Lecture Quizzes

Question 1

Synaptic strength can vary. (true/false)

Answer 1

True

Question 2

A single action potential in a presynaptic neuron is usually enough to get a post-synaptic cell to fire an action potential. (true/false)

Answer 2

False

Question 3

What neurotransmitter binds to the AMPA receptor?

Answer 3

Glutamate

Question 4

What neurotransmitter binds to the M2 receptor?

Answer 4

Acetylcholine (ACh)

Question 5

What type of receptor is the M3 receptor?

Answer 5

Gq protein-coupled receptor

Question 6

Which division of the nervous system is also called the thoracolumbar division?

Answer 6

Sympathetic nervous system

Question 7

Which receptor is on adrenal medulla cells?

Answer 7

Nicotinic Receptors

Question 8

What is the primary excitatory neurotransmitter in the spinal cord?

Answer 8

Glutamate

Question 9

Pre-ganglionic sympathetic neurons release what neurotransmitter?

Answer 9

Acetylcholine (ACh)

Question 10

What adrenergic receptor causes smooth muscle relaxation?

Answer 10

Beta 2

Question 11

What adrenergic recceptor causes smooth muscle contraction?

Answer 11

alpha 1

Question 12

What receptor on the heart causes heart rate to increase?

Answer 12

Beta 1 adrenergic receptor

Question 13

What receptor on the heart causes heart rate to decrease?

Answer 13

M2 muscarinic receptor

Question 14

Golf proteins are most similar to which proteins?

Answer 14

Gs proteins

Question 15

What is the receptor for sweet on taste cells?

Answer 15

Gs protein-coupled receptor

Question 16

What nerve innervates the taste cells on top of the tongue?

Answer 16

Facial nerve

Question 17

Synaptotagmin is a calcium-binding protein. (true/false)

Answer 17

True

Question 18

At the highest point of the action potential, the membrane is most permeable to which ion?

Answer 18

Sodium

Question 19

What causes the inactivation gate of the voltage-gated sodium channel to close?

Answer 19

Depolarization

Question 20

At resting membrane potential, the current due to sodium flux is equal to the negative of the current due to potassium flux. (true/false)

Answer 20

True

Question 21

The excess negative charge inside cells is distributed throughout the cytoplasm. (true/false)

Answer 21

False

Question 22

What would opening sodium channels do to the membrane potential?

Answer 22

Become more positive

Question 23

Increasing the intracellular concentration of sodium and a non-permeable anion would cause the membrane potential to…

Answer 23

Become more negative

Question 24

What is a collection of neuronal cell bodies in the peripheral nervous system called?

Answer 24

Ganglion

Question 25

What is a bundle of axons in the peripheral nervous system called?

Answer 25

Nerve

Question 26

What is a bundle of axons in the central nervous system called?

Answer 26

Tract

Question 27

What glial cell makes myelin in the central nervous system?

Answer 27

Oligodendrocytes

Question 28

What is the motor protein that carry cargo from the soma of a neuron to the axon terminal?

Answer 28

Kinesins

Question 29

The alpha subunit of the Gi-protein bind to...

Answer 29

Adenylyl Cyclase

Question 30

JAK is in the signal transduction pathway for which recpetor?

Answer 30

Gq protein-coupled receptors