Nervous System

Question 1

These are specialized cells that can receive and transmit chemical or electrical signals

Answer 1

Neurons

Question 2

These are cells that provide support functions for the neurons by playing an information processing role that is complementary to neurons

Answer 2

Glia Cells

Question 3

These are bundles of nervous tissue that often contains axons wrapped in connective tissue

Answer 3

Nerves

Question 4

What are the two parts that consists of the Central Nervous System

Answer 4

Brain
Spinal Cord

Question 5

It is a structure of that processes information, composed of inter-connected neurons and glial cells

Answer 5

Brain

Question 6

It is a structure that transmits information, consisting of a thick bundle of nerve tissue that carries information about the body to the brain, brain to the body

Answer 6

Spinal Cord

Question 7

What type of Nervous System collects the information and sends command, containing nerves that extend to and from the spinal cord

Answer 7

Peripheral Nervous System

Question 8

What type of Nervous System where information is integrated and processed

Answer 8

Central Nervous System

Question 9

It collects sensory information from the body and transmit it to the CNS also called as sensory nerves

Answer 9

Afferent Nerves

Question 10

It carries the commands from the CNS to the body, also called as the motor nerves

Answer 10

Efferent Nerves

Question 11

What animal does not have a nervous system

Answer 11

Sea Sponges

Question 12

Cnidarians lack a true brain but have a system of separate but connected neurons that is called a

Answer 12

Nerve Net

Question 13

It is part of the insect nervous system that can control movement and behavior without input from the brain

Answer 13

Ganglia

Question 14

What are the three different classes of neurons

Answer 14

Afferent Neurons
Efferent Neurons
Interneurons

Question 15

It brings messages to CNS, to brain and spinal cord (Afferent)

Answer 15

Afferent Neurons / Sensory Neurons

Question 16

It carries messages from CNS, from brain and spinal cord to body (Efferent)

Answer 16

Efferent Neurons / Motor Neurons

Question 17

It is only found in the CNS, it connect one neuron to another, It receives information from other neurons

Answer 17

Interneurons

Question 18

What are the Functions of the Nervous System

Answer 18

Sensory Function
Transmits information
Integration Function
Motor Function
Controls all the body functions

Question 19

It is the Basic functional unit of the nervous system and transmits impulses up to 250 mph

Answer 19

Neuron

Question 20

Parts of the Neuron

It receives stimulus and carries its impulses towards the cell body

Answer 20

Dendrite

Question 21

Parts of the Neuron

It consists of nucleus and most of cytoplasm

Answer 21

Cell body with nucleus

Question 22

Parts of the Neuron

It is a fiber which carries impulses away from the cell body

Answer 22

Axon

Question 23

Parts of the Neuron

These are cells which produce myelin or fat layer in the Peripheral Nervous System

Answer 23

Schwann Cells

Question 24

Parts of the Neuron

It is a dense lipid layer which insulates the axon, and it makes it look gray

Answer 24

Myelin Sheath

Question 25

Parts of the Neuron These are gaps of nodes in the myelin sheath

Answer 25

Node of Ranvier

Question 26

Examples of The Nervous System is responsible for the intelligence of the animals

Answer 26

Fish, Birds, Reptiles, Amphibians, Mammals

Question 27

Vertebrates Nervous System: it controls body temperature, reproductive functions, eating, sleeping, and the display of emotions.

Answer 27

Prosencephalon (forebrain)

Question 28

Vertebrates Nervous System: It is a relay system, transmitting information necessary for vision and hearing

Answer 28

Mesencephalon (midbrain)

Question 29

Vertebrates Nervous System: Its main functions include sleep, respiration, motor coordination and organization, and reflexes.

Answer 29

Rhombencephalon (hindbrain)

Question 30

Invertebrates Nervous System: Echinodermata

Answer 30

Epidermal Nerve Net

Question 31

Invertebrates Nervous System: Platyhelminthes and Annelida

Answer 31

Longitudinal Nerve Cords

Question 32

Invertebrates Nervous System: Cephalopod Mollusks

Answer 32

Ganglia

Question 33

Invertebrates Nervous System: Antropods

Answer 33

Segmental Ganglia

Question 34

Invertebrates Nervous System: Nematoda

Answer 34

Nerve Ring

Question 35

Invertebrates Nervous System: Porifera has no true Nervous System but it has a

Answer 35

Oscula

Question 36

It protects the Brain

Answer 36

Cranium / Skull

Question 37

What are the six main sections of the brain:

Answer 37

Cerebrum Cerebellum Diencephalon Midbrain Pons Medulla Oblongata

Question 38

What are the four lobes of the Cerebrum:

Answer 38

Frontal (reasoning) Parietal (sensory information) Temporal (auditory information) Occipital (Visual Information)

Question 39

Functions of the Cerebellum:

Answer 39

Muscle Coordination Balance Posture Muscle Tone

Question 40

Two structures of the Diencephalon:

Answer 40

Thalamus (directs sensory impulses to the cerebrum) Hypothalamus (Controls and regulates temperature, appetite, etc…)

Question 41

Midbrain function:

Answer 41

Eye and Auditory reflexes

Question 42

Function of the Pons:

Answer 42

Reflex Actions ex: chewing, tasting

Question 43

Function of the Medulla Oblongata:

Answer 43

Digestion Respiration Swallowing Coughing Sneezing Blood Pressure

Question 44

What are the four regions of the spinal cord

Answer 44

Cervical Thoracic Lumbar Spinal Nerves

Question 45

What are the two systems in the PNS

Answer 45

Somatic Autonomic

Question 46

What are the two systems of the Autonomic Nervous System:

Answer 46

Sympathetic Nervous System Parasympathetic Nervous System

Question 47

What are the two systems of the Autonomic Nervous System: Revs up the body to either defend or escape

Answer 47

Sympathetic Nervous System

Question 48

What are the two systems of the Autonomic Nervous System: Brings all systems of the body back to normal

Answer 48

Parasympathetic Nervous System