test 4///26-50 Flashcards
Part of the brain associated with body temperature control, water balance, and emotional responses
hypothalamus
Part of brain associated with memory
amygdala
Type of brain waves associated with deep sleep:
delta
People who spontaneously fall asleep have
narcolepsy
Parkinson’s patients have trouble with dopamine secretion from the
substantia nigra
Which of these does NOT impact the speed of an action potential?
neuron location
Several EPSPs arrive at a neuron from the same site. This is:
temporal summation
The resting membrane potential of a neuron is
-70 mv
The threshold potential of a neuron is:
-55 mv
A myelinated region of the nervous system is known as:
white matter
At the nodes of Ranvier in a myelinated axon, there is a high concentration of:
sodium channels
When a neuron receives EPSPs, the effect may decrease as it moves. This is :
graded potential
A neuron that carries information to the CNS is a :
sensory neuron
Which is the most common type of neurons?
multipolar
Saltatory conduction is where
myelin is present
Which is the main cause of synaptic delay?
slow action potential conduction
Which is NOT a neurotransmitter
a. acetylcholine b. serotonin c. dopamine d. epinephrine
all are