Parts of a Neuron
Basic Brain Anatomy
Neurophysiology
Brain Teasers
Neuroscience Mix
100
Treelike extensions at the beginning of a neuron that receive information from other neurons and transmit electrical simulation
What are dendrites?
100
The complex of nerve tissues that controls the activities of the body, and is composed of the brain and spinal cord.
What is the central nervous system (CNS)?
100
A short-lasting event in which the electrical membrane potential of a cell rapidly rises and falls, following a consistent trajectory.
An action potential
100
Before Mt. Everest was discovered, what was the highest mountain in the world?
Mt Everest
100
Name 2 neurotransmitters.
Epinephrine, Norepinephrine, Acetylcholine, Glutamate, GABA, Glycine, Serotonin, Dopamine, Histamine, Nitric oxide, etc.
200
Elongated fiber that extends from the cell body to the terminal endings and transmits the neural signal
What is an axon?
200
What is the name of the clear fluid that surrounds and cushions the brain and final cord?
Cerebrospinal fluid.
200
A transport protein that uses energy to pump 3 sodium ions across the plasma membrane in exchange for 2 potassium ions.
The sodium-potassium pump
200
Billie was born on December 28th, yet her birthday always falls in the summer. How is this possible?
Billie lives in the southern hemisphere
200
What device measures brain waves?
EEG or Electroencephalograph
300
They are the three types of neurons.
What are interneurons, sensory neurons, and motor neurons?
300
Giving your answer within 5% error, despite weighing 3 pounds, how much of the body's oxygen and glucose does the brain use?
20% (Accept 15% - 25%)
300
MONTHLY DOUBLE!
Sodium channels
300
How much dirt is there in a hole that measures two feet by three feet by four feet?
No Dirt
300
What region of the brain is largely responsible for emotional learning?
The amygdala
400
Areas in the brain and spinal chord that are mostly axons
What is white matter?
400
What lobe of the brain is mainly responsible for visual processing?
Occipital lobe.
400
This sparks action potential in sensory neurons.
A stimulus
400
Which is correct to say, “The yolk of the egg is white” or “The yolk of the egg are white?”
Neither, the yolk of an egg is always yellow.
400
What autoimmune disease is caused by axon demyelination?
Multiple sclerosis
500
These cells wrap around an axon and form the myelin sheath which indirectly assists in the conduction of impulses. (2 answers, +100 if you list both)
What are oligodendrocytes or Schwann cells?
500
Name one feature that is part of the diencephalon.
Hypothalamus, thalamus, or pineal gland.
500
Name two main types of gated channels, one of which can be found throughout axons and the other that usually resides at dendrites.
Voltage-gated and ligand-gated
500
A clerk at a butcher shop stands five feet ten inches tall and wears size 13 sneakers. What does he weigh?
Meat
500
What word, meaning the ability of neurons to change their synapse circuitry, is thought to play a large role in memory?
Neuroplasticity (Accept plasticity)
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