Chapter 12 (Module 1)

Question 1

includes brain and spinal cord; involved in movement, interpreting sensory information, maintaining homeostasis, and functions relating to mind

Answer 1

central nervous system

Question 2

The functions of the nervous system can be broken down into which three categories?

Answer 2

• motor
• sensory
• integrative

Question 3

include stimulation of a muscle cell contraction or a gland secretion; function of peripheral nervous system (PNS)

Answer 3

motor functions

Question 4

detection of sensations within and outside body; also is a function of PNS

Answer 4

sensory functions

Question 5

includes decision making process, Interpretation of sensory information, Planning and monitoring movement, Maintenance of homeostasis, and Higher mental functions such as language and learning

Answer 5

integrative functions

Question 6

soft, whitish-gray organ, anatomically continuous with spinal cord; resides in cranial cavity and directly or indirectly controls most of body’s functions

Answer 6

brain

Question 7

What are the four divisions of the brain?

Answer 7

• cerebrum
• diencephalon
• cerebellum
• brainstem

Question 8

internal cavities are called

Answer 8

ventricles

Question 9

enlarged superior portion of brain; divided into left and right cerebral hemispheres

Answer 9

cerebrum

Question 10

Responsible for higher mental function such as learning, memory, personality, cognition (thinking), language, and conscience

Answer 10

cerebrum

Question 11

deep underneath cerebral hemispheres; central core of brain

Answer 11

diencephalon

Question 12

Responsible for processing, integrating, and relaying information to different parts of brain, homeostatic functions, regulation of movement, and biological rhythms

Answer 12

diencephalon

Question 13

posterior and inferior portion of the brain and is divided into left and right hemispheres

Answer 13

cerebellum

Question 14

responsible for heavily involved in planning and coordination of movement, especially complex activities such as playing a sport or an instrument

Answer 14

cerebellum

Question 15

connects the brain to the spinal cord

Answer 15

brainstem

Question 16

responsible for basic involuntary homeostatic functions, control of certain reflexes, monitoring movement, integrating and relaying information to other parts of nervous system

Answer 16

brainstem

Question 17

long tubular organ enclosed within protective vertebral cavity; blends with inferior portion of brainstem; ends between first and second lumbar vertebrae

Answer 17

spinal cord

Question 18

an internal cavity within spinal cord that is continuous with brain’s ventricles; filled with cerebrospinal fluid

Answer 18

central canal

Question 19

found in both brain and spinal cord; consists of myelinated axons

Answer 19

white matter

Question 20

Each lobe of cerebrum contains bundles of white matter called

Answer 20

tracts

Question 21

clusters of cell bodies and dendrites in cerebral gray matter called

Answer 21

nuclei

Question 22

found in both brain and spinal cord; consists of neuron cell bodies, dendrites, and unmyelinated axons

Answer 22

gray matter

Question 23

hollow tube from which nervous tissue develops; completely developed by fourth week of gestation

Answer 23

neural tube

Question 24

what are the three primary brain vesicles?

Answer 24

• forebrain
• midbrain
• hindbrain

Question 25

the forebrain expands into two secondary brain vesicles called

Answer 25

the telencephalon and the diencephalon

Question 26

Midbrain expands into secondary brain vesicle called

Answer 26

mesencephalon

Question 27

Hindbrain develops into two secondary brain vesicles called

Answer 27

metencephalon and myelencephalon

Question 28

matures to become cerebellum

Answer 28

metencephalon

Question 29

in a mature brain, the telencephalon turns into?

Answer 29

the cerebrum