Ch. 7 neuro Word Scramble
|
Embed Code - If you would like this activity on your web page, copy the script below and paste it into your web page.
Normal Size Small Size show me how
Normal Size Small Size show me how
Question | Answer |
the primary motor area in the _____ lobe is invloved in the initiation of voluntary movements. | Frontal |
What are ganglia? | collection of nerve cell bodies found outside the CNS (Control Nervous System) |
specialized cells that myelinate the fibers of neurons found in the PNS (peripheral nervous system | schwann cells |
fiber types in the dorsal root | afferent(sensory) |
the right cerebral hemisphere recieves sensory input from the _____ side of the body? | left |
Nervous system subdivision that is composed of cranial, spinal nerves and ganglia. | peripheral nervous system |
what would hapen if the ventral root of a spinal nerve were damaged or transected(sliced in two) | loss of sensory function |
generally conducts impulses away from the cell body | axon |
sensory receptors found in muscle and tendons that detect their degree of stretch | proprioceptors |
a(n) ______ EEG is evidence of clinical death | flat |
What would happen if the anterior ramus of a spinal nerve were damaged or transected (sliced in half) | loss of both motor and sensory function |
Muscle sensations when rowing a boat | golgi tendon organ and muscle spindle |
another name for a bundle of nerve fibers | ganglia |
able to divide; therefore are responsible for most brain neoplasms | neuroglia |
conducts electrcal currents toward the cell body | dendrite |
fiber type(s) in the ventral root | efferent (motor) |
the cavities found in the brain are called? | ventricles |
nervous system subdivision that is composed of the brain and the spinal cord | central nervous system |
other than the cerebrum, the other major subdivisions of the brain are the ______ and the ______ | brain stem and the cerebellem |
nerves carrying both sensory and motor fibers are called? | spinal or mixed |
neuron serving as part of the conduction pathway between sensory and motor neurons.` | efferent neuron |
what is the procedure where the meninges (which cover the spinal cord) extend more inferiorly to form a sac from which cererospinal fluid can be withdrawn without damage to the spinbal cord? | spinal tap |
what cranial nerve(s) are involved in smiling? | six (VII) |
what autoimmune disorder with extensive demyelination? | multiple sclerosis |
damage to the _____ impairs conciousness and the awake/sleep cycles. | reticular activating system |
progressive degeneration of the brain with abnormal protien deposits | alzheimer's disease |
what releases nearotransmitters? | axonal terminal |
process where ATP is used to move sodium out and pottasium iona in- restores resting conditions of the neuron | sodium pottasium pump |
what are activated when leaning on a shovel? | pacinian corpuscle (deep pressure receptor) |
chief positive intracellular oin in a resting neuron | pottasium ions |
what part of the brain controls the drives(anger, emotion) and the regulation of water balance and body temperature | hypothalamus |
nerves carrying just sensory fibers are reffered to as sensory or _____ nerves | afferent |
list IN ORDER elements in a reflex arc (from stimulus through effector organ) | stimulus, sensory receptor, sensory neuron, motor neuron, effector organ |
what is the refractory period? | period of repolariization of the neuron during which cannot respond to second stimulus |
sensory reseptors found in the skin which are specialized to detect temperature, pressure changes and pain | cutaneus sense organs |
neuron that conducts impulses awayfrom the CNS to muscles and glands | efferent neuron |
what are activated when walking on hot pavement? | bare nerve endings and pacinian corpuscle (deep pressure receptor) |
somatic or autonomic? regulation of blood pressure | autonomic |
what are ganglion? | collection of nerve cell bodies found outside CNS |
somatic or autonomic? flexor reflex | somatic |
a specialized motor speech are located at the base of the precentral gyrus is called _____ area? | broca area |
a ministroke; fleeting symptoms of a CVA | transient ischemic attack (TIA) |
what are activated by feeling a caress? | meissner corpuscle (touch receptor) |
junction or point of close contact between neurons | synapse |
fiber type(s) in a spinal nerve | afferent(sensory) and efferent (motor) |
somatic or autonomic? | pupillary light reflex |
what does the cerebellum do? | responsible for regulation of posture and coordination of skeletal muscle movements. Major subdiviions of brain |
what are amitotic? neurons or neuroglia? | neurons |
results when a brain region is deprived of blood or exposed to prolonged ischemia | cerebrovascular accident (CVA) |
what inscreases the speed of impulse transmission? | myelin sheath |
after head surgery, retension of water by brain | cerebral edema |
what is cerebrovascular accident (CVA)? | may cause medulla oblongata to be wedged into foramen magnum by pressure of blood |
neuron type(s) in a dorsal root ganglion | afferent (sensory) and efferent (motor) |
what would happen if the dorsal root of a spinal nerve were damages or transected (sliced in two) | loss of motor function (efferent) |
subdivision of the PNS that controls voluntary activities such as the activation of skeletal muscles | somatic nervous system |
somatic or autonomic? Patellar (knee-jerk) reflex | somatic |
what does the thalamus do? | important relay station for afferent fibers traveling to the sensory cortex for interpretation, encloses third ventricle, and if damaged, impairs conciousness and awake/ sleep cycles |
beta waves are recorded when an individual is awake and _____ | active |
what is a tract? | bundle of nerve processes inside the CNS |
what is stimuli | changes occuring within or outside the body, that affect nervous system functioning |
what cranial nerve(s) are involved in slowing the heart or oncreases the mobility of the digestive tract? | 10th (vagus nerve) |
outermost covering of the brain, composed of tough fibrous connective tissue | dura mater |
innermost covering of the brain; delicate and vascular | pia mater |
what cranial nerve(s) are involved in raising the eyelids? | cranial nerve three |
what cranial nerve(s) is involved in smelling a flower? | cranial nerve 1 (olfactory nerve) |
what cranial nerve is involved in shrugging the shoulders? | 11 |
structures that return cerebrospinal fluid to the venous blood in the dural sinuses | arachnoid villi |
middle meningeal layer; like a cobweb in structure | arachnoid membrane |
its outer layer forms the periosteum of the skull | dura mater |
what are the pons? | they contain reflex centers involved in regulating respiratory rhythm in conjunction with lower brain- stem centers |
what causes a slight and transient brain injury? | concussion |
neuron type(s) found in the ventral horn? | efferent (motor) |
the tail-like collection of spinal nerves at the inferior end of the spinal cord is called the? | cuada equina |
what is an afferent neuron? | neuron that conducts impulses toward the CNS from the body periphery |
what are neurotransmitters? | chemical released by neurons that stimulate other neurons, muscles, or glads |
what cranial nerve(s) are involved in chewing food? | the trigemenial nerve (V) |
the largest part of the brain is the (paired) _____? | cerebrum |
somatic or autonomic? salivary reflex | autonomic |
location of the nucleus (in the neuron) | cell body |
neurons or neuroglia? releases neurotransmitters | neurons |
what occurs in repolarization? | period during which potasium ions diffuse out of the membrane |
neuron type(s) found in the dorsal horn | afferent (sensory) |
what occurs in depolarization? | state in which resting potential is reversed as sodium ions rush into the neuron |
what does polarized mean? | it's the electrical condition of the plasma membrane of a resting neuron |
the ventricles contain the _____? | cerebrospinal fluid |
of the 31 pairs of spinal nerves that arise from the spinal cord, how many pairs are in SACRAL nerves? | 5 |
of the 31 pairs of spinal nerves which arise from the spinal cord, how any pairs are in LUMBAR nerves? | 12 |
subdivision of the PNS tat regulates the activity of the hear and smooth muscle, and of the glands; it is also called the involuntary nervous system | autonomic nervous system |
the primary sensory area of the cerebral hemispere is found in the _____ gyrus | postcentral |
what are the 3 major functions of the nervous system? | 1- uses millions of sensory receptors to monitor changes inside and outside the body 2- processes and interprets sensory input to make decisions about what should be done at each moment 3- activates muscles or glands as response |
neurons or neuroglia? support, insulate and protect cells | neuroglia |
total non-responsiveness to stimulation | coma |
somatic or autonomic effector are smooth muscle glands | autonomic |
demonstrates irritability and conductivity and thus transmit electrical messages from one area of the body to another area | neurons |
the _____ is an elevated ridge of cerebral cortex tissue | gyri |
the convolutions seen in the cerebrum are important because they increase the ______ | surface area |
the lentiform nucleus, the cuadate, and other nuclei are collectively called the _____ | basal ganglia |
what does the medulla oblongata do? | contains autonomic centers, which regulate blood pressure and respiratory rhythm, as well as coughing and sneezing centers |
the spinal cord extends from the _____ of the skull to the ____ region of the vertebral column | base, sacral |
white matter is composed of? | myelinated fibers |
cortical area involved in audition (hearing) are found in the ____ lobe? | temporal |
somatic or autonomic? effectors are the skeletal muscles | somatic |
what is a contusion? | traumatic injury that destroys brain tissue |
what are the nodes of ranvier? | gaps in the myelin sheath |
of the 31 pairs of spinal nerves which arise from the spinal cord, how many pairs are CERVICAL nerves? | 8 |
a major subdivision of the nervous system that interprets oncoming information and issue orders | Central Nervous System (CNS) |
how many pairs of spinal nerves arise from the spinal cord? | 31 |
gray matter is composed of? | cell bodies |
a major subdivision of the nervous system that serves as communication lines, LINKING al parts of the body to the CNS | Peripheral Nervous system (PNS) |
Created by:
aleena_west
Popular Anatomy sets