Ch. 16 Brain and Cranial Nerves

The ________ is a connective tissue sheet that separates the cerebrum from the cerebellum.

tentorium cerebelli

The fold of dura mater in the transverse fissure is the ________.

tentorium cerebelli

Association areas of the cortex A) are only located in the right hemisphere. B) are typically larger than the primary sensory or motor regions. C) are found only in the frontal and parietal lobes. D) lie directly adjacent to the central sulcus.

B) are typically larger than the primary sensory or motor regions.

Components of the metencephalon include the A) cerebrum and cerebellum. B) cerebellum and pons. C) medulla oblongata. D) thalamus and cerebellum. E) All of the answers are correct.

B) cerebellum and pons.

The visual cortex is located in the ________ lobe. A) occipital B) insular C) frontal D) temporal E) parietal

A) occipital

The thalamus __________. A) serves as a final relay point for sending sensory information to the cerebral cortex B) is the location of the melatonin-producing pineal gland C) releases hormones, such as growth hormone and prolactin D) regulates autonomic functions, such as heart rate and blood pressure

A) serves as a final relay point for sending sensory information to the cerebral cortex

Richard has had a stroke. The EMT tells him to raise his right arm. Richard hears the EMT and understands what is being asked of him, but cannot originate the message in his brain to raise his arm. What part of his brain has been affected? A) the primary sensory cortex B) the primary motor cortex C) the auditory association area D) the auditory cortex

B) the primary motor cortex

The parietal lobe is primarily used for A) perception of visual stimuli. B) motor functions. C) sensory functions. D) perception of auditory stimuli. E) None of the answers are correct.

C) sensory functions.

The medial partition between the lateral ventricles is (the) A) arachnoid villi. B) diaphragma sellae. C) septum pellucidum. D) intermediate mass. E) None of the answers are correct.

C) septum pellucidum.

Which of the following areas of the brain adjust the output of other somatic motor centers in the central nervous system? A) Cerebellum B) Hypothalamus C) Mesencephalon D) Medulla oblongata

A) Cerebellum

Which cranial nerve forms a midline connection, allowing fibers to cross to the opposite side of the brain? A) Optic B) Olfactory C) Hypoglossal D) Trigeminal

A) Optic

Damage to the posterior portion of the frontal lobe could result in A) a loss of movement of your leg. B) a loss of feeling in your arm. C) a loss of vision. D) the inability to smell a flower.

A) a loss of movement of your leg.

Conscious thought processes and all intellectual functions originate in (the) A) medulla oblongata. B) cerebral hemispheres. C) corpus callosum. D) cerebellum. E) None of the answers are correct.

B) cerebral hemispheres.

The parietal lobe A) receives information about smell. B) contains the primary sensory cortex. C) is located anterior to the central sulcus. D) does not have an association area

B) contains the primary sensory cortex.

Crossover of information between cerebral hemispheres occurs through the A) external capsule. B) corpus callosum. C) fornix. D) handedness of the individual. E) All of the answers are correct.

B) corpus callosum.

The extensions of the dura mater that enters the longitudinal fissure is the A) tentorium cerebelli. B) falx cerebri. C) falx cerebelli. D) All of the answers are correct. E) None of the answers are correct.

B) falx cerebri.

The largest cerebral lobe is the ________ lobe. A) parietal B) frontal C) occipital D) temporal E) insular

B) frontal

The only cranial nerve that attaches directly to the cerebrum is the A) facial. B) olfactory. C) trigeminal. D) optic

B) olfactory.

The major function of the superior colliculi includes reflexes involved with A) the nose. B) the eyes. C) the taste buds. D) the ears. E) None of the answers are correct.

B) the eyes.

Which of the following areas of the brain provide a link between the nervous system and the endocrine system? A) Cerebrum B) Pons C) Hypothalamus D) Medulla oblongata

C) Hypothalamus

General sensory information on its way to the cerebrum gets processed and relayed from which of the following areas of the brain? A) Cerebellum B) Mesencephalon C) Thalamus D) Pons

C) Thalamus

Cranial nerves (CN) III, IV, and VI innervate the six skeletal muscles that move the eye. These nerves are the A) oculomotor, trigeminal, and olfactory. B) vagus, optic, and trochlear. C) abducens, trochlear, and oculomotor. D) optic, oculomotor, and facial.

C) abducens, trochlear, and oculomotor.

Arachnoid granulations A) line the sella turcica of the sphenoid bone. B) occur along the inferior sagittal sinus. C) absorb CSF into the venous circulation. D) are projections of the dura mater into the arachnoid mater. E) None of the answers are correct.

C) absorb CSF into the venous circulation.

What is the large groove that separates the frontal lobe of the cerebrum from the more posterior parietal lobe? A) lateral sulcus B) longitudinal fissure C) central sulcus D) postcentral gyrus

C) central sulcus

The groove between the frontal and parietal lobes of the brain is (the) A) parieto-occipital sulcus. B) lateral sulcus. C) central sulcus. D) longitudinal fissure. E) None of the answers are correct.

C) central sulcus.

The ventricles of the brain are filled with __________. A) blood vessels B) synovial fluid C) cerebrospinal fluid D) neurons

C) cerebrospinal fluid

The telencephalon becomes the A)pons. B) midbrain. C) cerebrum. D) diencephalon. E) medulla.

C) cerebrum.

Together the thalamus, hypothalamus, and epithalamus are called the A) cerebellum. B) rhombencephalon. C) diencephalon. D) brain stem. E) gray matter.

C) diencephalon.

Which cranial nerve lies medial to the vagus nerve? A) Glossopharyngeal B) Accessory C) Trigeminal D) Hypoglossal

D) Hypoglossal

Cranial nerves that have autonomic components include A) IV, V, VI, VII. B) I, II, III. C) VIII, XI, XII. D) III, VII, IX, X. F) None of the answers are correct.

D) III, VII, IX, X.

Where are the autonomic reflex centers for heart rate and breathing? A) Cerebellum B) Mesencephalon C) Cerebrum D) Medulla oblongata

D) Medulla oblongata

Which of the following is NOT part of the frontal lobe? A) Primary motor cortex B) Prefrontal lobe C) Somatic motor association area D) Postcentral gyrus

D) Postcentral gyrus

When the blood supply to a portion of the brain is cut off, the resulting damage is called A)amnesia. B) cerebral palsy. C) atherorsclerosis. D) a stroke. E) None of the answers are correct.

D) a stroke.

The area of the brain where memory is processed and stored is the A) pons. B) mesencephalon. C) cerebellum. D) cerebrum.

D) cerebrum.

The epithalamus controls day and night cycles through the secretion of the hormone A) thyroid hormone. B) oxytocin. C) acetylcholine. D) melatonin. E) DHEA.

D) melatonin.

Damage to the pyramidal cells of the cerebral cortex would directly affect A) the ability to hear. B) the ability to see. C) perception of pain. D) the ability to taste. E) voluntary motor control.

E) voluntary motor control.