The Neuron
Nerve fibers that bring impulses into the cell body of the neuron are known as ________.
Dendrites
What structure connects the right and left cerebral hemispheres?
Corpus Callosum
Name the 2 main divisions of the Peripheral Nervous System.
Somatic Nervous System & Autonomic Nervous System
Name the 2 types of Cerebrovascular Accidents.
Hemorrhagic and Ischemic
Which condition occurs when the brain slides back and forth against the skull in response to a blow to the head or a fall?
Concussion
The single nerve fiber that carries impulses away from the cell body of the neuron is known as the _______.
Axon
Which lobe of the cerebrum is responsible for touch sensations and perceptions?
Parietal Lobe
Explain what happens to pulse rate, respiratory rate, and blood pressure when the Sympathetic Nervous System is activated.
Pulse, Respiratory Rate, and Blood Pressure Increase
How is hydrocephalus treated?
Implanting a shunt in the ventricles of the brain to drain the cerebrospinal fluid.
What are the name of the cells that produce myelin?
Schwann cells
What is the term for the lipid covering that insulates some axons and speeds up the rate of nerve impulses?
Myelin Sheath
Which part of the brain controls the heart rate, blood pressure, and respiration?
Medulla Oblongata
Which part of the Autonomic Nervous System regulates the day-to-day functions of internal body systesm?
Multiple Sclerosis
What type of nerve is an afferent neuron?
Sensory neuron
What is the term for the space between the axon terminals of one neuron and the dendrites of another neuron?
Synapse
Which part of the brain regulates and controls the autonomic nervous system?
Hypothalamus
How many pairs of cranial nerves and spinal nerves make up the Somatic Nervous System?
12 pairs of cranial nerves, 31 pairs of spinal nerves
Which condition is caused by the varicella zoster virus and produces fluid filled vesicles that follow the path of the affected nerve?
Shingles
What type of seizure causes unconsiousness, convulsions, hypersalivation, and possible loss of bodily functions?
Grand-Mal (Tonic-Clonic) Seizure
What is the name of the neurotransmitter needed for nerve impulses to cross the synapse from one neuron to another?
Acetylcholine
Which of the meninges contains the blood vessels that nourish the brain and spinal cord?
Pia Mater
You smell freshly baked chocolate chip cookies, so you walk to the kitchen and eat one. It tastes delicious! In this scenario, which part of the Peripheral Nervous System is working?
Somatic Nervous System
Which condition is caused by degeneration of the motor neurons that interact with skeletal muscles and eventually results in total paralysis of the body and death?
Amyotrophic Lateral Sclerosis (ALS, Lou Gehrig's Disease)
What characteristic of a neuron allows it to transmit a nerve impulse?
Conductivity