test 4

Question 0

A ______ area of the cerebral cortes is responsible for the integrative component of nerve function

Answer 0

Association

Question 1

Which type of neuroglial cell produces the cerebrospinal fluid in the brain

Answer 1

ependymal cell

Question 2

What type of propagation is accomplished by the generation of an action potential at each successive adjacent region along a neural axon, without any intervals

Answer 2

continuous propagation

Question 3

Which of the following is NOT a significant function of the left hemisphere of the cerebrum

Answer 3

Musical Skills

Question 4

Which region of the brain stem relays information between the spinal cord and the cerebrum

Answer 4

Midbrain

Question 5

A ____ area of the cerebral cortex receives inout from various body tissues

Answer 5

Sensory

Question 6

Within the cerebral hemispheres, white matter is

Answer 6

Deep

Question 7

What type of propagation is accomplished by the generation of an action potential at successive nodes along a neural axon, jumping over myelinated sections

Answer 7

Saltatory Propagation

Question 8

Ependymal cells are associated with blood capillaries within a structure called a

Answer 8

Choroid Plexus

Question 9

Which of the following is NOT a significant function of the right hemisphere of the cerebrum

Answer 9

Numerical Skills

Question 10

The ventral root of the spinal nerve contains

Answer 10

Axons of Motor Neurons

Question 11

Which structure within the cerebrum contributes to the generation of emotion and is involved in memory

Answer 11

Limbic System

Question 12

Drugs such as novocaine block sodium channels, and therefore act as a pain reliever by preventing

Answer 12

Action Potentials

Question 13

Within the cerebral hemispheres gray matter is found in the

Answer 13

Cortex

Question 14

Which layer of connective tissue surrounds a bundle of neural axons (fascicles) within a nerve

Answer 14

Perineurium

Question 15

A ____ is a raised ridge on the surface of the cerebral cortex

Answer 15

Gyrus

Question 16

The group of spinal nerves running in together through the vertebral column beyond the end of the spinal cord itself is the

Answer 16

Cauda equine

Question 17

What is the typical threshold that causes a graded potential to trigger an action potential in a neuron

Answer 17

-55mV

Question 18

Which region of the diencephalon relays information between the cerebrum and the brain stem

Answer 18

Thalamus

Question 19

A _____ is a shallow valley between the gyri of the cerebral cortex

Answer 19

Sulcus

Question 20

Which of the following is the tough, outer layer of the meninges

Answer 20

Dura Mater

Question 21

During depolarization phase of an action potential :

Answer 21

Sodium (subtraction) channels are open

Question 22

The spinal cord terminates in a tapering structure called the

Answer 22

Conus Medullaris

Question 23

Which layer of connective tissue surrounds an entire nerve

Answer 23

Epinerium

Question 24

During the repolarization phase of an action potential :

Answer 24

Potassium channels are open

Question 25

The ____is a branch of a spinal nerve that serves muscles and skin of the ventral trunk and limbs

Answer 25

Anterior Ramus

Question 26

Which region of the brain has a major role in regulating aspects of homeostasis, such as body temperature

Answer 26

Hypothalamus

Question 27

During the after-hyperpolarizing phase of an action potential, the membrane potential may reach:

Answer 27

-90mV

Question 28

The _____ provides the principal link between the nervous system and endocrine systems

Answer 28

Hypothalamus

Question 29

The dorsal root of a spinal nerve contains

Answer 29

Axons of Sensory Neurons

Question 30

A _____ area of the cerebral cortex sends output to various body tissues

Answer 30

Motor

Question 31

Which of the following is NOT true of a graded potential

Answer 31

It travels along the axon

Question 32

Which region of the brain contributes to the regulation of ventilation rate and is responsible for communication between the cerebellum and other regions of the brain

Answer 32

Pons

Question 33

The _____ is a branch of a spinal nerve that serves muscles and skin of the dorsal trunk

Answer 33

Posterior Ramus

Question 34

Which structure within the cerebrum regulates body movements and muscle tone

Answer 34

Basal Nuclei

Question 35

Division of the cerebral hemispheres that are named after the overlying skull bones are

Answer 35

Lobes

Question 36

which of the following is NOT true of an action potential

Answer 36

It is a small deviation from the resting potential

Question 37

Which of the following is the delicate, inner layer of meninges

Answer 37

Pia Mater

Question 38

Which region of the brain is responsible for higher-order mental functions

Answer 38

Cerebrum

Question 39

Which of the following is the middle layer of the meninges, characterized by a network of collagen and elastic fiber

Answer 39

Arachnoid matter

Question 40

Which is the typical peak amplitude of an action potential in a neuron

Answer 40

+30mV

Question 41

This ____ is a group of branches of a spinal nerve that seves internal organs

Answer 41

Rami Communicantes

Question 42

The dorsal root ganglion mainly consists of

Answer 42

Cell Bodies of Sensory Neurons

Question 43

Which region of the brain contributes to the regulation of the biological clock be releasing melatonin

Answer 43

Pineal Gland

Question 44

Which structure within the cerebrum lines the two cerebral hemispheres

Answer 44

Corpus Collosum

Question 45

The specialized membranes that surround the spinal cord are termed the

Answer 45

Spinal Meninges

Question 46

Which region of the brain is responsible for balance, posture, and skilled movement

Answer 46

cerebellum

Question 47

Which layer of connective tissue surround the axon of an individual neuron within a nerve

Answer 47

Endoneurium