Lesson 25.2 Central Nervous System

Question 1

The _______________ is composed of the brain and the spinal cord.

Answer 1

central nervous system

Question 2

central nervous system

Answer 2

The central nervous system is composed of the brain and the spinal cord.

Question 3

Main functions of the central nervous system

Answer 3

○ control actions and thoughts
○ interpret stimuli
○ memory

Question 4

It is an organ that occupies the inside of the skull. It is the functional center of the nervous system.

Answer 4

The Brain

Question 5

The Brain

Answer 5

It is an organ that occupies the inside of the skull. It is the functional center of the nervous system.

Question 6

The brain is subdivided into four parts

Answer 6

brain stem, cerebrum, cerebellum, and diencephalon.

Question 7

Cerebrum is divided into lobes

Answer 7

○Frontal lobe
○Temporal lobe
○Parietal lobe
○Occipital lobe

Question 8

__________ is responsible for motor skills, cognition, and reasoning.

Answer 8

Frontal lobe (Cerebrum)

Question 9

Frontal lobe

Answer 9

is responsible for motor skills, cognition, and reasoning. (Cerebrum)

Question 10

Parietal lobe

Answer 10

is responsible for touch and processing of sensory signals. (Cerebrum)

Question 11

___________ is responsible for touch and processing of sensory signals.

Answer 11

Parietal lobe (Cerebrum)

Question 12

____________ is associated with hearing, memory, and speech.

Answer 12

Temporal lobe (Cerebrum)

Question 13

Temporal lobe

Answer 13

is associated with hearing, memory, and speech (Cerebrum)

Question 14

_____________ interprets visuals and colors.

Answer 14

Occipital lobe (Cerebrum)

Question 15

Occipital lobe

Answer 15

interprets visuals and colors. (Cerebrum)

Question 16

_________ is divided into left and right hemispheres by the __________. Right hemisphere controls the left side of the body; left hemisphere controls the right side of the body.

Answer 16

Cerebrum, corpus callosum

Question 17

The ______________ is located at the frontal lobe’s dorsal side. This is in charge of planning and generating movements.

Answer 17

primary motor cortex (Cerebrum)

Question 18

primary motor cortex

Answer 18

is located at the frontal lobe’s dorsal side. This is in charge of planning and generating movements. (Cerebrum)

Question 19

The ______________________ is located at the postcentral gyrus. This is in charge of receiving sensory inputs from the body.

Answer 19

primary somatosensory cortex (Cerebrum)

Question 20

primary somatosensory cortex

Answer 20

is located at the postcentral gyrus. This is in charge of receiving sensory inputs from the body. (Cerebrum)

Question 21

It consists of the medulla oblongata, pons, and the mesencephalon, and it is structurally continuous with the spinal cord.

Answer 21

Brain Stem

Question 22

Brain Stem

Answer 22

It consists of the medulla oblongata, pons, and the mesencephalon, and it is structurally continuous with the spinal cord.

Question 23

controls involuntary activities of various internal organs. Like breathing, heartbeat, cardiovascular functions, and digestion.

Answer 23

Medulla oblongata (Brain Stem)

Question 24

Medulla oblongata

Answer 24

controls involuntary activities of various internal organs. like breathing, heartbeat, cardiovascular functions, and digestion. (Brain Stem)

Question 25

_______________ or midbrain contains nerve paths that connect the cerebral hemispheres with the medulla oblongata.

Answer 25

Mesencephalon (Brain Stem)

Question 26

Mesencephalon

Answer 26

Mesencephalon or midbrain contains nerve paths that connect the cerebral hemispheres with the medulla oblongata. (Brain Stem)

Question 27

_____________________ is a group of nuclei and is scattered along the brainstem. It regulates sleep, formation of sensory habits, controls motor actions and pain.

Answer 27

Reticular formation (Brain Stem)

Question 28

Reticular formation

Answer 28

is a group of nuclei and is scattered along the brainstem. It regulates sleep, formation of sensory habits, controls motor actions and pain. (Brain Stem)

Question 29

This is second largest part of the brain found behind the cerebrum. It is responsible for fine-tuning the body and limb movements, and maintains the body balance.

Answer 29

Cerebellum

Question 30

Cerebellum

Answer 30

This is second largest part of the brain found behind the cerebrum. It is responsible for fine-tuning the body and limb movements, and maintains the body balance.

Question 31

It is located between the cerebrum and the midbrain. It is also known as the posterior of the forebrain.

Answer 31

Diencephalon

Question 32

Diencephalon

Answer 32

It is located between the cerebrum and the midbrain. It is also known as the posterior of the forebrain.

Question 33

Diencephalon parts includes

Answer 33

○thalamus ○epithalamus ○subthalamus ○hypothalamus

Question 34

_____________ receives information from the sensory organs and delivers that information to the cerebrum for other processes.

Answer 34

Thalamus (Diencephalon)

Question 35

Thalamus

Answer 35

receives information from the sensory organs and delivers that information to the cerebrum for other processes. (Diencephalon)

Question 36

Epithalamus

Answer 36

is in charge of secreting some hormones, as well as aiding in the control of emotions and movement. (Diencephalon)

Question 37

____________ is in charge of secreting some hormones, as well as aiding in the control of emotions and movement.

Answer 37

Epithalamus (Diencephalon)

Question 38

______________ is connected to the thalamus. It helps in controlling muscle responses.

Answer 38

Subthalamus (Diencephalon)

Question 39

Subthalamus

Answer 39

is connected to the thalamus. It helps in controlling muscle responses. (Diencephalon)

Question 40

________________ is the site of hunger, thirst, anger, and internal body temperature.

Answer 40

Hypothalamus (Diencephalon)

Question 41

Hypothalamus

Answer 41

is the site of hunger, thirst, anger, and internal body temperature. (Diencephalon)

Question 42

The Spinal Cord

Answer 42

It is a long, thin mass of bundled neurons enclosed by the bones of the spine called vertebrae. It is located at the base of the brain stem and runs the entire upper body. This serves as a bridge between the CNS and the PNS. It is responsible for delivering messages from the CNS to PNS and vice versa.

Question 43

It is a long, thin mass of bundled neurons enclosed by the bones of the spine called ___________. It is located at the base of the brain stem and runs the entire upper body. This serves as a bridge between the CNS and the PNS. It is responsible for delivering messages from the CNS to PNS and vice versa.

Answer 43

The spinal cord, vertebrae

Question 44

How many segments are there in the spinal cord

Answer 44

31

Question 45

How many segments in cervical

Answer 45

8

Question 46

The __________ segment is found at the level of the hips.

Answer 46

Sacral

Question 47

How many segments in thoracic

Answer 47

12

Question 48

How many segments in lumbar

Answer 48

5

Question 49

How many segments in sacral

Answer 49

5

Question 50

How many segments in caudal

Answer 50

1

Question 51

____________ are membranes that protect against shock, dehydration, and injury, and provide support for the nervous system. They coat the brain and spinal cord.

Answer 51

Meninges (Spinal Cord)

Question 52

Meninges

Answer 52

are membranes that protect against shock, dehydration, and injury, and provide support for the nervous system. They coat the brain and spinal cord. (Spinal cord)

Question 53

The Meninges has

Answer 53

Dura mater, Arachnoid mater, and Pia mater

Question 54

____________ is the outermost meninx.

Answer 54

Dura mater (Meninges)

Question 55

_____________ contains cerebrospinal fluid (CSF).

Answer 55

Arachnoid mater (Meninges)

Question 56

_____________ lies under CSF.

Answer 56

Pia mater

Question 57

CSF

Answer 57

Cerebrospinal fluid

Question 58

It coordinates motor signals and controls life-supporting autonomic functions of the peripheral system. It controls facial nerves for the facial expressions.

Answer 58

Brain Stem

Question 59

It coordinates motor signals and controls life-supporting autonomic functions of the peripheral system. It controls facial nerves for the facial expressions.

Answer 59

Brain Stem

Question 60

Brain Stem

Answer 60

It coordinates motor signals and controls life-supporting autonomic functions of the peripheral system. It controls facial nerves for the facial expressions.

Question 61

Brain Stem

Answer 61

It coordinates motor signals and controls life-supporting autonomic functions of the peripheral system. It controls facial nerves for the facial expressions.