Ch. 29 - The Nervous System

Question 1

A division of the peripheral nervous system that is in charge of the respiratoy and gastrointestinal systems

Answer 1

autonomic division

Question 2

Prepares the body for resting and digesting food

Answer 2

parasympathetic part

Question 3

A wrapping layer of insulation that allows nerve impulses to move more quickly along the axons

Answer 3

myelin sheath

Question 4

The control center for a neuron

Answer 4

cell body

Question 5

The brain and spinal cord

Answer 5

central nervous system

Question 6

Takes impulses to the cell body

Answer 6

dendrites

Question 7

Releases neurotransmitters to transmit impulses between neurons

Answer 7

terminal bouton

Question 8

Produces “fight or flight” response

Answer 8

sympathetic part

Question 9

Consists of the nerves outside the brain and spinal cord

Answer 9

peripheral nervous system

Question 10

Carries impulses away from the cell body

Answer 10

axon

Question 11

Where does the decision making function of the nervous system take place?

Answer 11

CNS

Question 12

What is another term for sensory neuron?

Answer 12

Afferent neurons

Question 13

Which neurons are responsible for detecting information from inside the body and taking it to the CNS for interpretation?

Answer 13

Sensory neurons

Question 14

Which area in the meninges contains CSF?

Answer 14

Subarachnoid space

Question 15

Which area of the spinal cord contains motor neurons that control muscles of the lower limbs?

Answer 15

Lumbosarcal enlargement

Question 16

Which area of the spinal cord contains motor neurons that control muscles of the upper limbs?

Answer 16

Cervicle enlargement

Question 17

Which part of the brain includes the thalamus, hypothalamus, and epithalamus?

Answer 17

The diencephalon

Question 18

Which nerves carry visual information to the brain for interpretation?

Answer 18

Optic nerves

Question 19

Which nerves carry commands to the muscles of facial expression as well as in the salivary and tear glands?

Answer 19

Facial Nerves

Question 20

Consists of nerves that connect the CNS to the skin and skeletal muscsles

Answer 20

Somatic division

Question 21

Collection of neuron cell bodies outside the CNS

Answer 21

Ganglia

Question 22

Which neuron is responsible for taking commands from the CNS to the body to control the movement or action of a muscle or gland?

Answer 22

Motor neuron

Question 23

The nerve that is tested by asking a patient to smell various substances

Answer 23

Olfactory nerves

Question 24

What neuroglial cells engulf and destroy invaders in the nervous system?

Answer 24

Microglia

Question 25

Which lobe of the cerebrum contains the primary visual areas that interpret what a person sees?

Answer 25

Occipital

Question 26

Which areas of the brain manufacture cerebrospinal fluid?

Answer 26

Ventricles

Question 27

Which is a function of the cerebellum?

Answer 27

The coordination of fine movements such as writing

Question 28

What acts as an "interpreter" for afferent and efferent neurons?

Answer 28

Interneurons

Question 29

Which procedure involves the use of a needle to remove cerebrospinal fluid from the subarachnoid space?

Answer 29

Lumbar puncture

Question 30

What are the neuroglial cells that help in the exchange of materials between blood within capillaries and neurons?

Answer 30

Astrocytes

Question 31

Consists of extremely tight connections between all the cells forming the walls of blood capillaries, which prevents certain substances from entering the tissues of the CNS

Answer 31

blood-brain barrier

Question 32

What repeatedly wrpa themselves around some axons, forming a myelin sheath?

Answer 32

Schwann Cells

Question 33

What is the type of neuroglial cell that helps in the creation of the myelin sheath?

Answer 33

Oligodendrocytes

Question 34

The term for neuron cell membranes that are polarized

Answer 34

resting membrane potential

Question 35

What chemicals are released from the terminal boutons?

Answer 35

Neurotransmitters

Question 36

Contains neuron cell bodies, dendrites, and terminal boutons as well as unmyelinated axons

Answer 36

Gray Matter

Question 37

Tracts of the spinal cord that carry sensory information to the brain

Answer 37

Ascending tracts

Question 38

A predictable, automatic response to a stimulus

Answer 38

Reflex

Question 39

What is each cerebral hemisphere divided into?

Answer 39

Lobes

Question 40

Consists of the midbrain, the pons, and the medulla oblongata

Answer 40

Brain stem

Question 41

The area of skin supplied by a single spinal nerve

Answer 41

Dermatome

Question 42

The outermost layer of the cerebum

Answer 42

Cerebral cortex

Question 43

The loss of feeling in the extremeties associated with neurologic disorders

Answer 43

Paresthesia

Question 44

An X-Ray of the blood vessels of the brain after an infusion of contrast media

Answer 44

cerebral angiography