Nervous System

Question 1

What are the two main divisions of the nervous system?

Answer 1

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

Question 2

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

Answer 2

True.

Question 3

What is the primary function of the peripheral nervous system?

Answer 3

To connect the CNS to the limbs and organs.

Question 4

Fill in the blank: The ________ is responsible for processing sensory information.

Answer 4

brain

Question 5

What type of neurons transmit signals away from the CNS?

Answer 5

Efferent neurons.

Question 6

Which structure is primarily responsible for reflex actions?

Answer 6

The spinal cord.

Question 7

Multiple choice: Which part of the brain is involved in balance and coordination? A) Cerebrum B) Cerebellum C) Brainstem

Answer 7

B) Cerebellum.

Question 8

What is the role of the brainstem?

Answer 8

To regulate vital functions such as heartbeat and breathing.

Question 9

True or False: The autonomic nervous system is a part of the peripheral nervous system.

Answer 9

True.

Question 10

What are the two subdivisions of the autonomic nervous system?

Answer 10

Sympathetic and parasympathetic nervous systems.

Question 11

Fill in the blank: The ________ nervous system prepares the body for stressful situations.

Answer 11

sympathetic

Question 12

What is the primary function of the parasympathetic nervous system?

Answer 12

To promote rest and digestion.

Question 13

Multiple choice: Which glial cells provide support and nourishment to neurons? A) Oligodendrocytes B) Astrocytes C) Microglia

Answer 13

B) Astrocytes.

Question 14

What is myelin and its function?

Answer 14

Myelin is a fatty substance that insulates axons to speed up signal transmission.

Question 15

True or False: Neurons are the only cells in the nervous system.

Answer 15

False.

Question 16

What is the gap between two neurons called?

Answer 16

Synapse.

Question 17

Fill in the blank: The ________ lobe is responsible for processing visual information.

Answer 17

occipital

Question 18

What is the function of the thalamus?

Answer 18

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

Question 19

Multiple choice: Which part of the brain regulates emotions and memory? A) Cerebellum B) Limbic system C) Medulla oblongata

Answer 19

B) Limbic system.

Question 20

What is the role of the hypothalamus?

Answer 20

To regulate homeostasis and control the endocrine system.

Question 21

True or False: The spinal cord is protected by the vertebral column.

Answer 21

True.

Question 22

What are the three layers of protective membranes around the brain and spinal cord called?

Answer 22

Meninges.

Question 23

Fill in the blank: The ________ is the largest part of the human brain.

Answer 23

cerebrum

Question 24

What is the primary component of the white matter in the brain?

Answer 24

Myelinated axons.

Question 25

Multiple choice: Which structure connects the left and right hemispheres of the brain? A) Corpus callosum B) Cerebellum C) Thalamus

Answer 25

A) Corpus callosum.

Question 26

What is the primary function of sensory neurons?

Answer 26

To carry signals from sensory receptors to the CNS.

Question 27

What is the primary function of the nervous system?

Answer 27

To coordinate and control the body's activities by transmitting signals between different parts of the body.

Question 28

True or False: The nervous system is divided into the central nervous system and the peripheral nervous system.

Answer 28

True

Question 29

Fill in the blank: The central nervous system consists of the _____ and the _____ .

Answer 29

brain, spinal cord

Question 30

What are the two main types of cells in the nervous system?

Answer 30

Neurons and glial cells.

Question 31

What is the role of neurons?

Answer 31

To transmit information throughout the body.

Question 32

Multiple choice: Which part of the neuron receives signals from other neurons? A) Axon B) Dendrites C) Synapse

Answer 32

B) Dendrites

Question 33

What is the function of glial cells?

Answer 33

To support and protect neurons.

Question 34

True or False: The peripheral nervous system is responsible for processing information.

Answer 34

False

Question 35

What is the role of the spinal cord?

Answer 35

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

Question 36

Fill in the blank: The autonomic nervous system controls _____ functions.

Answer 36

involuntary

Question 37

What are the two branches of the autonomic nervous system?

Answer 37

Sympathetic and parasympathetic nervous systems.

Question 38

Multiple choice: Which branch of the autonomic nervous system is responsible for the 'fight or flight' response? A) Sympathetic B) Parasympathetic

Answer 38

A) Sympathetic

Question 39

What is the main function of the parasympathetic nervous system?

Answer 39

To promote the 'rest and digest' response.

Question 40

True or False: The somatic nervous system is responsible for voluntary movements.

Answer 40

True

Question 41

Fill in the blank: The _____ nervous system connects the central nervous system to skeletal muscles.

Answer 41

somatic

Question 42

What is the primary neurotransmitter used by the sympathetic nervous system?

Answer 42

Norepinephrine.

Question 43

Multiple choice: Which of the following is NOT a function of the nervous system? A) Sensory input B) Motor output C) Blood circulation

Answer 43

C) Blood circulation

Question 44

What is a reflex arc?

Answer 44

A neural pathway that controls a reflex action.

Question 45

True or False: Reflex actions are processed in the brain.

Answer 45

False

Question 46

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

Answer 46

occipital

Question 47

What is the role of the hypothalamus?

Answer 47

To regulate homeostasis and control the autonomic nervous system.

Question 48

Multiple choice: Which part of the brain is involved in balance and coordination? A) Cerebrum B) Cerebellum C) Brainstem

Answer 48

B) Cerebellum

Question 49

What is neuroplasticity?

Answer 49

The ability of the nervous system to change and adapt in response to experience.

Question 50

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

Answer 50

True

Question 51

Fill in the blank: _____ are the gaps in the myelin sheath that facilitate rapid signal transmission.

Answer 51

Nodes of Ranvier

Question 52

What is the primary function of the limbic system?

Answer 52

To regulate emotions and memory.

Question 53

Multiple choice: Which structure is known as the 'master gland' of the endocrine system? A) Pituitary gland B) Thyroid gland C) Adrenal gland

Answer 53

A) Pituitary gland