Principles of CNS Pharmacology

Question 0

The function of neurons

Answer 0

Process information

Question 1

Percentage of the body’s energy supply that the brain consumes

Answer 1

About 20%

Question 2

The gap between neurons that allows transmission from one neuron to another

Answer 2

synapse

Question 3

Neuron type that responds to a stimulus

Answer 3

sensory neuron

Question 4

Neuron type that elicits a response

Answer 4

Motor neuron

Question 5

Neuron type that integrates signals and makes connections with other neurons

Answer 5

Interneurons

Question 6

Portion of neurons that forms grey matter

Answer 6

cell bodies

Question 7

Multiple fine processes that extend from the cell body and recieve synaptic contacts from other neurons

Answer 7

dendrites

Question 8

One process that extends from the cell body and sends info to other neurons

Answer 8

Axon

Question 9

Portions of neurons that make up white matter

Answer 9

Axons

Question 10

The highly specialized anatomical feature designed specifically to allow neurons to transmit info to other neurons

Answer 10

Presynaptic terminal

Question 11

Ion that is relatively permeable through the neuron cell membrane and has a higher concentration inside the cell than outside

Answer 11

K+

Question 12

The trigger zone of the neuron where integrations occur

Answer 12

Axon hillock

Question 13

A brief all or none depolarization and repolarization of the membrane potential due to the activation of voltage sensitive Na+ channels

Answer 13

action potential

Question 14

When several excitatory postsynaptic potentials arrive at the axon hillock simultaneously

Answer 14

Spatial summation

Question 15

When post synaptic potentials created at the same synapse in rapid succession can be summed

Answer 15

Temporal summation

Question 16

Small organelles that store neurotransmitters

Answer 16

synaptic vesicles

Question 17

The major excitatory neurontransmitter in the brain

Answer 17

Glutamate

Question 18

Inotropic glutamate receptor that is only permeable to Na+ and responds at normal resting potential

Answer 18

AMPA receptors

Question 19

Inotropic glutamate receptors that are permeable to Na+ and Ca2+ and respond at depolarized potentials

Answer 19

NMDA receptors

Question 20

What blocks NMDA receptors from opening at normal resting potential

Answer 20

MG2+

Question 21

Pharmacologic agents that promote the conversion of plasminogen to plasmin

Answer 21

Thrombolytic agents

Question 22

The key structural protein in most blood clots

Answer 22

Fibrin