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A&P 1 > test 4 > Flashcards

test 4 Flashcards

0
Q

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

A

Association

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1
Q

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

A

ependymal cell

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2
Q

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

A

continuous propagation

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3
Q

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

A

Musical Skills

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4
Q

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

A

Midbrain

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5
Q

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

A

Sensory

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6
Q

Within the cerebral hemispheres, white matter is

A

Deep

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7
Q

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

A

Saltatory Propagation

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8
Q

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

A

Choroid Plexus

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9
Q

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

A

Numerical Skills

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10
Q

The ventral root of the spinal nerve contains

A

Axons of Motor Neurons

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11
Q

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

A

Limbic System

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12
Q

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

A

Action Potentials

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13
Q

Within the cerebral hemispheres gray matter is found in the

A

Cortex

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14
Q

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

A

Perineurium

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15
Q

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

A

Gyrus

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16
Q

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

A

Cauda equine

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17
Q

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

A

-55mV

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18
Q

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

A

Thalamus

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19
Q

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

A

Sulcus

20
Q

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

A

Dura Mater

21
Q

During depolarization phase of an action potential :

A

Sodium (subtraction) channels are open

22
Q

The spinal cord terminates in a tapering structure called the

A

Conus Medullaris

23
Q

Which layer of connective tissue surrounds an entire nerve

A

Epinerium

24
Q

During the repolarization phase of an action potential :

A

Potassium channels are open

25
Q

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

A

Anterior Ramus

26
Q

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

A

Hypothalamus

27
Q

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

A

-90mV

28
Q

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

A

Hypothalamus

29
Q

The dorsal root of a spinal nerve contains

A

Axons of Sensory Neurons

30
Q

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

A

Motor

31
Q

Which of the following is NOT true of a graded potential

A

It travels along the axon

32
Q

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

A

Pons

33
Q

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

A

Posterior Ramus

34
Q

Which structure within the cerebrum regulates body movements and muscle tone

A

Basal Nuclei

35
Q

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

A

Lobes

36
Q

which of the following is NOT true of an action potential

A

It is a small deviation from the resting potential

37
Q

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

A

Pia Mater

38
Q

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

A

Cerebrum

39
Q

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

A

Arachnoid matter

40
Q

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

A

+30mV

41
Q

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

A

Rami Communicantes

42
Q

The dorsal root ganglion mainly consists of

A

Cell Bodies of Sensory Neurons

43
Q

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

A

Pineal Gland

44
Q

Which structure within the cerebrum lines the two cerebral hemispheres

A

Corpus Collosum

45
Q

The specialized membranes that surround the spinal cord are termed the

A

Spinal Meninges

46
Q

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

A

cerebellum

47
Q

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

A

Endoneurium

A&P 1 (5 decks)

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