Ch 15-17

Question 1

The brain has ____ chambers and is filled with_____

Answer 1

Four

Cerebrospinal Fluid

Question 2

List the four regions of the brain

Answer 2

Cerebrum
Diencephalon
Brain Stem
Cerebellum

Question 3

This region of the brain includes more than half of the brain mass

Answer 3

Cerebrum

Question 4

The grooves on the surface of the brain are called

Answer 4

Sulci

Question 5

The ridges on the surface of the brain are called

Answer 5

Gyri

Question 6

These divide the cerebrum into the four surface lobes

Answer 6

Fissures

Question 7

Part of the cerebrum that receives impulses from the sensory receptors is the _____ and it is located in the ____

Answer 7

Somatic Sensory Area

Parietal Lobe

Question 8

Part of the cerebrum that sends impulses to the skeletal muscles is the ____ and it is located in the _____

Answer 8

Motor area

Frontal lobe

Question 9

Part of the cerebrum involved in our ability to speak

Answer 9

Broca’s area

Question 10

The outer layer in the cerebral cortex composed mostly of neuron cell bodies

Answer 10

Gray matter

Question 11

The fiber tracts deep in the gray matter are

Answer 11

White matter

Question 12

This connects the two hemispheres of the brain

Answer 12

Corpus Callosum

Question 13

The islands of gray matter buried within the white matter

Answer 13

Basal nuclei

Question 14

The diencephalon consists of these parts (3)

Answer 14

Thalamus
Hypothalamus
Epithalamus

Question 15

This part of the diencephalon relays sensory impulses

Answer 15

Thalamus

Question 16

This part of the diencephalon controls body temperature, water balance, and metabolism

Answer 16

Hypothalamus

Question 17

This system of the brain controls emotions

Answer 17

Limbic

Question 18

This part of the diencephalon contains the pineal gland and choroid plexus

Answer 18

Epithalamus

Question 19

This part of the brain forms cerebrospinal fluid

Answer 19

Choroidplexus

Question 20

The three parts of the brain stem include

Answer 20

Midbrain
Pons
Medulla Oblongata

Question 21

Part of the brain stem that contains the reflex centers for vision and hearing

Answer 21

Midbrain

Question 22

Part of the brain stem that contains nuclei involved in the control of breathing

Answer 22

Pons

Question 23

Part of the brain stem that controls heart rate, blood pressure, breathing, swallowing, and vomiting

Answer 23

Medulla oblongata

Question 24

This is contained within the brain stem and is involved with motor control of visceral organs

Answer 24

Reticular formation

Question 25

This region of the brain provides involuntary coordination of body movements

Answer 25

Cerebellum

Question 26

The external layer of the meninges is the

Answer 26

Dura mater

Question 27

The internal layer of the meninges is the

Answer 27

Pia mater

Question 28

The middle layer of the meninges is the

Answer 28

Arachnoid layer

Question 29

The CSF is circulated in the (3)

Answer 29

Arachnoid space Ventricles Center canal of the spinal cord

Question 30

Injury of the brain in which nervous tissue destruction occurs

Answer 30

Contusion

Question 31

Injury to the brain in which there is no permanent brain damage

Answer 31

Concussion

Question 32

Injury to the brain in which swelling occurs and compresses the brain

Answer 32

Cerebral edema

Question 33

The collection of spinal nerves at the inferior end of the spinal cord

Answer 33

Cauda equina

Question 34

The internal gray matter of the spinal cord is mostly

Answer 34

Cell bodies

Question 35

The exterior white matter of the spinal cord are

Answer 35

conduction tracts

Question 36

The posterior horns of the internal gray matter are called

Answer 36

Dorsal

Question 37

The anterior horns of the internal gray matter are called

Answer 37

Ventral

Question 38

Dorsal root spinal nerves are a collection of ____ outside the CNS

Answer 38

Cell bodies

Question 39

Ventral root spinal nerves contain ____

Answer 39

Axons

Question 40

The system composed of nerves and ganglia outside the CNS

Answer 40

Peripheral NS

Question 41

PNS nerve structure consists of a _____ around each fiber, with groups of fibers bound into ____ by _____. and the fascicles are bound together by _____

Answer 41

Endonerium Fascicles Perineurium Epineurium

Question 42

PNS nerves contain ____ (afferent) nerves that carry impulses away from the CNS ____ (efferent) nerves that carry impulses away from the CNS, and ____ nerves that contain both

Answer 42

Sensory Motor Mixed

Question 43

There are ___ pairs of cranial nerves contained within the PNS

Answer 43

12

Question 44

There are ___ pairs of spinal nerves contained within the PNS

Answer 44

31

Question 45

These spinal nerves of the PNS serve the skin and muscles of the posterior trunk

Answer 45

Dorsal rami

Question 46

These spinal nerves of the PNS form a plexus for the anterior

Answer 46

Ventral rami

Question 47

The ANS consists of ____ nerves only

Answer 47

Motor

Question 48

The somatic nerves contain one ____ neuron, whereas the autonomic nerves contain ____ and ____nerves

Answer 48

Motor Preganglionic Postganglionic

Question 49

The somatic nerves contain the ___ muscle, whereas the autonomic nerves contain ___muscle, ___ muscle

Answer 49

Skeletal Smooth Cardiac

Question 50

The somatic neurotransmitters always use ___, whereas the autonomic nerves use ___, ___ or ___

Answer 50

ACH ACH Epinephrine Norepinephrine

Question 51

The sympathetic division uses ___ and ___ neurotransmitters to the effector organs

Answer 51

Norepinephrine | Epinephrine

Question 52

The parasympathetic division always uses ___ as a neurotransmitter

Answer 52

ACH

Question 53

The division of the PNS is the "rest or repose"

Answer 53

Parasympathetic

Question 54

This division of the PNS is the "fight or flight"

Answer 54

Sympathetic