Nervous System Flashcards

1
Q

What are the two main divisions of the nervous system?

A

The central nervous system (CNS) and the peripheral nervous system (PNS).

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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 basic functional unit of the nervous system is the ______.

A

neuron.

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4
Q

What is the primary function of the brain?

A

To process information and coordinate bodily functions.

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5
Q

Which part of the brain is responsible for regulating balance and coordination?

A

The cerebellum.

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6
Q

Multiple Choice: Which of the following is NOT a function of the autonomic nervous system? A) Heart rate regulation B) Voluntary muscle movement C) Digestion regulation

A

B) Voluntary muscle movement.

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7
Q

What is the role of the spinal cord?

A

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

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8
Q

True or False: The peripheral nervous system includes sensory and motor neurons.

A

True.

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9
Q

Fill in the blank: The ______ nervous system controls involuntary actions and regulates internal organs.

A

autonomic.

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10
Q

What are the two subdivisions of the autonomic nervous system?

A

The sympathetic nervous system and the parasympathetic nervous system.

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11
Q

Multiple Choice: Which of the following is primarily involved in the ‘fight or flight’ response? A) Parasympathetic nervous system B) Sympathetic nervous system C) Somatic nervous system

A

B) Sympathetic nervous system.

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12
Q

What type of neuron carries signals from sensory receptors to the CNS?

A

Sensory neurons.

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13
Q

True or False: Neurotransmitters are chemicals that transmit signals across synapses.

A

True.

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14
Q

What is the function of glial cells?

A

To support and protect neurons.

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15
Q

Fill in the blank: The ______ is the largest part of the brain and is responsible for higher brain functions.

A

cerebrum.

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16
Q

What part of the brain controls essential functions like breathing and heart rate?

A

The brainstem.

17
Q

Multiple Choice: Which lobe of the brain is primarily responsible for processing visual information? A) Frontal lobe B) Occipital lobe C) Temporal lobe

A

B) Occipital lobe.

18
Q

What is the term for the protective covering of the brain and spinal cord?

A

Meninges.

19
Q

True or False: The blood-brain barrier protects the brain from harmful substances in the bloodstream.

A

True.

20
Q

Fill in the blank: The ______ nervous system is responsible for voluntary control of skeletal muscles.

A

somatic.

21
Q

What is the primary role of the hypothalamus?

A

To regulate homeostasis and control the endocrine system.

22
Q

Multiple Choice: Which of the following is a function of the limbic system? A) Motor control B) Emotional regulation C) Visual processing

A

B) Emotional regulation.

23
Q

What is the role of the corpus callosum?

A

To connect the left and right hemispheres of the brain.

24
Q

True or False: Myelin sheath increases the speed of nerve impulse conduction.

A

True.

25
Q

Fill in the blank: The ______ is responsible for forming new memories.

A

hippocampus.

26
Q

What is the function of the thalamus?

A

To relay sensory information to the appropriate areas of the brain.

27
Q

What are the 3 main types of neurone?

A

Sensory, relay, motor

28
Q

What can change neurones and their connections?

A

Alcohol, drugs, accidents & disease.

29
Q

What are 6 reflex actions in babies?

A

Rooting, Moro, startle, tonic neck, grasp, stepping.

30
Q

The enteric nervous system is part of the automatic nervous system. True or false.

A

True.

31
Q

Explain: Reflex actions.

A

Stimulus - receptor - sensory neurone - relay neurone - motor neurone - effector - response