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Nervous System
To help you study the nervous system of the human body
| Question | Answer |
|---|---|
| Which of the following describes the insulation that surrounds axons and functions to speed up the nerve impulse as it travels through the axon? | Myelin sheath |
| What are the 3 types of neurons? | sensory neuron, motor neuron, internueron |
| Describe denrite | Extensions off the cell body that receive signals from other neurons |
| Describe the medulla oblongata | A bulb structure found between the pons and the spinal cord, it contains the nuclei functions for heart rate and respiration. |
| Which disease is progressive and initially has patients show symptoms of forgetting or not being able to remember recently learned information.? | Alzheimers disease |
| Which 2 body parts of the body make up the central nervous system? | brain and spinal cord |
| Describe encephalitis | inflammation of the brain. |
| Describe frontal lobe. | controls the motor functions of humans, controls voluntary muscles and speech. |
| Describe corpus callosum | A wide band of axonal fibers that holds together the middle region of the 2 brain hemispheres |
| Which part of the brain controls eyesight? | occipital |
| What are the 3 functions of the nervous system? | Gather sensory input, integrate information, create movement in the body or activate a gland. |
| What 3 organs are involved in the nervous system? | brain, spinal cord, nerves |
| Where are the cell bodies located? | in the brain or spinal cord |
| Where are the axons located? | outside the brain or spinal cord |
| What are the 2 major divisions of the nervous system? | central nervous system (CNS) and peripheral nervous system (PNS) |
| Describe the sensory division of the peripheral nervous system. | is made of sensory neurons, most of which have receptors that collect information and relay it to the CNS. |
| Describe the motor division of the peripheral nervous system. | is made of motor neurons that get messages in the brain or spinal cord to bring about movement or response from a gland. |
| The motor division of the peripheral nervous system is divided into which 2 categories? | Somatic and autonomic nervous systems |
| Describe the somatic nervous system. | governs most of the movements of your skeletal muscles, including many of your reflexes. |
| Describe the autonomic nervous system. | regulates activities of smooth and cardiac muscles. |
| The autonomic nervous system is divided into which 2 categories? | parasympathetic and sympathetic |
| Which division of the autonomic nervous system (ANS) is also known as the rest and digest state? | parasympathetic |
| Which division of the autonomic nervous system (ANS) is also known as the fight or flight state? | sympathetic |
| The parasympathetic and sympathetic divisions play a large role in helping the body do what? | maintaining homeostasis |
Created by:
cknox2
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