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460- Exam 1
Terms in this set (20)
The two parts of the nervous system are the:
A) motor and sensory.
B) central and peripheral.
C) peripheral and autonomic.
D) hypothalamus and cerebral.
The nervous system can be divided into two parts—central and peripheral. The central nervous system includes the brain and spinal cord. The peripheral nervous system includes the 12 pairs of cranial nerves, the 31 pairs of spinal nerves, and all their branches.
What are the two parts of the Nervous System?
The CNS- Brain stem
The PNS- Includes 12 pairs of cranial nerves, 31 pairs of spinal nerves, and all of their branches.
To the CNS
Away from the CNS (EXIT)
What is the Frontal lobe concerned with?
with personality, behavior, emotions, and intellectual function.
What is the Parietal lobe concerned with?
What is the Occipital lobe concerned with?
Primary visual reception
What is the temporal lobe concerned with?
Hearing, taste, and smell
The wife of a 65-year-old man tells the nurse that she is concerned because she has noticed a change in her husband's personality and ability to understand. He also cries and becomes angry very easily. The nurse recalls that the cerebral lobe responsible for these behaviors is the _____ lobe.
The frontal lobe has areas concerned with personality, behavior, emotions, and intellectual function. The parietal lobe has areas concerned with sensation; the occipital lobe is responsible for visual reception; and the temporal lobe is concerned with hearing, taste and smell.
What is Wernicke's Area?
Area in the temporal lobe concerned with Language comprehension.
What happens if Wernicke's area is damaged?
Receptive Aphasia, person can hear sounds but they have no meaning
What is Broca's area?
Area in the Frontal lobe that mediates Motor speech
What happens when Broca's area is damaged?
Expressive aphasia, person can not talk, however they understand language. The person can only make make produce garbled sounds.
Damage to specific cortical areas produces what?
A corresponding loss of function to Motor weakness, Paralysis, Loss of Sensation.
What is the Basal Ganglia?
Associated motor system (extrapyramidal system) that initiates and coordinates movement and control automatic associated movements of body.
What is the Thalamus?
Main relay station where sensory pathways of spinal cord, cerebellum, and brain stem form synapses
Major center with basic functions
- sex drive
- heart rate
- blood pressure
- Posterior and anterior pituitary gland
- coordination of autonomic nervous system
- stress response
- emotional status
coordination of voluntary movements, equilibrium, and muscle tone. Does not initiate, but coordinates and smoothes movements
•Tend to veer toward the side with lesion
•Lack coordination with reeling and instability
•MS, stroke, intoxication, medication (phenytoin)
Central core of brain consists of nerve fibers:
- Has the pons
- Cranial nerves 3-8 originate from here
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