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Chapter 14
Question | Answer |
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The adult human brain contains almost_______ percent of the body's neural tissue. Male brains are typically ______ compared to female brains. | 97 Percent, Larger |
What are the four main divisions of the adult brain? | Cerebellum, Diencephalon, Midbrain, Pons, |
The tracts that connect the cerebellum to the brain stem are located in the _______. | Pons. |
Automatic centers that control blood pressure, heart rate, and digestion are located in the ________. | Medulla Oblongata. |
Sensory information is processed and relayed to the cerebrum by the _______. | Thalamus. |
A neural cortex is found on the surface of the ________. | Cerebrum. |
The ______ provides the principal link between the nervous and endocrine systems. | Hypothalamus |
The thin partition that separates the first and second ventricles is the septum ________. | Pellucidum |
Each lateral ventricle communicates with the third ventricle through a(n) | Interventricular Foreamen |
The third and fourth ventricles are linked by a slender canal designated as the ______ aqueduct. | Cerebral |
The ventricle associated with the pons and upper medulla is the ________. | Fourth |
Specialized ______ cells form the secretory component of the choroid plexus. | Ependymal |
The dural sinuses are located in the dural ______. What structure is covered by many blood vessels and adheres tightly to the surface of the brain? _______ | Folds, Pia mater |
The brain requires a substantial blood supply. The vessels that deliver blood to the brain are located in the internal ______ and vertebral arteries. | Carotid |
The dural fold that projects into the longitudinal fissure between cerebral hemispheres is called the _________. | Falx Cerebri. |
Which antibiotic enters the CNS without difficulty because it easily crosses the blood brain barrier? | Sulfadiazine. |
Cerebrospinal fluid enters the subarachnoid space through the ______ and median apertures. | Lateral |
Cerebrospinal fluid enters the blood circulation at the ________ granulations. | arachnoid |
What helps to protect the brain? | Blood brain barrier, bones of the skull. The cranial meninges, The CSF. |
What contains spider web like network of cells and fibers through which cerebrospinal fluid flows? | subarachnoid space |
________ cells work to surround the capillaries of the choroid plexus, secrete CSF into the ventricles, removes waste products from CSF and adjust the composition of CSF. | Ependymal |
The cells that cover the outer surfaces of the CNS capillary endothelial cells are the _______. | Astrocytes |
____________ or "water on the brain" may result from blockage of CSF circulation or excessive CSF production. | Hydrocephalus |
The control of ________ rate and blood pressure is based on the medulla oblongata. | heart |
The white matter of the cerebellum forms the | arbor vitae |
The presence of many large, highly branched _________ cells in a sample of brain tissue indicates that it came from the cerebellar cortex. | Purkinje |
The cerebellum can be permanently damaged by stroke or temporarily affected by drugs or alcohol. The resulting disturbance in motor control is known as _________ | ataxia |
Parkinson's disease is the result of inadequate production of _______ by substantia nigra neurons. | dopamine |
After suffering a stroke, Mary finds that she cannot move her right arm. This would suggest that the stroke damage is in the area of the _______________lobe. | Left frontal |
The highest levels of information processing occur in the ____. | Cerebrum |
________ is a temporary cerebral disorder accompanied by abnormal movements, unusual sensations, and or inappropriate behavior. | A seizure |
A(n) ____________ is a printed record of the brain's electrical activity over a period of time. | Electroencephalogram |
_______ is a disorder affecting the ability to speak or read. | Aphasia |
__________ is a condition resulting from an inflammation of a facial nerve. | Bell's palsay |
Why is injury to the medulla oblongata frequently fatal? | Controls the body's autonomic functions breathing, heart rate, digestion |
A patient develops a clot that blocks the blood supply to the right cerebral hemisphere. What signs is thi | Hypoglossal, |