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Chp 10-Nervous Sys 2

Brain: Davi-Ellen Chabner The Language of Medicine 8th Edition

The brain controls: body activities.
Adult brains weigh: 3 pounds.
Sections of the brain: Cerebellum, cerebrum, thalmus, hypothalmus, pons, medulla oblongoda.
Sections of the brainstem: Pons, medulla oblongoda.
On each side of the brain, there are 4 lobes: Occipital, Parietal, Frontal, Temporal.
The thinking area of the brain: Cerebrum.
Nerve cells lie in sheets called ______, which lie on the surface of the _____. the cerebral cortex, cerebrum.
Sheets of nerve cells lie in folds called: gyri (convolutions).
Grooves on the brain are called: sulci (fissures).
The brain is divided into two _____. cerebral hemispheres.
Lobes of the brain are named for the _____ that overlie them. cranial(skull) bones.
The left hemisphere is concerned with what functions? Language, math functioning, reasoning, analytical thinking.
The right hemisphere is concerned with what functions? Spatial relationships, art, music, emotions, intuition.
The temporal lobe manages what functions? Hearing, understanding speech, language.
The frontal lobe manages what functions? Thought processes, behavior, personality, emotion, body movement, language expression (Broca area).
The parietal lobe manages what functions? Body sensations, visual & spatial perception.
The occipital lobe manages what functions? Vision, language comprehension (Wernicke area).
Cerebrum functions: Thought, judgement, memory, association, discrimination.
Perception is based on sensory impulses that are received through _______ cranial nerves, when registered in the _____. Afferent, cortex.
Spaces/canals in the brain are called: Ventricles.
The fluid in the ventricles is: Cerebrospinal fluid (CSF).
Cerebrospinal fluid functions: Protects the brain & spinal cord fromshock, by acting like a cushion.
Describe CSF: Clear, colorless, contains lymphocytes, sugar, proteins.
The procedure to withdraw CSF is: Lumbar puncture.
Lumbar puncture is performed for: Diagnosis, or to relieve pressure on the brain.
How is a lumbar puncture (LP) performed? A hollow needle into the lumbar region of the spinal column, below where the nervous tissue of the spinal cord ends.
CSF is formed where? Within the ventricles.
CSF circulates where? Between the membranes around the brain, and within the spinal cord.
The _____ gland is located below the _____ area of the brain. Pituitary, hypothalmus.
The _____ _____ regulate intentional movements of the body. Basal ganglia.
The _____ _____ lies in the center of the brain, and connects the _____ _____. Corpus callosum, two hemispheres.
The _____ monitors sensory impluses from the _____. Thalmus, skin.
Perception of _____ is controlled by the thalmus. Pain.
The hypothalmus contains neurons that control: Body temperature, sleep, appetite, sexual desire, and emotions such as fear and pleasure.
The _____ regulates the release of hormones from the _____ gland at the base of the brain. Hyppothalmus, pituitary.
The hypothalmus integrates activities of the _____ and _____ nervous system. Sympathetic, parasympathetic.
The cerebellum functions: Coordinate voluntary movements, maintain balance & posture.
The pons is part of the _____, and means "bridge". Brainstem.
The _____ contains nerve fiber tracts that connect the cerebellum & cerebrum with the rest of the brain. Pons.
Nerves to the eyes and face lie in the: Pons.
The medulla oblongata is part of the: Brainstem.
The _____ _____ connects the spinal cord with the rest of the brain. Medulla oblongata.
In the medulla oblongata, nerve tracts: Cross from left to right (criss-cross).
The _____ side of the cerebrum controls nerve cells on the left side of the body, through the medulla oblongata and down the spinal cord. Right.
Nerve cells send out _____ that cross over (called _____)to the opposite of the opposide of the brain. Axons, decussate.
The medulla oblongata regulates internal activities of three vital centers: Respiratory, cardiac, vasomotor.
In the M.O., the respiratory center controls: Muscles of respiration in response to chemicals or other stimuli.
In the M.O., the cardiac center: Slows the heart rate when it is beating too rapidly.
In the M.O., the vasomotor center: Affects (constricts or dilates) the muscles in the walls of blood vessels, influencing BP.
Created by: bethybb