Nervous System Flashcards

1
Q

What is the basic functional unit of the nervous system?

A

Neuron

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2
Q

True or False: The central nervous system consists of the brain and spinal cord.

A

True

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3
Q

Fill in the blank: The _______ nervous system controls voluntary muscle movements.

A

Somatic

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4
Q

What type of neuron carries signals from sensory receptors to the central nervous system?

A

Sensory neuron

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5
Q

Which part of the neuron receives signals from other neurons?

A

Dendrites

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6
Q

What is the role of the myelin sheath?

A

To insulate the axon and speed up signal transmission

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7
Q

Multiple choice: Which structure is responsible for processing and relaying information in the brain?
A) Axon
B) Synapse
C) Thalamus
D) Dendrite

A

C) Thalamus

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8
Q

What is the gap between two neurons called?

A

Synapse

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9
Q

True or False: The autonomic nervous system is under voluntary control.

A

False

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10
Q

What are neurotransmitters?

A

Chemical messengers that transmit signals across a synapse

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11
Q

Fill in the blank: The _______ lobe of the brain is primarily responsible for processing visual information.

A

Occipital

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12
Q

What is the function of the cerebellum?

A

To coordinate voluntary movements and maintain balance

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13
Q

Multiple choice: Which of the following is NOT a part of the brainstem?
A) Medulla Oblongata
B) Pons
C) Hippocampus
D) Midbrain

A

C) Hippocampus

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14
Q

What is the primary function of the spinal cord?

A

To transmit signals between the brain and the rest of the body

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15
Q

True or False: The sympathetic nervous system prepares the body for ‘rest and digest’ activities.

A

False

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16
Q

What does the term ‘plasticity’ refer to in the nervous system?

A

The ability of the brain to change and adapt in response to experience

17
Q

Fill in the blank: The _______ nervous system is responsible for involuntary body functions.

18
Q

What is an action potential?

A

A rapid change in electrical charge that travels along the axon of a neuron

19
Q

Multiple choice: Which part of the neuron transmits signals away from the cell body?
A) Dendrite
B) Soma
C) Axon
D) Synapse

20
Q

What role do glial cells play in the nervous system?

A

They support, protect, and nourish neurons.