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CASAL 2 Neuro Assessment – Questions And Answers
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CASAL 2 Neuro Assessment – Questions And Answers
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CASAL 2 Neuro Assessment – Questions And AnswersNeuro system is comprised of ? Right Ans - The Central nervous system
and the peripheral nervous system. The Peripheral is further is divided into
Sympathetic and parasympathetic nervous system and the enteric system for
the GI tract
Neurons are Right Ans - cells that conduct impulse and communicate
within nervous system
3 types of neurons Right Ans - Sensory (afferent)
Motor (efferent)
Interneuron
Neuroglial cells Right Ans - support cells for neurons
Types of Neuroglial cells Right Ans - Schwann cells, oligodendrocytes,
astrocytes, microglia, ependymal cells
Schwann cells Right Ans -
Neurotransmitters can be Right Ans - excitatory-initiates action potential
by opening sodium channels
inhibitory-open the chloride channels letting negatively charged ions in. This
makes it hyperpolarized
examples of excitatory neurotransmitters are Right Ans - Acetylcholine and
norephrine
Examples of inhibitory neurotransmitters Right Ans - gamma-
aminobutyric acid-Gaba and dopamine and serotonin
the CNS is comprised of ? Right Ans - Brain and spinal cord
Brain has 3 parts Right Ans - cerebrum-largest part of the brain mostly
white matter
cerebellum-
brain stem
, 4 lobes of the cerebrum? Right Ans - frontal-motor mvt and personality
parietal-sensation and perception
temporal-recognition and speech
occipital-base of skull, vision
What is the relay center for sensory impulses to the cerebral cortex? Right
Ans - Thalamus, also relays info from cerebellum and basal ganglia to cerebral
cortex
Basal ganglia help coordinate movement by? Right Ans - Sending info back
and forth from thalamus to cerebral cortex
signals from the cerebellum are Right Ans - excitatory
SIgnals from basal ganglia are excitatory or inhibitory? Right Ans -
Inhibitory
Issues with basal ganglia result in ? Right Ans - Movement disorders like
Parkinson's
What is the main regulator of the ANS? Right Ans - Hypothalmus
What does the hypothalamus do? Right Ans - maintains homeostasis-
regulates Bp and Heart rate
regulates metabolism
secretes hormones
The parts of the brainstem are Right Ans - midbrain-
pons
medulla oblongata
injury to this part of the brain can be life threatening? Right Ans - The
brainstem, 10 of the 12 cranial nerves originate here.
medulla oblongata function Right Ans - regulating vital function (breathing,
digestion, heart rate), continous with the spinal cord,
Pons Right Ans - relays all info from the brain to the spinal cord
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