Neural Circuits
What does electroencephalography (EEG) measure?
Electrical activity through voltage changes in brain regions (from ionic movement)
What's the resting membrane potential of a neuron?
Around -70 mV
Countless GW alumni have gone on to ______ oriented careers
Politics
For sodium/potassium pumps, how many sodium and potassium ions travel per pump? In what direction?
3 sodium ions travel out. 2 potassium ions travel inside the cell
"3-2-1 Nokia"
Which of the following synapses is the fastest: Chemical/electrical?
Electrical synapses
________ GWU alumni have been on the cover of time magazine
a. 5
b. 12
c. 17
d. 18
17
Voltage-clamp electrophysiology allows for measurements of (current/voltage) in response to (voltage/current) changes.
Current
Voltage changes
What type of channels are always open (even in resting neurons) and permit easy flow of a specific type of neuron?
Potassium leak channels
________, a TV actress who plays Olivia Pope in the ABC drama, Scandal, graduated from GWU in 1998.
Kerry Washington
What's the most important neurotransmitter for excitatory responses?
Glutamate
What do you call the spots on the periphery of the skin where adequate stimulus changes activity of a particular sensory fiber?
Receptive fields of touch receptors
The original GW cheer team was made up of all _______.
Men
NMDA receptors depend on what type of receptors to function?
AMPA
Both receptors are involved with excitatory responses
What type of cells respond to illumination by triggering signaling cascade involving G-proteins and cyclic-GMP?
Hint: Involves one of the 5 senses
Rods and cones (Photoreceptors)
_______ (Hint: it's in campus) has been used as the international press center during events such as treaty signings and conferences.
Smith Center (GWU basketball court