NR 414 EXAM 4 questions with correct answers

NR 414 EXAM 4 questions with correct answers
How many pairs of cranial nerves? Correct Answer-12


How many pairs of spinal nerves? Correct Answer-31


Afferent messages Correct Answer-Sensory messages from the skin to
CNS (from sensory receptors)


Efferent messages Correct Answer-Motor messages from CNS to
muscles and glands


Cerebral cortex Correct Answer-- The center for a human's highest
functions
- Outer 6 layers
- Gray matter
- Responsible for level of consciousness, reasoning, memory


Cerebrum Correct Answer-Right and left hemispheres


Frontal lobe Correct Answer-- Personality, behavior, emotion, intellect
- Initiates voluntary movement
- Broca's area: motor speech (pronouncing words)
- Injury --> change in emotional status, personality

, Temporal lobe Correct Answer-- Auditory reception, taste, smell,
hearing
- Wernicke's area: language comprehension


Parietal lobe Correct Answer-- Sensation, touch, pressure, pain, heat,
cold


Occipital lobe Correct Answer-Visual perception


Thalamus Correct Answer-- Relay station
- Sensory pathways form synapses on way to cerebral cortex


Hypothalamus Correct Answer-- Major respiratory center with basic
function control and coordination
- Thirst, sex, hunger, temperature


Basal ganglia Correct Answer-- Motor-associated with extrapyramidal
tract which controls automatic associated movements (i.e. arm swing
with walking)
- INITIATES gross movement and motor function


Cerebellum Correct Answer-- Motor coordination and muscle tone of
voluntary movements
- FINESSES gross movement (smooth, coordinated, steady)
- Ex: playing piano