Chp 11

Question 1

What is the primary function of the nervous system?

Answer 1

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

Question 2

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

Answer 2

True

Question 3

Fill in the blank: The __________ nervous system is responsible for involuntary actions.

Answer 3

autonomic

Question 4

What are the two main divisions of the peripheral nervous system?

Answer 4

Somatic nervous system and autonomic nervous system.

Question 5

Identify the part of the neuron that receives signals.

Answer 5

Dendrites

Question 6

What is the role of myelin in the nervous system?

Answer 6

To insulate axons and increase the speed of signal transmission.

Question 7

True or False: Sensory neurons carry signals from the brain to the body.

Answer 7

False

Question 8

What is a synapse?

Answer 8

The junction between two neurons where communication occurs.

Question 9

Fill in the blank: Neurotransmitters are chemicals that transmit signals across a __________.

Answer 9

synapse

Question 10

Name one function of the cerebellum.

Answer 10

To coordinate voluntary movements and maintain posture and balance.

Question 11

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

Answer 11

Cerebrum

Question 12

True or False: The brainstem controls basic life functions such as breathing and heart rate.

Answer 12

True

Question 13

What is the function of the thalamus?

Answer 13

To act as a relay station for sensory information.

Question 14

Identify the structure that connects the two hemispheres of the brain.

Answer 14

Corpus callosum

Question 15

What is the primary role of the spinal cord?

Answer 15

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

Question 16

Fill in the blank: The __________ is the outer layer of the brain.

Answer 16

cerebral cortex

Question 17

What is the function of the hypothalamus?

Answer 17

To regulate body temperature, hunger, and thirst.

Question 18

True or False: The limbic system is involved in emotions and memory.

Answer 18

True

Question 19

Name the protective membranes surrounding the brain.

Answer 19

Meninges

Question 20

What is the function of cerebrospinal fluid?

Answer 20

To cushion the brain and spinal cord and provide nutrients.

Question 21

Identify the neurotransmitter associated with mood regulation.

Answer 21

Serotonin

Question 22

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

Answer 22

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

Question 23

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

Answer 23

occipital

Question 24

True or False: The autonomic nervous system is further divided into the sympathetic and parasympathetic systems.

Answer 24

True

Question 25

What is the main role of the sympathetic nervous system?

Answer 25

To prepare the body for 'fight or flight' responses.

Question 26

Identify the area of the brain responsible for speech production.

Answer 26

Broca's area

Question 27

What is the role of the amygdala?

Answer 27

To process emotions, particularly fear and pleasure.

Question 28

Fill in the blank: The __________ is a part of the brain that helps regulate sleep-wake cycles.

Answer 28

pineal gland

Question 29

True or False: The peripheral nervous system includes cranial and spinal nerves.

Answer 29

True

Question 30

What is the primary function of motor neurons?

Answer 30

To carry signals from the central nervous system to muscles and glands.

Question 31

Identify the part of the neuron that transmits signals away from the cell body.

Answer 31

Axon

Question 32

What is a reflex arc?

Answer 32

The neural pathway that controls a reflex action.

Question 33

Fill in the blank: The __________ nervous system is responsible for voluntary movements.

Answer 33

somatic

Question 34

True or False: Glial cells support and protect neurons.

Answer 34

True

Question 35

What is the role of oligodendrocytes?

Answer 35

To produce myelin in the central nervous system.

Question 36

Identify the neurotransmitter that plays a key role in muscle contraction.

Answer 36

Acetylcholine

Question 37

What is the function of the basal ganglia?

Answer 37

To help regulate voluntary motor movements and procedural learning.

Question 38

Fill in the blank: The __________ lobe is involved in planning and decision-making.

Answer 38

frontal

Question 39

True or False: The brain can regenerate neurons throughout life.

Answer 39

False

Question 40

What is the role of Schwann cells?

Answer 40

To produce myelin in the peripheral nervous system.

Question 41

Identify the structure that contains the cell's genetic material in a neuron.

Answer 41

Nucleus

Question 42

What is the function of the cerebellum in motor control?

Answer 42

To fine-tune and coordinate movements.

Question 43

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

Answer 43

cerebrum

Question 44

True or False: The spinal cord is protected by vertebrae.

Answer 44

True

Question 45

What is the primary role of the frontal lobe?

Answer 45

To manage higher cognitive functions, such as reasoning and problem-solving.

Question 46

Identify the brain structure involved in balance and coordination.

Answer 46

Cerebellum

Question 47

What is the role of the occipital lobe?

Answer 47

To process visual information from the eyes.

Question 48

Fill in the blank: The __________ system is responsible for the body's response to stress.

Answer 48

sympathetic nervous

Question 49

True or False: The medulla oblongata regulates heart rate and blood pressure.

Answer 49

True

Question 50

What is the function of the sensory cortex?

Answer 50

To process sensory information from the body.