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VANA 101 > NERVOUS SYSTEM > Flashcards

NERVOUS SYSTEM Flashcards

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1
Q

What system informs an animal about its environment and initiates responses?

A

Nervous system

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2
Q

Name the two types of cells in the nervous system.

A

Neurons and supporting cells

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3
Q

What is the main coordinating and integrating system in the body?

A

Nervous system

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4
Q

are the two main structural divisions of the nervous system?

A

Central Nervous System (CNS) and Peripheral Nervous System (PNS)

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5
Q

Name the two components of the Central Nervous System (CNS).

A

Brain and spinal cord

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6
Q

How many pairs of cranial nerves are in the Peripheral Nervous System (PNS)?

A

12 pairs

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7
Q

How many pairs of spinal nerves are in dogs?

A

36 pairs

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8
Q

Which nervous system carries impulses to skeletal muscles and skin?

A

Somatic Nervous System

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9
Q

Name the two divisions of the Autonomic Nervous System.

A

Sympathetic and Parasympathetic

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10
Q

What is the basic unit of the nervous system?

A

Neuron

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11
Q

Name the three main parts of a neuron.

A

Cell body, axon, dendrites

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12
Q

What part of the neuron contains the nucleus?

A

Cell body

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13
Q

What are the two types of processes in a neuron?

A

Axon and dendrites

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14
Q

Name the five types of neurons based on their shape.

A

Unipolar, Bipolar, Pseudounipolar, Multipolar, Pyramidal

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15
Q

Which segment of a neuron is responsible for receiving stimuli?

A

Receptive segment

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16
Q

What segment generates nerve impulses?

A

Trigger zone segment

17
Q

What type of neuron conducts impulses from the periphery to the CNS?

A

Primary afferent neurons

18
Q

What are the four general groups of neurons?

A

Primary afferent neurons, Interneurons, Projection neurons, Final efferent neurons (LMNs)

19
Q

Name the four types of supporting cells in the Central Nervous System (CNS).

A

Astrocytes, Oligodendroglia, Ependymal cells, Microglia

20
Q

What conducts impulses towards cell bodies?

A

Dendrites

21
Q

What is the junction of one neuron’s axon with another neuron?

A

Synapse

22
Q

What are bundles of nerve processes within the Central Nervous System (CNS) called?

A

Tracts

23
Q

What type of matter contains myelinated axons?

A

White matter

24
Q

What is the main site of nervous control in the body?

A

Brain

25
Q

Name the three meninges protecting the brain.

A

Dura mater, Arachnoid, Pia mater

26
Q

List the five developmental subdivisions of the brain.

A

Telencephalon, Diencephalon, Mesencephalon, Metencephalon, Myelencephalon

27
Q

What is the largest division of the brain?

A

Cerebrum

28
Q

Which part of the brain controls voluntary motor activity?

A

Cerebellum

29
Q

Name the three parts of the brain stem.

A

Medulla oblongata, Pons, Midbrain

30
Q

What protects the spinal cord?

A

Vertebrae

31
Q

Name the two subdivisions of the Peripheral Nervous System.

A

Spinal nerves, Cranial nerves

32
Q

What is the function of the optic nerve?

A

Sight

33
Q

Name the sensory cranial nerves.

A

Olfactory, Optic, Vestibulocochlear

34
Q

Name the motor cranial nerves.

A

Oculomotor, Trochlear, Abducent, Accessory, Hypoglossal

35
Q

Name the mixed cranial nerves.

A

Trigeminal, Facial, Glossopharyngeal, Vagus

36
Q

How are spinal nerves named and numbered?

A

Based on their origin from the spinal cord

37
Q

What are the four functional components of spinal nerves?

A

Somatic afferent, somatic efferent, visceral afferent, visceral efferent

38
Q

What does the autonomic nervous system control?

A

Smooth muscle and glands

39
Q

Name the two divisions of the autonomic nervous system.

A

Sympathetic and parasympathetic

VANA 101 (23 decks)

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