Neuron & Synapse Quiz

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Neuron & Synapse Quiz




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Slide1

Neuron & Synapse Quiz

SBI 4UIMrs. Tuma

Slide2

1. What part of the neuron receives messages

from other neurons?

(a) axon

(b) myelin

(c) dendrite

(d) Schwann cell

Slide3

2

. What structure is responsible for making myelin?

(a) axon

(b) Schwann cells

(c) dendrites

(d) synaptic knobs

Slide4

3. At a chemical synapse, ______________ are found

only on the plasma membrane of the

_____________ cell.

(a) neurotransmitters, post-synaptic

(b) receptor proteins, post-synaptic

(c) neurotransmitters, pre-synaptic

(d) receptor proteins, pre-synaptic

Slide5

4. In order for a neuron to maintain its resting

potential, which of the following must occur?

The neuron must…

(a) allow 3 Na

+

in for every 2 K

+

out

(b) allow 3 Na

+

out for every 2 K

+

in

(c) allow 2 Na

+

out for every 3 K

+

in

(d) allow Na to flood into the cell

Slide6

5. Which of the following best describes the state of a neuron at rest?

(a) The inside of a neuron is more negatively

charged than the outside.

(b) The outside of a neuron is more negatively

charged than the inside.

(c) The inside and outside of a neuron have the

same electrical charge.

(d) K

+

leak into the cell at rest.

Slide7

6. What is the term for the minimum level of

stimulus required for a neuron to depolarize (fire)?

(a) all-or-none principle

(b) refractory period

(c) action potential

(d) threshold potential

Slide8

7.

M

yelinated

neurons are able to transmit

information along the axon more quickly because

depolarization occurs only at the Nodes of

Ranvier.

(a) True

(b) False

Slide9

8. Which part of the neuron is responsible for

sending information along to other neurons?

(a) dendrites

(b) axon

(c) Schwann cells

(d) myelin sheath

Slide10

9. Which neurotransmitter is responsible for

skeletal muscle contraction?

(a) serotonin

(b) GABA

(c) acetylcholine

(d) dopamine

Slide11

10. Which neurotransmitter is responsible for

regulating mood?

(a) serotonin

(b) GABA

(c) acetylcholine

(d)

norepinephrine

Slide12

Check your Answers!

Slide13

1. What part of the neuron receives messages

from other neurons?

(a) axon

(b) myelin

(c) dendrite

(d) Schwann cell

Slide14

2. What structure is responsible for making myelin?

(a) axon

(b) Schwann cells

(c) dendrites

(d) synaptic knobs

Slide15

3. At a chemical synapse, ______________ are found

only on the plasma membrane of the

_____________ cell.

(a) neurotransmitters, post-synaptic

(b) receptor proteins, post-synaptic

(c) neurotransmitters, pre-synaptic

(d) receptor proteins, pre-synaptic

Slide16

4. In order for a neuron to maintain its resting

potential, which of the following must occur

?

The

n

euron must…

(a) allow 3 Na

+

in for every 2 K

+

out

(b) allow 3 Na

+

out for every 2 K

+

in

(c) allow 2 Na

+

out for every 3 K

+

in

(d) allow Na to flood into the cell

Slide17

5. Which of the following best describes the state of a neuron at rest?

(a) The inside of a neuron is more negatively

charged than the outside.

(b) The outside of a neuron is more negatively

charged than the inside.

(c) The inside and outside of a neuron have the

same electrical charge.

(d) K

+

leak into the cell at rest.

Slide18

6. What is the term for the minimum level of

stimulus required for a neuron to depolarize (fire)?

(a) all-or-none principle

(b) refractory period

(c) action potential

(d) threshold potential

Slide19

7.

Myelinated

neurons are able to transmit

information along the axon more quickly because

depolarization occurs only at the Nodes of

Ranvier.

(a) True

(b) False

Slide20

8. Which part of the neuron is responsible for

sending information along to other neurons?

(a)

dendrite

(b) axon

(c) Schwann cells

(d) myelin sheath

Slide21

9. Which neurotransmitter is responsible for

skeletal muscle contraction?

(a) serotonin

(b) GABA

(c) acetylcholine

(d) dopamine

Slide22

10. Which neurotransmitter is responsible for

regulating mood?

(a) serotonin

(b) GABA

(c) acetylcholine

(d) norepinephrine

Slide23

Slide24

Slide25

Slide26

Slide27

Slide28

Slide29


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