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Nervous system
Completion 1
| Question | Answer |
|---|---|
| The brain and spinal cord form the | CNS |
| The cranial nerves and spinal nerves form the | PNS |
| The nucleus of a neuron is found in its | Cell body |
| A_ of a neuron carries impulses toward the cell body. | Dendrites |
| A_of a neuron carries impulses away from the cell body | Axon |
| The_form the myelin sheath of peripheral neurons | Schwann cells |
| The_form the neurolemma of peripheral neurons | Nuclei and cytoplasm |
| The myelin sheath provide___ for neurons | insulation |
| The presence of a neurolemma may permit a peripheral neuron to | Regenerate |
| The neuroglia that form the myelin sheath in the CNS are the | Oligodendrocytes |
| The neuroglia tht help form the blood brain barrier are | Astrocytes |
| The neuroglia that are capable of phagocytosis are | Microglia |
| Sensory neurons carry impulses from_to the_ | receptors,CNS |
| Motor Neurons carry impulses from_to_ | CNS, Effectors |
| Interneurons carry impulses within the | CNS |
| A group of neurons with shared functions in the PNS is called | Mixed nerve |
| A group of neurons with shared function in the CNS is called | Nerve Tract |
| An electrical nerve impulse is carried by the _ of a neuron | Axon |
| A nerve impulse changes form electrical to chemical at a | Synapse |
| Nerve impulses cross synapse by means of | Neurotransmitters |
| The electrical change called_takes place when a neuron receives a stimulus | Depolarization |
| Depolarization means that_ions enter the neuron, and the outside of the membrane now has a_charge | Sodium,negative |
| The spinal cord is located in the_ canal, and is enclosed by the membrane called_ | Vertebral, Meninges |
| In a cross-section of the spinal cord,the_ matter is interior and is surrounded by_matter | Gray,White |
| The gray matter of the spinal cord is made of the _of motor neurons and interneurons. | Cell bodies |
| The white matter of the spinal cord is made of the_of interneurons. | myelinated axons |
| The_tracts of the spinal cord carry_impulses toward the brain. | Ascending,Sensory |
| The_tracts of the spinal cord carry_impulses away from the brain. | Descending,Motor |
| Ascending tracts of the spinal may also be called_tracts and descending tracts may also be called_tracts | Spinothalamic,Corticospinal |
| The dorsal root of a spinal nerve contains_neurons | Sensory |
| The cell bodies of sensory neurons are located in the | Dorsal root ganglia |
| The ventral root of a spinal nerve contains_neurons | Motor |
| The_root of a spinal nerve contains motor neurons,and the _root contains sensory neurons | Ventral,Dorsal |
| There are_pairs of cervical spinal nerves, and they supply the__ | 8 back of head, shoulders,arms, and diaphragm |
| There are_pairs of thoracic spinal nerves,and they supply | 12 trunk of body |
| There are_pairs of lumbar spinal nerves and_pairs of sacral spinal nerves they supply | 5,5 hip pelvic cavity and legs |
| The number of pairs of spinal nerves in order from cervical down, is | 8,12,5,5,and 1 |
| The part of a reflex arc that detects a stimulus is the | receptor |
| The part of a reflex arc that performs the reflex is the | effector |
| The part of a reflex arc that contains one or more synapses is the | CNS |
| The part of a reflex arc that carries impulses to the CNS is the | Sensory neuron |
| The part of a reflex arc that carries impulses away from the CNS is the | Motor neuron |
| A reflex is defined as a_responce to a_ | Involuntary, Stimulus |
| The Patellar reflex is an example of a_reflex and the part of CNS directly involved is the_ | Stretch,sensory neuron |
| The spinal cord reflexes that help keep the body upright are the__reflexes. | Stretch |
| A hand touching a hot stove is pulled away | Flexor relax |
| The part of the brain that regulates heart rate is the | medulla |
| The part of the brain that regulates blood pressure is the | medulla |
| The parts of the brain regulates breathing are the__and__. | Medulla and Pons |
| The part of the brain that regulates coughing and sneezing is the | hypothalamus |
| The part of the brain with centers for visual and auditory reflexes is the | midbrain |
| The parts of the brain concerned with equilibrium and keeping us upright are the | cerebellum and midbrain |
| The part of the brain that regulates coordination of voluntary movement is the | Cerebellum |
| The part of the brain that regulates muscle tone | Cerebellum |
| The part of the brain that regulates secretions of the anterior pituitary gland is the | Hypothalumus |
| The part of of the brain that a movement will stop at the right spot is | Cerebellum |
| The part of the brain that regulates body temperature is the | Hypothalumus |
| The part of the brain that produces the hormones that are stored in the posterior gland | Hypothalumus |
| The part of the brain that requlates eating or not eating | Hypothalumus |
| The part of the brain that integrates sensation to relay to the cerebrum is the | Thalamus |
| The part of the brain that regulates the of the automatic nervous system | Hypothalumus |
| The part of the brain that suppresses unimportant sensation is the | Thalamus |
| The part of the brain that contains a choroid plexus is | Venticle |
| The_lobe of the cerebrum initiates voluntary movement | Frontal |
| The_lobe of the cerebrum enables us to perform movements in sequence | Frontal |
| The_lobe of the cerebrum feels the cutaneous senses | Parietal |
| The_lobe of the cerebrum contains the auditory area | Temporal |
| The_lobe of the cerebrum contains the visual area | Occipital |
| The_lobe of the cerebrum contains area of taste and smell | Parietal |
| The two largest parts of the left motor area of the cerebral cortex are for the | |
| The two largest parts of the right general sensory area of the cerebral cortex are for the | Left hand and face |
| The_of the brain regulate accessory movements such as gestures | Basal Ganglia |
| The cerebral cortex is located on the_of the cerebrum and consists of __matter | Outter covering, Gray |
| The cerebral hemispheres are connected by the | Corpus Callosum |
| The meninges in order from the surface of the brain outward are the | dura matter arachnoid pia matter |
| The part of the brain that is essential for the formation of memories is the | Hippocampus |
Created by:
Alechia1