Chapter 4 Part 3

Question 1

Neurotransmitter that initiates muscle contraction in PNS; memory

Answer 1

Acetylcholine

Question 2

Neurotransmitter that initiates excitation of CNS

Answer 2

Glutamate

Question 3

Neurotransmitter that inhibits CNS activity

Answer 3

GABA

Question 4

Neurotransmitter that is in charge of motor control, brain reward system

Answer 4

Dopamine

Question 5

Neurotransmitter that excites heart; fight or flight response

Answer 5

Epinephrine

Question 6

Neurotransmitter in charge of attention, alertness, mood

Answer 6

Norepinephrine

Question 7

Neurotransmitter that excites/inhibits nervous system

Answer 7

Serotonin

Question 8

Step 1 of reflex arc

Answer 8

Stimulus activates receptors

Question 9

Step 2 of reflex arc

Answer 9

Receptors fire action potentials

Question 10

Step 3 of reflex arc

Answer 10

Sensory neuron synapses with motor neuron

Question 11

Step 4 of reflex arc

Answer 11

Motor neuron fires action potentials to muscle

Question 12

Step 5 of reflex arc

Answer 12

Spinal interneuron inhibits firing of action potentials to opposite muscle

Question 13

Step 6 of reflex arc

Answer 13

Reflex occurs