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NUR 172- Exam 3 (Neuro)/21 questions and answers
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NUR 172- Exam 3 (Neuro)/21 questions and answers
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NUR 172- Exam 3 (Neuro)/21 questions andanswers
Which division of the nervous system includes the brain and spinal cord? - -
Central nervous system (CNS)
- Which division of the nervous system includes the motor and sensory
nerves which carry messages between CNS and remote parts of the body? -
- Peripheral nervous system (PNS)
- The PNS consists of - - -cranial nerves
-spinal nerves
-ANS
- The reticular activating system (RAS) is responsible for - - Wakeful state-
interruption of blood supply to RAS causes altered LOC
- What are the two divisions of the ANS? - - sympathetic and
parasympathetic
- What is the action of the sympathetic nervous system? - - Fight or flight
response. Increased heart rate, bronchodilation, decreased gastric motility
and secretion, decrease intestine peristalsis, increased release of glucose
from the liver, dilation of pupils, increased sweating (cholinergic), increased
secretion of adrenal medulla, relaxes bladder
- What are the main neurotransmitters involved in sympathetic nervous
system? - - norepinephrine and epinephrine
- What is the main neurotransmitter of the parasympathetic nervous
system? - - acetylcholine
- What is the action of the parasympathetic nervous system? - - Rest and
digest: decrease heart rate, constrict the bronchioles and stimulate
secretion, increase salivation, increase GI peristalsis, and pancreatic
secretion, constricts the pupils, causes bladder contraction and dilates
vessels of the genitalia
- Which division of the nervous system regulates involuntary functions of the
internal organs? - - Autonomic nervous system (ANS)
- Example of metabolic disorder causing RAS dysfunction - - hypoglycemia
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