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Patient is suffering from ALS. ((Nervous System (Brain (The brain stem…
Patient is suffering from ALS.
The patient suffers with muscle weakness and cramps.
The patient can go through physical therapy which can help him/her maintain their muscle strength and range of motion for as long as possible.
The patient can have trouble breathing due to weakness in the muscles.
The patient can be given a device that can help he/she breathe better.
The patient might be slurring their words.
The patient can go through speech therapy which can help the patient explore other methods of communication.
ALS is most common between the ages of 40 and the mid-60s.
Patient served in the Gulf War.
Nervous System
Brain
The brain stem helps with breathing rate and heart rate.
The cerebellum helps with balance and coordination.
The cerebrum does higher-order thinking.
Basal Nuclei
Helps regulate muscle movement.
Is supposed to prevent unwanted movement.
Motor Neurons
Ventral Horn
The ventral gray horn has somatic motor neurons and they project their axons to the skeletal muscles.
Gray Matter
Made out of cell bodies, dendrites and unmyelinated axons.
The upper motor neurons send nerve fibers down from the motor cortex in the brain to the spinal cord.
The lower motor neurons send nerve fibers from the spinal cord to the muscles throughout the body.
Spinal Cord
Descending Tracts
They are motor tracts
They give the brain or brainstem directions.
The lower motor neuron synapses with the muscle.
Vestibulospinal Tract
The person doesn't decide the movements.
The directions come from the brain stem.
This tract helps us be able to stay balanced.
An indirect motor tract.
Corticospinal Tract
Sends directions for movement from the brain.
A direct motor tract.
Cerebrum
The precentral gyrus is the primary motor area of the brain and regulates many of the body's motor functions.
The postcentral gyrus is the location of the primary sensory area of the brain which involves many of the body's sensory functions.
Both the upper and lower neuron are significantly smaller in ALS patients so they aren't working properly.
Brain
Basal Nuclei
Cerebellum
Cerebrum
Postcentral Gyrus
Precentral Gyrus
Spinal Cord
Descending Tracts
Have two neurons
Vestibulospinal Tract
Corticospinal Tract
Ascending Tracts
Spinocerebellar Tract
Have three neurons
Spinothalamic Tract
Motor Neurons
Located in the brainstem and the spinal cord.
Ventral Horn
Gray Matter
Muscular System
Skeletal Muscle Fiber
Nervous System
Patient is having a hard time walking due to her legs getting tired easily.
Patient is 52 years old.
Nervous System
Respiratory System
Muscular System