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Brain
| Question | Answer |
|---|---|
| Lobe of the cerebrum responsible for decision-making, personality, and motor movements | Frontal Lobe |
| Lobe of the cerebrum that deals with somatic sensory info | Parietal Lobe |
| Lobe of the cerebrum that is responsible for memory and auditory info | Temporal Lobe |
| Lobe of the cerebrum responsible for visual input | Occipital Lobe |
| portion of the cerebral cortex folded deep within the lateral sulcus responsible for sensory processing, decision-making, and motor control | Insular Lobe |
| outermost layer of the brain that is associated with our highest mental capabilities | Cerebral Cortex |
| Largest and highest section of the brain Accounts for 80% of the brain’s mass. | Cerebrum |
| An arched mass of white matter found in the depths of the longitudinal fissure. Deep bridge of nerve fibers located between cerebrum hemispheres | Corpus callosum |
| Projections into the brain ventricles that produce cerebrospinal fluid. | Choroid plexus |
| Fluid that circulates throughout the ventricles and spinal cord | Cerebral Spinal Fluid (CSF) |
| Located between the cerebrum and midbrain contains some of the most vital centers of body activity | Diencephalon |
| Relay center for sensory info from body to cerebrum; influence mood and movement | Thalamus |
| Responsible for homeostasis; regulates the endocrine system (pituitary); swallowing and shivering; sweating; hunger and thirst centers; fear and rage; sleep-wake cycle; sexual development | Hypothalamus |
| a small, pea-shaped gland in the brain best known for the secretion of the hormone melatonin What part of your brain controls your sleep cycle? | Pineal gland |
| small pea-sized gland that plays a major role in regulating vital body functions and general wellbeing "master gland" | Pituitary gland |
| Section below the back of the cerebrum Responsible for muscle coordination The second major structure of the brain. | Cerebellum |
| Chewing, tasting, saliva production connects the cerebral cortex with the medulla oblongata | Pons |
| Regulates heartbeat, respiration, swallowing, coughing, and blood pressure lowest part of the brain and the lowest portion of the brainstem | Medulla Oblongata |
| Responsible for carrying afferent messages up to the brain and efferent messages from the brain to the nerves | Spinal Cord |
| Membranes that cover and protect the brain | Meninges |
| The three membranes that protect the brain and spinal cord. | Dura mater, arachnoid mater, pia mater |
| Outer tough covering of the brain "tough mother" | Dura Mater |
| Feathery connective tissue "loose fibers" and Contains and moves CSF (sub_____________ space) | Arachnoid mater Subarachnoid space |
| The innermost layer of the meninges, bound tightly to brain | Pia mater |
| many folds and creases, allows a large surface of brain to fit inside our skulls | Convolutions |
| Name the 3 fissures | Lateral, Longitudinal, Transverse |
| large fissure that divides the two hemispheres into left and right | Longitudinal fissure |
| forms the boundary between the frontal and the parietal lobes on the lateral and medial surfaces of the cerebral hemispheres | Central Sulcrus |
| The grooves in the brain are called? | Sulci |
| Deep grooves that divide? | Fissure |
| The folds in the brain are called? The raised portions of the cerebral surface. | Gyri |
| four connected fluid-filled cavities within the human brain | Ventricles |
| area between the dura mater and the vertebral wall, containing fat and blood vessels | Epidural space |
| Between dural layers; contains venous blood; removes excess CSF | Dural sinuses |
| What is referred to as "horses tail" | Cauda Equina |
| 4 Plexuses | Cervical, Brachial, Lumbar, Sacral |
| __________ is where the processing is done and the __________ is the channels of communication | Grey matter and White matter |
| Ascending tracts of nervous system fibers in these columns carry up _________to the brain, whereas descending tracts carry _______________from the brain. | sensory information, motor commands |
| gray matter is separated into _______________, the white matter of the spinal cord is separated into ________ | Horns , Columns |
| cerebrospinal fluid-filled space that runs through the spinal cord | Central canal |
| a shallow groove along the midline of the posterior part of the spinal cord | Posterior median sulcrus |
| provides a groove in which the anterior spinal artery sits | Anterior median fissure |
| What does the dorsal root and ventral root of the spinal cord do? | The dorsal roots carry afferent sensory axons, while the ventral roots carry efferent motor axons. |
| the regions very close to the spinal cord in which the nerve cell bodies lie (bulb) | Dorsal Root ganglion |
| Carries nutrients to some parts of the brain and spinal cord serves as a shock absorber and removes metabolic products and waste. | Function of CSF |
| 3 parts of the brain stem | Midbrain (diencephalon), Pons, Medulla Oblongata |
| thermoreceptor, photoreceptor, proprioceptor, chemoreceptor, pain (nociceptor) , mechanoreceptors | 6 types of receptors |
| What counteracts the sympathetic nervous system | Parasympathetic nervous system |
| Associative nerves do what? | Carry both sensory and motor messages |
| A sensory message is also called? | afferent |
| Efferent messages are nerves that carry messages from the _____ and ___ ____to the____ and________ | Brain and spinal cord,muscles and glands |
| You don't control digestion, your heart beats automatically, digestive waste moves down the colon. What part of the nervous system is this? | Autonomic |
| The sympathetic and parasympathetic are both parts of the autonomic system, why? | they maintain a balance in involuntary functions |
| You saw a cat get hit by a car, you couldn't breathe, your heart was racing, would part of the nervous system is activated? | Sympathetic (flight or fight) |
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