Physiology - Introduction to the CNS, neurotransmitters and the blood brain barrier Flashcards
the spinal cord runs from the foramen magnum of the skull to which vertebral level in adults
a.l1-l2
b.t12-l2
c.t8-t9
d.l3-l4
a.l1-l2
the filum terinale is a thin layer of what extending from the conus medullaris of the spinal cord
a.dura
b.arachnoid
c.pia
c.pia
how many pairs of spinal nerves are found in the cervical region
a.8
b.12
c.5
d.1
a.8
how many pairs of spinal nerves are found in the thoracic region
a.8
b.12
c.5
d.1
b.12
how many pairs of spinal nerves are found in the lumbar region
a.8
b.12
c.5
d.1
c.5
how many pairs of spinal nerves are found in the coccygeal region
a.8
b.12
c.5
d.1
d.1
the cauda equina is formed from which nerve roots surrounding the filum terminale after exiting the vertebral canal
a.lumbar
b.lumbar and sacral
c.sacral and coccygeal
b.lumbar and sacral
how many pairs of spinal nerves are found in the sacral region
a.8
b.12
c.5
d.1
c.5
which part of the spinal cord is innermost
a.white matter
b.gray matter
b.gray matter
which part of the spinal cord contains the nerve cell bodies and is divided into the ventral and dorsal horns
a.white matter
b.gray matter
b.gray matter
which horn of the spinal cord contains sensory neurons
a.ventral
b.dorsal
b.dorsal
which horn of the gray matter contains motor neurons
a.ventral
b.dorsal
a.ventral
the white matter is made up of longitudinal tracts of which type of axon
a.myelinated
b.unmyelinated
a.myelinated
where are reflex centres found
a.cerebral hemispheres
b.cortex
c.cerebellum
d.brainstem
e.spinal cord
d.brainstem
where are the nuclei of cranial nerves III to XII found
a.cerebral hemispheres
b.cortex
c.cerebellum
d.brainstem
e.spinal cord
d.brainstem
the motor neurons that control which movements lie in cranial nerves 3 and 4 found in the midbrain
a.mouth
b.arms
c.eye
d.tongue
c.eye
nerve fibres from cranial nerve 3 responsible for pupillary diametre etc reside in which nucleus that is found in the midbrain
a.pons
b.eaton lambert
d.edinger westphal
d.edinger westphal
where are the neurons responsible for control of reflex movements of the eyes , head and neck found
a.midbrain
b.pons
c.medulla oblongata
a.midbrain
where are the neurons for mastication, eye movement and muscles of facial expressions found
a.midbrain
b.pons
c.medulla oblongata
b.pons
where is sensory information from the face, scalp, mouth and nose recieved
a.midbrain
b.pons
c.medulla oblongata
b.pons
where are the pneumotaxic and apneustic centres found
a.midbrain
b.pons
c.medulla oblongata
b.pons
what centre found in the pons promotes coordinated respiration
a.apneustic
b.edinger westphal
c.pneumotaxic
c.pneumotaxic
where are the nuclei of the somatic neurons that innervate the neck and tongue found along with nuclei involved in blood pressure, heart rate and digestion
a.midbrain
b.pons
c.medulla oblongata
c.medulla oblongata
which 3 structures make up the diencephalon
a.midbrain, pons, medulla oblongata
b.thalamus, hypoyhalamus, pons
c.hypothalamus , pituitary, epithalamus
d.hypothlamus, thalamus, epithalamus
d.hypothlamus, thalamus, epithalamus
the two thalami lie on each side of which ventricle
a.1st
b.2nd
c.3rd
d.4th
c.3rd
the thalamus is a large egg shaped mass of ..
a.white matter
b.gray matter
b.gray matter
which part of the diencephalon is the gateway to the cortex acting as the main intergration station for sensory information
a.hypothalamus
b.thalamus
c.epithalamus
b.thalamus
which hormones are sysnthesised by specialised hypothalamic neurons
a.adh and oxytocin
b.acth and oxytocin
c.oxytocin and serotonin
d.serotonin and dopamine
a.adh and oxytocin