PNR 206 EXAM 3 2025 QUESTIONS AND ANSWERS

PNR 206 EXAM 3 2025 QUESTIONS AND
ANSWERS




Function of hypothalamus - ANS controls body temp, appetite, water balance, links nervous
& endocrine systems



Afferent - ANS carries impulses TO the CNS



Efferent - ANS carries impulses AWAY from the CNS



Cranial Nerves 1-6 - ANS I. Olfactory- Smell
II. Optic- Visual Acuity (afferent impulse)
III. Oculomotor- eye movement, dilation (efferent)
IV. Trochlear- Vertical Eye movement
V. Trigeminal-facial sensation
VI. Abducens-lateral movement of eyes



Cranial Nerves 7-12 - ANS VII. Facial- Taste
VIII. Auditory- Hearing & Balance
1




IX. Glossopharyngeal- Taste & Swallowing
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, X. Vagus- Sensation in throat
XI. Accessory- Head & Shoulder movement
XII. Hypoglossal- Tongue Movement



Parkinsons Disease - ANS S/S:
tremor
bradykinesia (slow movements)
rigidity
pill rolling
mask like face



Peripheral Nervous System - ANS made up of sensory organs such as eyes, taste buds,
olfactory receptors, touch receptors



Sympathetic Nervous System - ANS fight or flight system
increase heartrate
increase blood pressure
increase sweating
pupils dilate



parasympathetic nervous system - ANS Pupils constrict
Relaxed state
everything remains normal or relaxed



Intracranial Pressure - ANS Normal ICP is 0-15
ICP greater than 20mm is emergent
2




Caused by swelling in brain, increase in CSH, swelling, increase in blood flow
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