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Anatomy Exam 1 Semester 1 > Lecture 6 > Flashcards

Lecture 6 Flashcards

1
Q

List the functions of the nervous system

A

Sensory, motor and cognitive

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2
Q

What makes up the CNS?

A

Brain and spinal cord

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3
Q

What makes up the PNS?

A

SAME DAVE.

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4
Q

Number of cranial nerves?

A

12

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5
Q

Number of spinal nerves?

A

31

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6
Q

What is sympathetic system?

A

Fight or flight

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7
Q

What is parasympathetic system?

A

Rest and digest

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8
Q

What are the stages in neural tube development?

A

neural plate, neural folds, neural tube

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9
Q

What are the subdivisions of cranial end of tube?

A

Tripartite brain, pentapartite

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10
Q

What is the adult derivative of lumina?

A

lateral ventricles

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11
Q

What is the adult derivative of floor?

A

Basal ganglia, olfactory lobes and nerves

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12
Q

What is the adult derivative of roof?

A

cerebral hemispheres

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13
Q

What is the adult derivative of lumen?

A

third ventricle

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14
Q

What is the adult derivative of roof in diencephalon primordia?

A

epithalamus

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15
Q

What is the adult derivative of walls in diencephalon primordia?

A

thalamus

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16
Q

What is the adult derivative of floor in diencephalon primordia?

A

hypothalamus and infundibulum

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17
Q

What is the adult derivative of floor in mesencephalon primordia?

A

tegmentum

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18
Q

What is the adult derivative of roof in mesencephalon primordia?

A

tectum

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19
Q

What is the adult derivative of lumen in mesencephalon primordia?

A

cerebral aqueduct

20
Q

What is the adult derivative of lumen in metencephalon primordia?

A

part of fourth ventricle

21
Q

What is the adult derivative of roof in metencephalon primordia?

A

cerebellum

22
Q

What is the adult derivative of floor in metencephalon primordia?

A

pons

23
Q

What is the adult derivative of lumen in myencephalon primordia?

A

rest of fourth ventricle

24
Q

What is the adult derivative of main part in myencephalon primordia?

A

medulla oblongata

25
Q

What is the adult derivative of roof in myencephalon primordia?

A

posterior choroid plexus

26
Q

The cell body is what type of unit?

A

trophic unit

27
Q

The dendrites are what type of unit?

A

Receptive unit

28
Q

The axon is what type of unit?

A

Conductive unit

29
Q

What are the cell body organelles?

A

nucleus, golgi apparatus, RER, ribosomes and nissl substance

30
Q

What are the characteristics of dendrites?

A

i. Branches off the cell body that carry information to the cell body
ii. Usually several to many
iii. Relatively short
iv. Often branched
v. Have receptors for neurotransmitter
vi. Conduct local potentials.

31
Q

What are the characteristics of an axon?

A

i. Part of the neuron that carries information to another neuron or muscle cell
ii. Usually relatively long
iii. Single
iv. Conducts action potential
v. Cell membrane is called axolemma
vi. Cytoplasm is called axoplasm

32
Q

What are the different axonal transport?

A

Anterograde, retrograde, slow transport, fast transport

33
Q

What is the only part of the neuron that is ever myelinated?

A

Axon

34
Q

What does the axon contain?

A

Mitochondria, neurofilaments, neurotubules

35
Q

Myelin is formed by what?

A

Schwann cells.

36
Q

What is the neurolemma on an axon made up of?

A

schwann cells

37
Q

Aggregation of dendrites and nerve cell bodies in the CNS is called what?

A

Nucleus

38
Q

Aggregation of dendrites and nerve cell bodies in the PNS is called PNS?

A

Ganglion

39
Q

Bundle of fibers (axons) in the PNS refers to what?

A

Nerve

40
Q

Bundle of fibers (axons) in the CNS refers to what?

A

Tract

41
Q

Tract in the CNS that crosses from one side to another refers to what?

A

Commissure

42
Q

Areas of myelinated axons refers to what?

A

white matter

43
Q

areas of unmyelinated axons, cell bodies and dendrites refers to what?

A

Gray matter

44
Q

In terms of the reflex arc what are the afferent (sensory) pathways?

A

somatic and visceral

45
Q

In terms of the reflex arc what are the efferent (motor) pathways?

A

Somatic and Visceral

46
Q

What are the components of a synapse?

A

Presynaptic membrane, synaptic cleft, postsynaptic membrane

47
Q

What are the contents of the axillary sheath?

A

Axillary artery, axillary vein and brachial plexus

Anatomy Exam 1 Semester 1 (6 decks)

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