nervous system

Question 1

What is the primary function of the nervous system?

Answer 1

To transmit signals between different parts of the body and coordinate bodily functions.

Question 2

What are the two main divisions of the nervous system?

Answer 2

Central Nervous System (CNS) and Peripheral Nervous System (PNS).

Question 3

True or False: The brain is part of the Central Nervous System.

Answer 3

True.

Question 4

What are the three main parts of the brain?

Answer 4

Cerebrum, cerebellum, and brainstem.

Question 5

Fill in the blank: The _______ is responsible for balance and coordination.

Answer 5

Cerebellum.

Question 6

What is the function of neurons?

Answer 6

To transmit information throughout the body via electrical and chemical signals.

Question 7

What part of the brain controls vital functions such as breathing and heart rate?

Answer 7

Brainstem.

Question 8

Which lobe of the brain is responsible for processing visual information?

Answer 8

Occipital lobe.

Question 9

What is the largest part of the human brain?

Answer 9

Cerebrum.

Question 10

True or False: The frontal lobe is involved in decision making and problem-solving.

Answer 10

True.

Question 11

What is the role of the parietal lobe?

Answer 11

To process sensory information such as touch, temperature, and pain.

Question 12

Fill in the blank: The _______ lobe is primarily responsible for auditory processing.

Answer 12

Temporal.

Question 13

What are glial cells?

Answer 13

Supportive cells in the nervous system that help maintain homeostasis, form myelin, and provide support and protection for neurons.

Question 14

What is myelin?

Answer 14

A fatty substance that surrounds and insulates the axons of some neurons, increasing the speed of signal transmission.

Question 15

What is the synapse?

Answer 15

The junction between two neurons where information is transmitted.

Question 16

True or False: The brain can generate new neurons throughout life.

Answer 16

True, but primarily in specific regions like the hippocampus.

Question 17

What is the function of the thalamus?

Answer 17

To relay sensory and motor signals to the cerebral cortex.

Question 18

Fill in the blank: The _______ is involved in regulating emotions and memory.

Answer 18

Limbic system.

Question 19

What is the role of the hypothalamus?

Answer 19

To regulate bodily functions such as temperature, hunger, and sleep.

Question 20

Which part of the brain is responsible for higher cognitive functions?

Answer 20

Cerebrum.

Question 21

What is an action potential?

Answer 21

A rapid rise and fall in the electrical membrane potential of a neuron.

Question 22

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

Answer 22

Somatic.

Question 23

True or False: The autonomic nervous system regulates involuntary body functions.

Answer 23

True.

Question 24

What are the two branches of the autonomic nervous system?

Answer 24

Sympathetic and parasympathetic nervous systems.

Question 25

What is the function of the sympathetic nervous system?

Answer 25

To prepare the body for 'fight or flight' in response to stress.

Question 26

What does the parasympathetic nervous system do?

Answer 26

Promotes 'rest and digest' functions.

Question 27

Fill in the blank: The _______ is the part of the brain that connects the brain to the spinal cord.

Answer 27

Brainstem.

Question 28

What is the cerebellum primarily responsible for?

Answer 28

Coordination of voluntary movements and balance.

Question 29

What are neurotransmitters?

Answer 29

Chemical messengers that transmit signals across a synapse from one neuron to another.

Question 30

Fill in the blank: The _______ lobe is associated with reasoning and planning.

Answer 30

Frontal.

Question 31

True or False: The corpus callosum connects the two hemispheres of the brain.

Answer 31

True.

Question 32

What is the function of the medulla oblongata?

Answer 32

To control autonomic functions such as heartbeat and breathing.

Question 33

Which lobe of the brain is involved in language comprehension?

Answer 33

Temporal lobe.

Question 34

What is the primary role of the spinal cord?

Answer 34

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

Question 35

Fill in the blank: The _______ is a protective layer surrounding the brain and spinal cord.

Answer 35

Meninges.

Question 36

What is a reflex arc?

Answer 36

The neural pathway that mediates a reflex action.

Question 37

True or False: The left hemisphere of the brain is typically associated with logical thinking.

Answer 37

True.

Question 38

What is the role of the occipital lobe?

Answer 38

To process visual information.

Question 39

Fill in the blank: The _______ system is responsible for processing emotions and memory.

Answer 39

Limbic.

Question 40

What is the primary function of the somatic nervous system?

Answer 40

To control voluntary movements of skeletal muscles.

Question 41

True or False: The brain can fully heal after a serious injury.

Answer 41

False.

Question 42

What is the role of the frontal lobe in personality?

Answer 42

It is involved in decision making, problem-solving, and controlling behavior.

Question 43

Fill in the blank: The _______ is the structure that regulates the sleep-wake cycle.

Answer 43

Hypothalamus.

Question 44

What is the primary role of the cerebellum?

Answer 44

To coordinate muscle movements and maintain posture and balance.

Question 45

True or False: All neurons have the same structure.

Answer 45

False.

Question 46

What is the function of sensory neurons?

Answer 46

To transmit sensory information from receptors to the central nervous system.

Question 47

Fill in the blank: The _______ neurons transmit signals from the CNS to muscles and glands.

Answer 47

Motor.

Question 48

What is the role of interneurons?

Answer 48

To connect sensory and motor neurons and process information within the CNS.

Question 49

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

Answer 49

False.

Question 50

What are the primary components of the brainstem?

Answer 50

Midbrain, pons, and medulla oblongata.

Question 51

What is the main function of the pons?

Answer 51

To relay signals between the cerebellum and the cerebrum and regulate sleep.

Question 52

Fill in the blank: The _______ is the part of the brain responsible for higher-level cognitive functions.

Answer 52

Cerebrum.

Question 53

What is the role of the basal ganglia?

Answer 53

To regulate voluntary motor movements, procedural learning, and routine behaviors.

Question 54

True or False: The right hemisphere of the brain is typically associated with creative thinking.

Answer 54

True.

Question 55

What is the function of the amygdala?

Answer 55

To process emotions, particularly fear and pleasure.

Question 56

Fill in the blank: The _______ helps regulate the body's response to stress.

Answer 56

Hypothalamus.