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Anatomy Ch. 13
| Question | Answer |
|---|---|
| The cavities within the brain are called: | ventricles |
| The __ aqueduct connects the third ventricle with the fourth ventricle. | cerebral |
| Which brain system is considered to be the "emotional" brain? | limbic |
| The left and right sides of the thalamus are connected by which of the following structures? | intermediate mass and interthalamic adhesion |
| Cranial nerves are part of the __ nervous system. | peripheral |
| The medulla oblongata is continuous with __ __ inferiorly. | spinal cord |
| gray matter | cerebral cortex |
| shallow grooves | sulcus |
| deep grooves | fissures |
| Regions of gray matter in deeper white matter. | cerebral nuclei |
| elevated fold | gyrus |
| The primary auditory cortex is located in the __ lobe. | temporal |
| The primary olfactory cortex is located in the __ lobe. | temporal |
| The primary visual area is located in the __ lobe. | occipital |
| The __ is the location of conscious thought processes and the origin of all complex intellectual functions. | cerebrum |
| There are __ pairs of cranial nerves. | 12 |
| The cerebrum is composed of two halves, called the left and right __ __. | cerebral hemispheres |
| The gnostic area is composed of regions of which of the following cerebral lobes? | parietal, occipital, temporal |
| The mesencephalon is also called the __ and forms the superior portion of the brainstem. | midbrain |
| The two functional brain systems which are composed of structures that are scattered throughout the brain are the __ formation and the __ system. | reticular and limbic |
| The __ provides rigid support that protects the brain. | cranium |
| In the cerebrum, the outer layer is made of __ matter and the inner layer is made of mostly __ matter. | gray, white |
| Which of the meninges is the strongest? | dura |
| The __ connects the cerebrum and the cerebellum to the spinal cord. | brainstem |
| The areas of the cerebral cortex that are responsible for the integration of new information with stored information are the __ areas. | association |
| The __ is responsible for "fine tuning" skeletal muscle movements. | cerebellum |
| The blood-brain barrier is not absolute. What are some items that can pass through this barrier? | nicotine, some anesthetics, alcohol |
| The hemisphere that controls language in most people is the __. | left |
| The __ is the principal and final relay point for sensory information. | thalamus |
| __ bathes the exposed surfaces of the central nervous system. | CSF |
| From deep to superficial, the cranial meninges are the __ mater, __ mater and __ mater. | pia, arachnoid, dura |
| The __ refers to the paired oval masses that lie on each side of the third ventricle between the anterior commissure and the pineal gland. | thalamus |
| The components of diencephalon includes what? | hypothalamus, thalamus, epithalamus |
| The cerebellum is responsible for what function? | coordination of skeletal muscle movement |
| Wernicke's area is located in the right hemisphere. T or F? | false |
| The posterior portion of the epithalamus is the location for what? | pineal gland and habenular nuclei |
| The thalamus will process incoming information and project it to the __. | somatosensory cortex |
| The __ __ are used to be called Broca's area and located in most individuals in the left front lobe. | motor speech |
| The limbic system is responsible for what functions? | motivation, emotional memory, emotion |
| The cerebellum is the second largest part of the brain? | true |
| A sensory area known as the __ association area allows us to identify objects with our eyes closed. | somatosensory |
| Cranial nerves are numbered according to their positions, beginning with the: | nerve that is most anterior |
| Most of the central white matter is grouped into bundles called __. | tracts |
| The __ cerebelli forms a dural "tent" over the cerebellum. | tentorium |
| Cranial nerve II has what functions? | vision |
| The __ mater's literal translation is delicate mother. | pia |
| The __ extends inferiorly from the hypothalamus to attach to the pituitary gland. | infundibulum |
| The arachnoid mater is partially composed of __ and __ fibers. | collagen, elastic |
| The __ formation processes visual, auditory, and touch stimuli and sends inputs to the cerebrum to maintain alertness of the organism. | reticular |
| The falx cerebri is a fold of: | dura mater |
| All of the ventricles contain a liquid material called __ __. | cerebrospinal fluid |
| CSF is produced by secretion of a fluid from the __ cells. | ependymal |
| What cranial nerves are found in the mesencephalon (midbrain)? | oculomotor nerver (CN III) and trochlear nerve (CN IV) |
| CN I (Oh) | olfactory |
| CN II (once) | optic |
| CN III (one) | oculomotor |
| CN IV (takes) | trochlear |
| CN V (the) | trigeminal |
| CN VI (anatomy) | abducens |
| CN VII (final) | facial |
| CN VIII (very) | vestibulocochlear |
| CN IX (good) | glossopharyngeal |
| CN X (vacations) | vagus |
| CN XI (are) | accessory |
| CN XII (heavenly) | hypoglossal |
| Four main regions of the brain: | cerebrum, diencephalon, brainstem, cerebellum |
| Biggest part of the brain. Right and left hemispheres. | cerebrum |
| Contains thalamus, epithalamus, and hypothalamus. | diencephalon |
| Contains midbrain, pons, and medulla oblongata. | brainstem |
| Depressions of the brain. Shallow groove. | sulcus |
| Deep groove (sulcus). | fissures |
| Folds of the brain. | gyrus |
| The __ __ is an external, tough, dense irregular c.t. layer composed of two fibrous layers. The __ __ is immediately superficial to the arachnoid. The _ _ is more superficial layer; forms periosteum on the internal surface of cranial bones; (venus sinus). | dura mater, meningeal layer, periosteal layer |
| Between dura mater and cranium: "potential" __ space. | epidural |
| Between dura mater and arachnoid: "potential" __ space. | subdural |
| __ mater resembles spider web (trabeculae-collagen and elastic fibers). | arachnoid |
| Immediately deep to arachnoid mater is __ space. Filled with trabeculae and vessels. CSF. | subarachnoid |
| "Tough mother." Outer meninge. | dura mater |
| Middle meninge. | arachnoid mater |
| "Delicate mother." Inner meninge. | pia mater |
| The __ mater is the innermost of the cranial meninges. It is a thin layer of delicate areolar connective tissue that tightly adheres to the brain and follows every contour of the brain surface. | pia |
Created by:
khinson