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Veterinary Medicine > Pheripheral Autonomic System > Flashcards

Pheripheral Autonomic System Flashcards

1
Q

..?.. Forms the idiopathic part of the peripheral nervous system

A

Autonomic(visceral or vegetative) nervous system.

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2
Q

The autonomic nervous system VI’s linked to the central me vous system by….

A

Cranial and

Spinal nerves

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3
Q

……….. Consists of multitude if small nerves plexus and ganglia that coordinates the function of this internal organs essential for life.

A

Autonomic nervous systems.

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4
Q

The autonomic nervous system regulates processes such as?

A

Respiration, cir ulqtion, digestion, metabolism, body temperature, water balance, reproduction and many other functi ons.

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5
Q

The autonomic nervous system is regulated by ?

A

Cerebrospinal mechanisms

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6
Q

The afferent component of the ANS can be divided into

A

Sympathetic and parasympathetic

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7
Q

The Sympathetic and Parasympathetic portions of the ANS canconsist of neurons that link the CNS to the innervated structures. True of false

A

True

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8
Q

The first multipolar neuron(myelinated, preganglionic neuron) of each pair has it’s cell body within the CNS and sends it’s axon out as part of the peripheral system. True / False

A

True

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9
Q

The first multipolar neuron (Myelinated, pr eganglionic neuron) synapse with the second neuron of the chain(non myelinatefd axon of the postganglionic neuron) which terminates on the……..

A

cells of the effector organ.

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10
Q

The cell bodies of the preganglionic neurons of the sympathetic division are located within The……….

A

Lateral column of the thoracic and lumbar spinal cord.

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11
Q

The cell bodies of the preganglionic neurons of the parasympathetic nerve are located …….

A

In the nuclei of origin of certain cranial nerves within the brain stem and the lateral columns of the sacral segments of the spinal cord

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12
Q

The sympathetic trunk run through the spinal cord and suppppies the

A

Heart, liver, reproductive system and goes cranially to relate with the cranial nerves.

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13
Q

True/ False the autonomic nervous system is under the Cerebrospinal Control.

A

TrTrueue.

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14
Q

The post ganglionic neurons ordinarily occurs in clusters referred to as

A

Ganglia

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15
Q

The sympathetic postganglionic neuron are located in ……………. While that of parasympathetic post ganglionic neurons are located ……..

A

a) vertebrae ganglia of the sympathetic trunk or in more peripheral prevertebra ganglia.

B)small ganglia close to or within the walls of the organ they innervate.

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16
Q

-The transmitter at the last sympathetic synapse is………, while that of the parasympathetic portion is……….

A

A) nor adrenaline

B) acetylcholine

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17
Q

…….. Stimulation results in an overall increase in body activity, while ………..stimulation has a sparing effect

A

) sympathetic

An) Parasympathetic.

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18
Q

The preganglionic origin for the sympathetic and parasympathetic divisions of ANS are?

A

A) thoracolumbar spinal cord(T1-L3)

B) Sacral Spinal Cord & brain stem.

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19
Q

The axon of the sympathetic preganglionic neurons join the. entral roots to reach the……….. From which they pass to the ……….. Of the sympathetic trunk as the …………

A

A) Spinal nerves
B) vertebra ganglia
C) White communicating branches.

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20
Q

Majority preganglionic fibres , after entering the sympathetic trunk passes through… …

A

Sympathetic trunk to synapse in other prevertebral ganglia located at the origins of the visceral branches of abdominal aorta.

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21
Q

The last group preganglionic fibres after entering the sympathetic trunk constitutes the ……..

A

Splanchnic nerves

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22
Q

The sympathetic trunk consists of three chains of vertebral ganglia. True or falsd

A

False. It contains two

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23
Q

The sympathetic trunk can be divided into several parts which are…..

A 
#Cephalic and cervical parts
#Thoracic parts
#Abdominal parts
#Sacral and coccygeal part.
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24
Q

The cranial continuation of the thoracic part of the sympathetic trunk(without directly contacting the vertebra columns of is the ……………..

A

Cephalic and cervical part.

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25
Q

…….. Forms the vagosympathetic trunk

A

The cervical region of the sympathetic trunk and the vagus. Nerve

26
Q

The cervical part starts ate the……….

A

Cervicothoracic ganglion.

27
Q

At the …… The sympathetic trunk and vagus nerve separate and then the former terminates in the

A

Atlas

Large, cranial cervical ganglion.

28
Q

……..provides sympathetic innervation for the head

A

The cranial cervical ganglion.

29
Q

In the horse the sympathetic part of the vagosympathetic trunk run along the …………….. in a caudal fold in the medial compartment of the…………

A

A)Internal Carotid artery

B) guttural pouch

30
Q

True or false. Only post ganglionic fibres leave the cranial cervical ganglion

A

True

31
Q

Post ganglionic fibres from the cranial cervical ganglion join the ..….. …. …. Cranial nerves and extend ing to the adventitia of all cranial nerves.

A

9th, 10th,11th&12th

32
Q

………nerve arises from the apex of the cranial cervical ganglion

A

Internal carotid nerve. It passes through the lacerated foramen with the internal carotid artery.

33
Q

The cervicothoracic ganglion is all know as…………

A

Stellate ganglion)

34
Q

The middle cervical ganglion is connected to the cervicothoracic ganglion by the…….

A

ansa subclavia. Most of it’s neurons innervate the cardiac plexus.

35
Q

The cervicohoracic ganglion Li’s medial to the first rib. TRUE/False

A

True

36
Q

True or false the thoracic ganglian roughly correspond to the the thoracic nerve

A

True

37
Q

……. And ……… Fuse to form the cervicothoracic ganglion

A

Cranial thoracic ganglia and caudal cervical ganglia.

38
Q

True or false from the cervico thoracic rise branches to the cardiac, oesophageal and tracheal plexuses.

A

True

39
Q

From the 6th thoracic ganglion caudally ,preganglionic neurons pass through the ganglia to reach the …………/////?

A

Greater splanchnic nerve

40
Q

The greater splanic nervec increases in diameter more caudally and enters the abdomen along the main sympathetic trunk between the ………..and ………

A

CRU’s of the diaphragm and the psoas mi nor muscle

41
Q

The
Lesser splanchnic nerve leaves the mzin sympathetic trunk caudal to the greater splanchnic nerve at the level of the ……….

A

Last two or three caudal thoracic vertebra.

42
Q

True/False Both Splanchnic nerves pass with the celiac and the cranial messenteric arteries.

A

True

43
Q

The abdominal part of the. sympathetic trunk lies between the …………….& ………….

A

Psoas musculature and the vertebra bodies

44
Q

The lumbar splanchnic nerve pass from the ……….. To the ………..

A

Lumbar ganglia to the celiac and cranial mesenteric ganglia.

45
Q

A dense plexus around the preventebra l ganglia and the roots of the celiac and cranial mesenteric arteries formed by the autonomic nervous system is called

A

Solar Plexus

46
Q

The prevertebra ganglia are connected with each other by the

A

Splanchnic nerves, the sympathetic trunk and the abdominal aortic plexus at the aorta.

47
Q

The nervous plexus surrounding the prevertebra ganglia receive parasympathetic fibres from the

A

Vagus nerve.

48
Q

The pelvic plexus receives parasympathetic fibres from the

A

Pelvic nerves

49
Q

True/False The sacral part of the sympathetic trunk is less consistent btw individuals and may partly fuse with the coccygeal part before extending into tail where it rapidly taper

A

A) True, I agree.

50
Q

True/False

The pelvicplexus receives the hypogastric nerves

A

True.

51
Q

The cell bodies of the preganglionic neurons of the parasympathetic system are located in the

A

nuclei of origin of certain cranial nerves in the brainstem and in the sacral spinal cord.

52
Q

…….is used as a synonym for parasympathetic

A

“Craniosacral”

53
Q

The parasympathetic nuclei of the cranial nerves are the: •

A

Parasympathetic nucleus of the oculomotor nerve, • Parasympathetic nucleus of the facial nerve, • Parasympathetic nucleus of the glossopharyngeal nerve, • Parasympathetic nucleus of the vagus nerve.

54
Q

-The axons in nerves III, VII and IX are distributed to the …….., whereas the vagus nerve distributes autonomic fibres to the

A

A) head.

B)cervical, thoracic and abdominal viscera.

55
Q

What is a neuromuscular synapse?

A

synapse made between the terminal end of a motor end plate and a skeletal muscle fibre

56
Q
  • This unit of a motor neuron and the muscle fibres it innervates is known as a
A

Motor Unit

57
Q

True/ False

Muscle fibres that belong to one motor unit do not make synaptic contact with any other motor neurons.

A

True

58
Q

Nerve impulses to skeletal muscle fibres are mediated by a

A

neuromuscular synapse

59
Q

….. is made of a group of several terminal branches and skeletal muscle fibres.

A

Neuromuscular Synapse.

60
Q

oblong disc‐like structures on skeletal muscle fibres are

A

Motor end plate

Veterinary Medicine (23 decks)

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