ChApter 8 Flashcards
What structure in the cerebrum allows both hemispheres to share information?
corpus callosum
Name the two major parts of the central nervous system.
Brain and spinal cord
What area of the cerebrum controls speak interpretation?
Broca area
What is the major function of the cerebellum? Where is it located?
It is located near the top of the neck and it functions to control learned motor functions like walking.
What are 3 characteristics of “Right Brain” individuals?
Intuition
Artistic awareness
Imagination
Name three characteristics of “Left Brain” individuals.
Mathematics
Logical
Type A personality
What is the meninges?
The meninges are cells that surround the brain with Cerebrospinal fluid in between them and the brain. They serve as a shock absorber.
What does an Axon do?
An axon transmits an outgoing signal to another neuron.
Explain everything you know about a Schwann Cell?
A Schwann cell is made of a protein called myelin. It has a nucleus and serves as a covering for the nerve cells axon.
What is the most widely abused drug in the world?
Alcohol
Why is dark matter “dark”, and why is white matter “white”?
Dark matter gets its color from the cell bodies of neurons while white matter gets its color from the axons and Schwann cells.
After ingesting alcohol, what actually causes the symptoms of being drunk?
The alcohol blocks sugar from being absorbed by the brain so the brain cannot function to its full ability.
What is amnesia?
Amnesia is a term meaning memory loss. This usually follows a concussion and is usually short term memory loss.
Explain the stage of sleep where humans dream?
The stage of sleep when we humans dream is called REM sleep. This stands for rapid eye movement. This is why we dream because we are watching a dream. We usually cycle in and out of this every 45 or 50 minutes.when we are not in REM we are in deep sleep.
What is tetanus caused by?
A dangerous bacteria
What does Parkinson’s begin with?
Hand trembling
What can Meningitis be caused by?
Viruses or bacteria
___________ is used to Meningitis
Cerebrospinal Fluid
____is NOT a major viral infection in the U.S.
Polio
What is a generalized term describing brain disfunction?
Cerebral Palsy
Describe four different ways how even casual drinking of alcohol can harm you?
*One way alcohol can harm you is if you are PREGNANT. And if you drink alcohol it can cause fetal alcohol syndrome. This can cause the baby to have permanent hearing issues, psychological problems, and low birth weight.
*Drinking can also harm your LIVER. This can lead to liver cancer, cirrhosis of the liver and liver failure.
*when drinking CAR ACCIDENTS are a huge problem. 250 Americans die a day in drinking and driving accidents so it can harm you.
DELIRIUM TREMENS can be caused by the lack of drinks or too much drinks. This is a temporary insanity that causes trembling, incoherence and slurred speech.
