Final Quiz Review

Question 1

Which process most likely results in synaptic pruning?

Answer 1

Long term depression

Question 2

Which process most likely involves CREB phosphorylation?

Answer 2

Long term Potentiation

Question 3

Which process most likely involves activation of protein phosphates?

Answer 3

Long term depression

Question 4

Which process results from a 1 Hz glutamate exposure?

Answer 4

Long term depression

Question 5

Which process most likely involves the production of peroxynitrate?

Answer 5

Excitoxicity

Question 6

Which process most likely to result in DNA damage?

Answer 6

Excitotoxity

Question 7

Which process results from highest possible glutamate exposure?

Answer 7

Excitotoxicity

Question 8

Which process most likely involves production of cAMP?

Answer 8

Long term potentiation

Question 9

Which process results from a 100 Hz glutamate exposure

Answer 9

long term potentiation

Question 10

Which process most likely results in increased AMPA receptor number?

Answer 10

Long term potentiation

Question 11

What is actin?

Answer 11

Cytoskeletal element responsible for movement of filopodia

Question 12

What is Netrin?

Answer 12

Chemoattractant that draws axonal growth cones toward the midline

Question 13

What is Robo?

Answer 13

Receptor that when activated prevents DCC receptor activation

Question 14

What is Semaphorin?

Answer 14

Chemoreceptor that causes the axonal growth cone to move away from midline

Question 15

What is PAR protein?

Answer 15

Selectively expressed in neutrites that will become axons

Question 16

What is neurexin?

Answer 16

Protein responsible for clustering of synaptic vesicles

Question 17

What is neuroligin?

Answer 17

Protein responsible for clustering of receptors

Question 18

What is a microtubule?

Answer 18

Cytoskeletal element that spans the entire elongating axon

Question 19

What is neurotrophin?

Answer 19

Molecule required to maintain a synapse after it has already been formed

Question 20

What is CAM?

Answer 20

involved in axon fasciculation

Question 21

T/F: Hebb’s postulate states that synapses in which both neurons have synchronized activity will be retained

Answer 21

True

Question 22

T/F: After birth, the brain primarily matures by creating new neurons

Answer 22

False

Question 23

T/F: A critical period refers to the time Fram during which an organism is able to develop a specific behavior

Answer 23

True

Question 24

T/F: The critical period for peer social skills occur prior to the critical period for visual development

Answer 24

False

Question 25

T/F: Critical periods for different behaviors typically occur at the same time & have similar lengths

Answer 25

False

Question 26

T/F: Keeping eyes continuously shut early in life prevents the formation of ocular dominance columns

Answer 26

True

Question 27

T/F: During esotropia, inputs from both eyes to visual cortex remain active

Answer 27

False

Question 28

T/F: As it relates to critical periods, sign language exhibits similar patterns as spoken language

Answer 28

True

Question 29

T/F: Calcium entry through ion channels is important for establishing behaviors associated with critical periods

Answer 29

True

Question 30

T/F: There is no evidence that hearing exhibits a critical period

Answer 30

false

Question 31

T/F: Following a brain injury, neurogenesis in the sub ventricular zone returns to levels observed in utero

Answer 31

False

Question 32

T/F: After an injury, Schwann cells prevent axon growth in the peripheral nervous system

Answer 32

False

Question 33

T/F: NMDA receptor activation contributes to neuron death during traumatic brain injury

Answer 33

True

Question 34

T/F: Many of the same molecules involved in synapse formation are involved in nervous tissue repair

Answer 34

True

Question 35

T/F: Following a stroke, damage to any brain region will typically regerate

Answer 35

False

Question 36

T/F: A patient exhibits motor dysfunction following a stroke. It is possible for this patient to gradually regain some of this motor function

Answer 36

true

Question 37

T/F: If an axon in the peripheral nervous system is damaged, it can repair itself

Answer 37

True

Question 38

T/F: The olfactory bulb does not regenerate following damage

Answer 38

False

Question 39

T/F: In the peripheral neurons, trophic factors from target cells immediately stop being released

Answer 39

False

Question 40

T/F: Following an injury in the central nervous system, glia release chemorepellant molecules

Answer 40

True