Nerve paths

Descripción

(Unit 5 Nervous System) Principles and animal form and fucntion Test sobre Nerve paths, creado por Jack Fawsitt el 18/02/2017.
Jack Fawsitt
Test por Jack Fawsitt, actualizado hace más de 1 año
Jack Fawsitt
Creado por Jack Fawsitt hace más de 9 años
48
2

Resumen del Recurso

Pregunta 1

Pregunta
Conscious proprioception information (kinaesthesia) is relayed from the forelimb to conscious level by the following tract system?
Respuesta
  • Cuneate tract
  • Gracile tract
  • Dorsal spinocerebellar tract
  • Ventral spinocerebellar tract
  • Spinothalamic tract

Pregunta 2

Pregunta
Which of the following would most strongly suggest a diagnosis of Horner's Syndrome?
Respuesta
  • Droopy eyelid, constricted pupil, retraction of 3rd eyelid
  • Droopy eyelid, constricted pupil, protrusion of 3rd eyelid
  • Droopy eyelid, no change in pupil size, retraction of 3rd eyelid
  • Droopy eyelid, dilated pupil, retraction of 3rd eyelid
  • Droopy eyelid, dilated pupil, protrusion of 3rd eyelid

Pregunta 3

Pregunta
What is the location of the cell bodies of the post-ganglionic nerves that supply the structures of the head?
Respuesta
  • Middle cervical ganglion
  • Lateral horn of thoracic spinal cord
  • Atellate ganglion
  • Cranial cervical ganglion
  • Basal ganglion

Pregunta 4

Pregunta
From what part of the spinal cord does sympathetic nerve supply to the head arise?
Respuesta
  • Cervical segments 3 - 5
  • Cervical segments 5 - 8
  • Thoracic segments 5 - 10
  • Cervical segments 1 - 3
  • Thoracic segments 1 - 3

Pregunta 5

Pregunta
The CN V(1) opthalmic branch of the tigeminal CN provides sensory input to? (may be more than one correct answer)
Respuesta
  • Upper eye lid
  • Cornea
  • Lower eye lid
  • Orbicularis oculi

Pregunta 6

Pregunta
The CN V(2) maxillary branch of the tigeminal CN provides sensory input to? (may be more than one correct answer)
Respuesta
  • Lower eye lid
  • Horn (corneal branch)
  • Upper eyelid
  • Cornea
  • Orbicularis oculi

Pregunta 7

Pregunta
Which structures are innervated by the autonomic nervous system? (more than one answer)
Respuesta
  • Smooth muscle
  • Cardiac muscle
  • Glandular tissue
  • Skeletal muscle

Pregunta 8

Pregunta
The preganglionic fibres of the sympathetic pathway are relatively shorter than the postganglionic.
Respuesta
  • True
  • False

Pregunta 9

Pregunta
The postganglionic fibres of the parasympathetic pathway are relatively shorter than the preganglionic.
Respuesta
  • True
  • False

Pregunta 10

Pregunta
The sympathetic pathway is described as having a thoracolumbar outflow. Which segments of the spinal cord is this restricted to?
Respuesta
  • Cervical
  • Thoracic
  • Lumbar
  • Sacral

Pregunta 11

Pregunta
The parasympathetic pathway is described as having a Craniosacral outflow. What structures is this restricted to?
Respuesta
  • Brain
  • Sacral
  • Lumbar
  • Thoracic
  • Cervical

Pregunta 12

Pregunta
Where are preganglionic nuclei of the ANS located in then spinal cord?
Respuesta
  • Lateral horn of spinal cord- grey matter
  • Dorsal root
  • Ventral horn of grey matter
  • Ventral root

Pregunta 13

Pregunta
Which below are divisions of the sympathetic ANS?
Respuesta
  • Cervicothoracic ganglion
  • Vertebral nerve
  • Cranial cervical ganglion
  • Splanchnic nerve
  • Collateral ganglia
  • Hypogastric nerve
  • Sympathetic trunk
  • Pelvic nerve
  • CN VII
  • CN III

Pregunta 14

Pregunta
Which below are divisions of the parasympathetic ANS?
Respuesta
  • CN III
  • CN VII
  • CN IX
  • CN X
  • Pelvic nerve
  • Hypogastric nerve
  • Splanchnic nerve
  • Cranial cerivical ganglion

Pregunta 15

Pregunta
Which options below form the Medial lemniscal system. A spinal cord sensory pathway.
Respuesta
  • Dorsal columns
  • Spinothalamic tracts
  • Spinocervicothalamic tracts
  • Spinoreticular tracts
  • Spinocerebellar tracts

Pregunta 16

Pregunta
What below are properties of the medial lemniscal system?
Respuesta
  • 3 chain neuron pathway
  • Contralateral relay
  • Bilateral relay
  • Thalamus interprets before reaching conscious level

Pregunta 17

Pregunta
What below are properties of the medial Spinoreticular tracts (ascending reticular formation)?
Respuesta
  • Bilateral relay close to midline
  • Multineurons
  • Finely myelinated
  • Diffuse relay to cortex

Pregunta 18

Pregunta
Spinocerebellar tracts properties:
Respuesta
  • Ipsilateral
  • Unconscious proprioception
  • Contralateral relay
  • Bilateral relay

Pregunta 19

Pregunta
The Pyramidal system (corticospinal) properties.
Respuesta
  • Lower motor neurons
  • Upper motor neurons
  • Interneurons can be present in spinal cord
  • single neuron from CNS to spinal cord
  • Innervate skeletal muscle
  • Contralateral relay

Pregunta 20

Pregunta
Which tracts form the extrapyramidal system?
Respuesta
  • Rubrospinal tract
  • Reticulospinal tract
  • Vestibulospinal tract
  • Tectospinal tract
  • Corticospinal

Pregunta 21

Pregunta
Which tract below also has a ipsilateral relay in addition to contralateral?
Respuesta
  • Vestibulospinal tract
  • Rubrospinal tract
  • Reticulospinal tract
  • Tectospinal tract

Pregunta 22

Pregunta
The red nucleus in the midbrain leads to which tract?
Respuesta
  • Rubrospinal tract
  • Reticulospinal tract
  • Tectospinal
  • Vestibulospinal

Pregunta 23

Pregunta
All postganglionic sympathetic fibres are adrenergic. (Release norepinephrine)
Respuesta
  • True
  • False

Pregunta 24

Pregunta
All preganglionic fibres of both para and sympathetic release acetylcholine.
Respuesta
  • True
  • False

Pregunta 25

Pregunta
The exception to the release of adrenaline from only postganglionic cells occurs from?
Respuesta
  • Chromaffin cells of the adrenal medulla
  • Hypothalamus
  • Pituitary gland

Pregunta 26

Pregunta
Which adrenergic receptor activates phospholipase C to increase intracellular second messengers IP3 and DAG to ultimately stimulate release of Ca2+.
Respuesta
  • Alpha
  • Beta

Pregunta 27

Pregunta
Which adrenergic receptor activates adenyl cyclase to increase intracellular cAMP which activates PKA leading to a positive iontropic response?
Respuesta
  • Beta
  • Alpha

Pregunta 28

Pregunta
Alpha 1 adrenergic receptors once activated results in..... A drug with this effect is Midodrine.
Respuesta
  • Vasoconstriction
  • Raise heart rate
  • Relax bronchi
  • Relax bladder
  • Sedation

Pregunta 29

Pregunta
Alpha 2 adrenergic receptors once activated results in..... A drug with this effect is Xylazine.
Respuesta
  • Sedation. Muscle relaxation.
  • Vasoconstriction
  • Raise heart rate
  • Relax bronchi
  • Relax blader

Pregunta 30

Pregunta
Beta 1 adrenergic receptors once activated results in..... A drug with this effect is Isoprenaline.
Respuesta
  • Raise heart rate
  • Relax bronchi
  • Relax bladder
  • Vasoconstriction
  • Sedation

Pregunta 31

Pregunta
Beta 2 adrenergic receptors once activated results in..... A drug with this effect is Salbutamol.
Respuesta
  • Relax bronchi
  • Raise heart rate
  • Relax bladder
  • Vasoconstriction
  • Sedation

Pregunta 32

Pregunta
Beta 3 adrenergic receptors once activated results in..... A drug with this effect is solabegron.
Respuesta
  • Relaxes bladder
  • Raise heart rate
  • Relax bronchi
  • Vasoconstriction
  • Sedation

Pregunta 33

Pregunta
An antagonist drug of beta 1/2 known as Propanolol is used for?
Respuesta
  • Treat anxiety
  • Reduce blood pressure

Pregunta 34

Pregunta
An antagonist drug of Alpha 1 adrenergic receptors known as Doxazosin is used for?
Respuesta
  • Reduce blood pressure
  • Treat anxiety

Pregunta 35

Pregunta
An antagonist drug of alpha 2 adrenergic receptors known as Phentolamine is used for?
Respuesta
  • Reduce blood pressure
  • Treat anxiety

Pregunta 36

Pregunta
The action of Beta 2 and Alpha 1 adrenergic receptors is important with regards to vascular smooth muscle. Beta 2- relaxation Alpha 1- constriction. What does epinephrine have a higher affinity for?
Respuesta
  • Beta 2
  • Alpha 1

Pregunta 37

Pregunta
The action of Beta 2 and Alpha 1 adrenergic receptors is important with regards to vascular smooth muscle. Beta 2- relaxation Alpha 1- constriction. Which receptor is there more of?
Respuesta
  • Alpha 1
  • Beta 2

Pregunta 38

Pregunta
Which adrenergic receptor once activated leads to increased contractility of the heart?
Respuesta
  • Beta 1
  • Alpha 1
  • Alpha 2
  • Beta 2
  • Beta 3

Pregunta 39

Pregunta
Which adrenergic receptor once activated leads to constriction of arterioles? (may be more than one)
Respuesta
  • Alpha 1
  • Alpha 2
  • Beta 1
  • Beta 2
  • Beta 3

Pregunta 40

Pregunta
Which adrenergic receptor once activated leads to dilation of the arterioles?
Respuesta
  • Beta 2
  • Beta 1
  • Beta 3
  • Alpha 1
  • Alpha 2

Pregunta 41

Pregunta
Which adrenergic receptor once activated leads to relaxation of the bronchial muscle?
Respuesta
  • Beta 2
  • Alpha 1
  • Alpha 2
  • Beta 1
  • Beta 3

Pregunta 42

Pregunta
Which adrenergic receptor(s) once activated leads to relaxation of the GI muscle? (May be more than one)
Respuesta
  • Alpha 1
  • Alpha 2
  • Beta 2
  • Beta 1
  • Beta 3

Pregunta 43

Pregunta
Which adrenergic receptor once activated leads to relaxation of the uterus?
Respuesta
  • Beta 2
  • Beta 1
  • Beta 3
  • Alpha 1
  • Alpha 2

Pregunta 44

Pregunta
Which adrenergic receptor once activated leads to reduced insulin secretion from the pancreas?
Respuesta
  • Alpha 2
  • Alpha 1
  • Beta 1
  • Beta 2
  • Beta 3

Pregunta 45

Pregunta
Which adrenergic receptor once activated leads to increased insulin secretion from the pancreas?
Respuesta
  • Beta 2
  • Beta 1
  • Beta 3
  • Alpha 1
  • Alpha 2

Pregunta 46

Pregunta
Which Muscarinic receptor from the parasympathetic nervous system stimulates gastric secretion?
Respuesta
  • M1
  • M2
  • M3
  • M4 & M5

Pregunta 47

Pregunta
Which Muscarinic receptor from the parasympathetic nervous system slows heart rate?
Respuesta
  • M1
  • M2
  • M3
  • M4 & M5

Pregunta 48

Pregunta
Which Muscarinic receptor from the parasympathetic nervous system mediate lacrimal salivary gland secretion and gut smooth muscle contraction?
Respuesta
  • M3
  • M1
  • M2
  • M4 & M5

Pregunta 49

Pregunta
Which Muscarinic receptor from the parasympathetic nervous system mediate adrenaline secretion from the adrenal medulla?
Respuesta
  • M4 & M5
  • M1
  • M2
  • M3

Pregunta 50

Pregunta
What is the neurotransmitter of the somatic nervous system?
Respuesta
  • Acetylcholine
  • Epinephrine

Pregunta 51

Pregunta
What receptor is ligand gated and found at the neuromuscular junction?
Respuesta
  • Nicotinic
  • Muscarinic
  • Adrenergic
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