Quiz #2 Questions and Answers Flashcards
Which of the following is part of the parietal lobe of the human brain?
somatosensory cortex
When a neuron is described as “at rest,” the intracellular fluid of a neuron has nearly twenty times ________ than does the extracellular fluid surrounding the neuron; this concentration gradient is crucial for the establishment of the resting potential.
more potassium
The spinal cord does not
regulate body temperature
Which of the following sequences correctly describes the typical order of flow of a neural signal?
dendrite->soma->axon->axon terminal
. The term spike, when used to refer to a neuron, is synonymous with
action potential
Which of the following structures is not part of the hindbrain?
thalamus
The fatty substance that insulates the axon of a neuron is known as
myelin
What almond-shaped structure inside the temporal lobe is crucial for the experience and expression of emotions in humans?
amygdala
Which of the following effects would not be caused by a drug that is classified as an agonist?
increasing the rate of reuptake of the neurotransmitter by the presynaptic cell
Portions of the cell membrane of a neuron that are specialized to allow particular atoms to diffuse across the membrane are called
ion channels