Nervous system Flashcards
Functions of the nervous system
Sensory functions, integrating functions, and motor functions
Neuron anatomy includes
Soma, dendrite, and axon
CNS includes the…
Brain and spinal cord
PNS includes the…
Cranial nerves and peripheral nerves
Afferent nerves conducts impulses ___ the CNS
Toward
Efferent nerves conduct impulses ___ from the CNS
Away
Somatic nervous system…
Voluntary control of skeletal muscles
Autonomic nervous system…
Controls and coordinates automatic body functions
CNS consists of…
Cerebrum, cerebellum, diencephalon, and the brain stem
The cerebrum is responsible for
Higher function learning
The cerebellum is responsible for
Balance/coordinated movements
The Diencephalon is composed of
Thalamus, hypothalamus, and pituitary gland
The Brain stem is composed of
Medulla oblongata, pons, and the midbrain
The meninges are composed of
Dura matter, pia matter, and arachnoid
The spinal cord is composed of ____ matter.
White
How many cranial nerves are there?
12
Sympathetic nervous system is a ____ or ____ response
Fight or flight
Parasympathetic nervous system triggers a ___ & ___ response
Stay and play
Primary neurotransmitter for the Sympathetic NS is
Norpenephrine
Primary neurotransmitter for the Parasympathetic NS is
Acetylcholine
The stretch reflex is also called a ____ reflex
Patellar
Withdrawal reflex is shown through a
Toe pinch
Cross extensor reflex causes
Immediate movement of the limb
Conscious proprioception checks for damage to the…
Spinal cord
The corneal reflex is used to
See the depth of anesthesia, and good to check death
Pupillary light reflex causes the ____ to restrict
Pupil
Analgesia is
Without pain
Nociceptor is a
Pain receptor
Anesthesia is
Without sensation
Ataxia is
Incoordination or stumbling
Zoonosis
Transferred from animals to humans
