Nervous System Chapter 9

Question 1

Cerebral lobes to function

Answer 1

Occipital- visual
Parietal- courteous thought and speech
Frontal- smell (sensory)
Temporal- auditory

Question 2

Efferent nerves

Answer 2

Efferent nerves, also known as motor neurons, are nerve fibers that carry signals from the central nervous system (CNS) to muscles, glands, and other organs

Question 3

Afferent nerves

Answer 3

Transmit impulses to the spinal cord/brain from the body

Question 4

Parkinson’s is a nervous system disorder resulting in a deficiency of which neurotransmitter?

Answer 4

Dopamine

Question 5

Outer membrane surrounding individual nerve fibers within a nerve

Answer 5

Endoneurium

Question 6

Outermost covering of a nerve

Answer 6

Epineurium

Question 7

Name of the junction gap between axon and dendrites of another neuron

Answer 7

Synapse

Question 8

Connecting neurons are also known as

Answer 8

Interneurons

Question 9

A nerve is a group of?

Answer 9

Peripheral axons

Question 10

Simplest nervous system pathway

Answer 10

Two Neuron pathway

Question 11

The PNS includes

Answer 11

Cranial nerves
Spinal nerves
Somatic nervous system
Autonomic nervous system
-sympathetic
-parasympathetic

Question 12

Thalamus facts

Answer 12

Dumbbell shaped - gray matter

Relays sensory impulses to cerebral cortex

Assists in emotions, pleasant and unpleasant

Question 13

Somatic nervous system carries impulses from the brain and spinal cord to what muscle?

Answer 13

Skeletal

Question 14

Flow of ions durring an impulse

Answer 14

Sodium ions flow in and cause the action potential, and then potassium ions flow out to reset the resting potential.

Question 15

The eye is considered part of the ? Nervous system

Answer 15

Peripheral nervous system

Question 16

Parts of the CNS

Answer 16

Brain and spinal cord

Question 17

Gila name limited to the CNS

Answer 17

Oligodendrocytes

Question 18

Perineurium

Answer 18

A thin fibrous tissue surrounding a group (fascicle) of nerve fibers

Question 19

Hypothalamus

Answer 19

Helps regulate temp
Helps regulate water balance
Plays a part in arousal or alerting

Question 20

Motor neurons are also known as

Answer 20

Efferent neurons

Question 21

Parkinson’s is a nervous system disorder resulting from a deficiency of which neurotransmitters?

Answer 21

Dopamine

Question 22

The outer membrane surrounding individual fibers within a nerve

Answer 22

Endoneurium

Question 23

Outermost covering of a nerve is called

Answer 23

Epineurium

Question 24

Name of the junction gap between axon and dendrite

Answer 24

Synapse

Question 25

Another name for “connecting neurons”

Answer 25

Interneurons

Question 26

A group of peripheral axons is a

Answer 26

Nerve

Question 27

A two neuron pathway

Answer 27

Most simple nervous system pathway

Question 28

The peripheral nervous system includes

Answer 28

Cranial nerves
Spinal nerves
The automatic nervous system

Question 29

Functions of the thalamus

Answer 29

Relays impulses to the central cortex from sense organs
Plays a part in the arousal or alerting
Associates sensations with emotions

Question 30

Somatic nervous system carries impulses from the brain and spinal cord to

Answer 30

Skeletal muscles

Question 31

Spinal cord statements

Answer 31

Contains Both gray and white matter
Transmits impulses to/from the brain
Is the primary reflex center

Question 32

Dendrites look like

Answer 32

Highly “branches”

Question 33

Flow of ions during impulse

Answer 33

Sodium ions flow into to neuron

Question 34

The eye is considered part of what nervous system?

Answer 34

Peripheral

Question 35

The spinal tract is part of ? Nervous system

Answer 35

CNS

Question 36

Types of central glia

Answer 36

Astrocytes
Microglia
Oligodendrocytes

Question 37

The perineurium is

Answer 37

A thin fibrous tissue surrounding a group of axons

Question 38

Functions of the hypothalamus

Answer 38

Helps regulate body temperature

Helps regulate water balance

Produces antidiuretic hormone

Question 39

The autonomic nervous system is a subdivision of ? Nervous system

Answer 39

Peripheral

Question 40

Motor neurons are also called

Answer 40

Efferent neurons