APPROVED CORRECT ANSWERS GRADED A+
2025 FIRST CLASS PASS
2025 EXAM
A
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BIOL 348 FINAL EXAM QUESTIONS AND 100%
APPROVED CORRECT ANSWERS GRADED A+
2025 FIRST CLASS PASS
What is a sensory system? - CORRECT ANSWER portion of CNS devoted to detecting and
encoding information
What are the 5 sensory modalities? - CORRECT ANSWER Vision- Photons
Hearing- Sound (pressure waves)
Smell- Volatile Chemicals
Taste- Surface Chemicals
Touch- Displacement of skin tissue
What is transduction? - CORRECT ANSWER conversion of one form of energy into another
What is intensity? - CORRECT ANSWER stimulus strength
What is identity? - CORRECT ANSWER distinguishable physical features
What is intermittency? - CORRECT ANSWER timing/duration
What is location? - CORRECT ANSWER relative position
What is range fractionation? - CORRECT ANSWER When receptors respond to overlapping
receptive ranges
What is tuning breadth? - CORRECT ANSWER number of stimuli to which neurons respond
What does a larger tuning breadth equate to for selectivity? - CORRECT ANSWER less
selective
What does tonic mean for adaption? - CORRECT ANSWER sustained firing that varies with
intensity and interval
What does phasic mean for adaption? - CORRECT ANSWER burst firing at stimulus onset
For taste, what is the encoded information/ (only 2 for taste) - CORRECT ANSWER Identity-
chemical structure
Intensity- concentration
Where are tase receptor cells housed? - CORRECT ANSWER in the papillae
2