c. synaptic connections are more efficient within a column d. nature favors linear organization patterns e. All of these are correct

b. cells within the column travelled along the same radial glial fiber

The brain floats within ________ fluid, which is contained within the ________ . Select one: a. intracellular; pia mater b. cerebrospinal; subarachnoid space c. cerebrospinal; lateral ventricles d. interstitial; subarachnoid space e. extracellular; dura mater

b. cerebrospinal; subarachnoid space

In which view of the brain would one be able to note the presence of a specific structure in both hemispheres? Select one: a. cross-medial b. frontal c. sagittal d. parasagittal e. All of these are correct

b. frontal

A ________ refers to a bulge of tissue located between the adjacent grooves in the surface of the human cortex. Select one: a. fissure b. gyrus c. foramen d. ventricle e. sulcus

b. gyrus

A ________ section is made through the human brain and is parallel to the ground, and a ________ section through the spinal cord is parallel to the ground. Select one: a. transverse; horizontal b. horizontal; transverse c. sagittal; midsagittal d. frontal; coronal e. parasagittal; midsagittal

b. horizontal; transverse

The midbrain is comprised of the Select one: a. thalamus and hypothalamus b. tectum and tegmentum c. pons and medulla d. dorsal horn and ventral horn e. superior colliculus and inferior colliculus

b. tectum and tegmentum

The term "neuraxis" refers to Select one: a. the cross-sectional diameter of the spinal cord b. a plane that divides the two hemispheres into right and left halves c. an imaginary line drawn through the spinal cord up to the front of the brain d. a plane that divides the brain into top and bottom halves e. the frontal portions of the brain

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

Which of the following do NOT belong together? Select one: a. occipital lobe; visual function b. frontal lobe; motor function c. frontal lobe; auditory function d. insular cortex; taste function e. temporal lobe; auditory function

c. frontal lobe; auditory function

The two most commonly used synaptic neurotransmitters in the brain are Select one: a. glycine; acetylcholine b. GABA; glycine c. glutamate; GABA d. glutamate; acetylcholine e. acetylcholine; dopamine

c. glutamate; GABA

Which of the pairs belong together? Select one: a. epinephrine and adrenaline b. nicotine and glycine c. noradrenaline and norepinephrine d. serotonin and drug abuse e. A and C are correct

e. A and C are correct

The structures that comprise the basal ganglia include the Select one: a. putamen b. globus pallidus c. caudate nucleus d. amygdala e. All except the Amygdala are correct

e. All except the Amygdala are correct

Damage to portions of the limbic cortex would be expected to alter Select one: a. emotion b. the ability to recognize emotion in others c. long-term memory d. the ability to learn and retain new information e. All of the above are correct

e. All of the above are correct

Which of the following would be expected following damage to cortex that lies just in front of the central sulcus? Select one: a. intense hypersexuality b. visual hallucinations c. inability to discriminate tones as low intensities d. difficulty in reading and writing e. difficulty in controlling the muscles of the body

e. difficulty in controlling the muscles of the body

Axons that travel within the ________ connect the hippocampus to the mammillary bodies. Select one: a. corpus callosum b. cingulate callosum c. posterior commissure d. stria terminalis e. fornix

e. fornix

Which of the following represents the correct pairing of a thalamic nucleus with its projection to cortex? Select one: a. medial geniculate nucleus; projects to primary visual cortex b. ventrolateral nucleus; projects to primary visual cortex c. lateral geniculate nucleus; projects to primary visual cortex d. ventrolateral nucleus nucleus; projects to primary somatosensory cortex e. lateral geniculate nucleus; projects to primary motor cortex

e. lateral geniculate nucleus; projects to primary motor cortex

The metencephalon is comprised of the Select one: a. thalamus and hypothalamus b. tectum and tegmentum c. superior colliculus and inferior colliculus d. dorsal horn and ventral horn e. pons and cerebellum

e. pons and cerebellum

Which of the following is true of dopamine receptors? Select one: a. Dopamine receptors are metabotropic b. All dopamine receptors are ionotropic c. D1 receptors are located on the presynaptic membrane d. D2 receptors are only found on postsynaptic membranes e. Cyclic AMP is increased by activation of D1 as well as D2 receptors

a. Dopamine receptors are metabotropic

Match up the transmitter substance below with the appropriate behavioral role or action of that transmitter: Select one: a. acetylcholine; muscular movement b. dopamine; suppresses certain species-typical behaviors c. norepinephrine; facilitation of learning d. serotonin; increases vigilance e. GABA; generally activates voluntary movements

a. acetylcholine; muscular movement

The ______ is a tough protective sheath that covers the brain and lies closest to the skull. Select one: a. dura mater b. pia mater c. dorsa mater d. subarachnoid membrane e. midsagittal sinus

a. dura mater

On the 28th day of embryonic development, the human brain resembles a Select one: a. hollow tube b. shallow plate c. series of ridges d. series of increasingly larger rectangles e. round balloon

a. hollow tube

Which of the following is NOT correct regarding CSF? Select one: a. CSF is produced by the choroid plexus b. The total brain volume of CSF is about 125 ml c. CSF functions to cushion the brain against sharp movements d. Less than 2 hours is required to replace the total CSF volume in a human brain e. Loss of CSF would result in compression of brain tissue onto the ventral skull surface

d. Less than 2 hours is required to replace the total CSF volume in a human brain

The ________ region of cortex lies buried within a fissure between the ________ and the ________ lobes. Select one: a. calcarine; temporal; frontal b. insular; parietal; frontal c. calcarine; insular; occipital d. insular; frontal; temporal e. parietal; frontal; calcarine

d. insular; frontal; temporal

The myelencephalon contains one major structure, the ________ , which is the most caudal portion of the brain stem. Select one: a. spinal cord b. pons c. cerebellum d. medulla oblongata e. metencephalon

d. medulla oblongata

A key function of apoptosis is Select one: a. to form new neurons b. to guide new neurons to their final position in the brain c. to spur the growth of dendritic branches d. to terminate the formation of new neurons within the developing brain e. to mold an adult nerve cell

d. to terminate the formation of new neurons within the developing brain

CSF is produced within the ________ and reabsorbed into the blood by the ________. Select one: a. subarachnoid villi; choroid plexus b. blood-brain barrier; choroid plexus c. gut; ventricles d. ventricles; arachnoid granulations e. All of these are correct

d. ventricles; arachnoid granulations