Study sets matching "control circuits"
Study sets
Classes
Users
Cerebellum
Basal ganglia
Functions of cerebellum
Cerebellum Anatomy
Co-ordinates motor and sensory information.... Gets info from cor…
Involved in control of background movement and initiation of m…
Stores learned sequences of movements, participates in fine tu…
Highly folded surface... Accounts for about a tenth of the brain…
Cerebellum
Co-ordinates motor and sensory information.... Gets info from cor…
Basal ganglia
Involved in control of background movement and initiation of m…
control circuits (CC)
CC function
UMN cooperation
DAP, IAP
-basal ganglia... -cerebellum
-control and integrate the activities of the different pathway…
DAP & IAP from the UMN must communicate with CC for motor move…
the activation of skilled movements through the ______ need to…
control circuits (CC)
-basal ganglia... -cerebellum
CC function
-control and integrate the activities of the different pathway…
What does the letter "N" designate, reg…
What does the letter "R" designate, reg…
What do the letters "ND" designate, reg…
What do the letters "BR" designate, reg…
"N" designates normal. ... Heel and Front contacts made from full…
"R" designates reverse.... Heel and Back contacts are made from f…
"ND" designates normal. ... Heel and Front contacts made from ful…
"BR" designates reverse.... Heel and Back contacts are made from…
What does the letter "N" designate, reg…
"N" designates normal. ... Heel and Front contacts made from full…
What does the letter "R" designate, reg…
"R" designates reverse.... Heel and Back contacts are made from f…
When testing a motor with an ohmmeter,…
The ____________drawing illustrates whe…
If contacts become dirty or pitted, it…
How many switches can be connected to a…
false
pictorial
. ... False
unlimited
When testing a motor with an ohmmeter,…
false
The ____________drawing illustrates whe…
pictorial
PRESSURE AND THERMOSTATIC MOTOR CONTROL…
THERMOSTATIC MOTOR CONTROL BULBS ARE CH…
IN A TEMPERATURE CONTROL MECHANISM, WHA…
WHAT IS A COMMON COLOR USED FOR GROUND…
D. ALL OF THE ABOVE
B. VOLITILE LIQUID
C. TEMPERATURE CONTROL
C. GEEEN
PRESSURE AND THERMOSTATIC MOTOR CONTROL…
D. ALL OF THE ABOVE
THERMOSTATIC MOTOR CONTROL BULBS ARE CH…
B. VOLITILE LIQUID
location of nucleus tractus solitaries
functions of nucleus tractus solitaries
location of nucleus ambiguous
functions of nucleus ambiguous
medulla
receives sensory info from swallowing, respiratory and cardiov…
medulla
motor swallowing center, commands swallowing muscles
location of nucleus tractus solitaries
medulla
functions of nucleus tractus solitaries
receives sensory info from swallowing, respiratory and cardiov…
lower motor neurons
local circuit neurons
Sensory Neurons
alpha motor neurons
- those in brain stem control skeletal muscles of head neck an…
- receive input from sensory neurons and descending projection…
- involved in local reflex circuits
- innervate extrafusal muscle fibers
lower motor neurons
- those in brain stem control skeletal muscles of head neck an…
local circuit neurons
- receive input from sensory neurons and descending projection…
There is no neutral junction
Diodes
Six
Rotor
Which of the following is true of a delta-wound stator?
Alternating urgent in a generator is rectified by:
Automotive generators with three stator windings generally use…
The component that is turned by the the generator drive belt a…
There is no neutral junction
Which of the following is true of a delta-wound stator?
Diodes
Alternating urgent in a generator is rectified by:
An overrunning clutch
The solenoid plunger and shift fork
Pull-in and hold-in
False
Starter drives prevent armatute overspin through the use of:
A starter drive pinion is shifted into mesh with the ring by:
A starter solenoid consists of two sets of windings known as:
True or false. A neutral safety switch is used to complete the…
An overrunning clutch
Starter drives prevent armatute overspin through the use of:
The solenoid plunger and shift fork
A starter drive pinion is shifted into mesh with the ring by:
State three reasons circuit control dev…
Three general types of circuit control…
Manual switch & an example
Automatic switch & an example
1. Remove power from a malfunctioning devices... 2. Remove power…
Toggle switch; Relay; Solenoid
Controlled by a person; ... light switch, switch on car, and chan…
Controlled by a mechanical or electrical device/ any switch th…
State three reasons circuit control dev…
1. Remove power from a malfunctioning devices... 2. Remove power…
Three general types of circuit control…
Toggle switch; Relay; Solenoid
control console
circuit breaker
on/off switch
kVp selector
located in primary or low voltage side; contains all controls…
prevents circuit overload and required by federal law
single throw-double blade switch mandated by federal law
autotransformer that selects proper voltage sent to step-up tr…
control console
located in primary or low voltage side; contains all controls…
circuit breaker
prevents circuit overload and required by federal law
What type of current does an x-ray tube…
Direct current
Alternating current
What is a transformer used for?
converts AC to DC
current flows in one direction (+)... ex: batteries and rectifiers
current flows in 2 different directions (+ and -) ... -produced b…
to change increase or decrease voltage in an AC circuit ... -as a…
What type of current does an x-ray tube…
converts AC to DC
Direct current
current flows in one direction (+)... ex: batteries and rectifiers
cerebellum receives advanced copy of in…
cerebellum receives real-time movement…
most heavily represented of the cortico…
most medial part of cerebral peduncles
area 6 (PMA/SMA)
spinocerebellar, vestibulocerebellar proprioceptors
frontopontine (SMA/PMA)
frontopontine fibers
cerebellum receives advanced copy of in…
area 6 (PMA/SMA)
cerebellum receives real-time movement…
spinocerebellar, vestibulocerebellar proprioceptors
Alpha Motor Neuron... -where does it live…
Upper Motor Neurons... -location... -motor co…
2 thing that UMN's talk to
in a spinal reflex, how are the motor a…
lives in ventral horn of spinal cord and travels to skeletal m…
in CNS/brain itself... motor cortex: planning, initiates, and di…
1. Lower Motor neurons... 2. local circuit neurons for reflex co…
they come into the same segment, this allows them to be close…
Alpha Motor Neuron... -where does it live…
lives in ventral horn of spinal cord and travels to skeletal m…
Upper Motor Neurons... -location... -motor co…
in CNS/brain itself... motor cortex: planning, initiates, and di…
What are the two main structure involve…
Basal ganglia role
Cerbellum role
What is the input of the basal ganglia?
Cerebellum and basal gangia... Give feedback to the thalamic nuce…
activate and stop specific motor function... "base" of movement
fine tune.... exceute motor... balance, posture, motor planning,…
Input from cortex! Not spinal
What are the two main structure involve…
Cerebellum and basal gangia... Give feedback to the thalamic nuce…
Basal ganglia role
activate and stop specific motor function... "base" of movement
How often must switch circuit controlle…
If any condition is detected that could…
The first step in the test procedure fo…
Switch circuit controllers should be lu…
Every three months
Immediately protect train movements
Inspect the general condition of the circuit controller, point…
When required
How often must switch circuit controlle…
Every three months
If any condition is detected that could…
Immediately protect train movements
What type of current does an x-ray tube…
Direct current
Alternating current
What is a transformer used for?
converts AC to DC
current flows in one direction (+)... ex: batteries and rectifiers
current flows in 2 different directions (+ and -) ... -produced b…
to change increase or decrease voltage in an AC circuit ... -as a…
What type of current does an x-ray tube…
converts AC to DC
Direct current
current flows in one direction (+)... ex: batteries and rectifiers
What type of current does an x-ray tube…
Direct current
Alternating current
What is a transformer used for?
converts AC to DC
current flows in one direction (+)... ex: batteries and rectifiers
current flows in 2 different directions (+ and -) ... -produced b…
to change increase or decrease voltage in an AC circuit ... -as a…
What type of current does an x-ray tube…
converts AC to DC
Direct current
current flows in one direction (+)... ex: batteries and rectifiers
1. Control the synergy of coordinated m…
Motor command
Connections in the pontine nuclei
Red nuclei,... vestibular nuclei, and ... ret…
3 main roles of cerebellum in controlling the motor system
Collateral projections provide comparison information about ___
The cerebellum provides comparison information about premotor…
The cerebellum provides comparison information about brainstem…
1. Control the synergy of coordinated m…
3 main roles of cerebellum in controlling the motor system
Motor command
Collateral projections provide comparison information about ___
Control Circuits: Extrapyramidal Tract
cerebellum
cerebellum functions
cerebellum communicates w/
help to control/ program skilled movements... don't have direct…
10% of brain's volume, over 50% of neurons in brain (has its h…
maintains balance, posture (input from vestibular receptors &…
cortex (muscles, tendons, joints... brainstem... basal ganglia
Control Circuits: Extrapyramidal Tract
help to control/ program skilled movements... don't have direct…
cerebellum
10% of brain's volume, over 50% of neurons in brain (has its h…
Motor function
Cerebral cortex
Specific thalamic nuclei... (THALAMUS)
Primary motor... & premotor areas... (latera…
The basal ganglia and cerebellum tune/control distinct aspects…
Both the basal ganglia and cerebellum receive input from wides…
Both the basal ganglia and cerebellum send feedback informatio…
Cortical targets of basal ganglia and cerebellum
Motor function
The basal ganglia and cerebellum tune/control distinct aspects…
Cerebral cortex
Both the basal ganglia and cerebellum receive input from wides…
What are three (3) basic types of timin…
What are three (3) methods of controlli…
What does TDOE mean?
What does TDOD mean?
- spring wound interval timers... - mechanical and electronic tim…
- pneumatic... - fluid dash pot... - electronic
time delay on energization
time delay on de-energization
What are three (3) basic types of timin…
- spring wound interval timers... - mechanical and electronic tim…
What are three (3) methods of controlli…
- pneumatic... - fluid dash pot... - electronic