Biology
12th Edition
ISBN: 9780134813448
Author: Audesirk, Teresa, Gerald, Byers, Bruce E.
Publisher: Pearson,
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Textbook Question
Chapter 40, Problem 4MC
A large receptor potential in a sensory receptor cell
a. will usually be caused by a mild stimulus.
b. will usually produce a low frequency of action potential in axons leading from the sense organ to the brain.
c. will usually stimulate a high frequency of action potentials in axons leading from the sense organ to the brain.
d. Is unrelated to the brain’s perception of the Intensity of a stimulus.
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A device that monitors the activity of the photoreceptor cells of the eye indicates that there is a constant flow of neurotransmitter being released by the photoreceptor cells. This information implies that the subject is
a. reading.
b. in a dark room.
c. outside in sunlight.
d. in a brightly lit auditorium.
e. focusing on a distant object.
Which of the following are correct?
Which one or more?
a.
Auditory fatigue is the increase in threshold after exposure to a loud sound. Auditory adaptation is a reduction in response of the auditory receptors to a sound over time followed by a steady state.
b.
The change in auditory thresholds is independent of the intensity, but dependent on the duration of the loud sound.
c.
Exposure to loud sounds is unable to damage the hair cells in the inner ear and therefore cannot lead to a permanent threshold shift.
d.
Auditory adaptation is the increase in threshold after exposure to a loud sound. Auditory fatigue is a reduction in response of the auditory receptors to a sound over time followed by a steady state.
What does the neuron composition of the dorsal root ganglion tell you about sensory coding in the somatosensory system?
a. The large axon sizes have a slower conduction velocity than small axon sizes.
b. The uniform axon sizes for all neurons indicate that they have the same conduction velocity.
c. Multiple modalities or sensations can be detected from the skin.
d. Only a single modality or sensation can be detected from the skin.
e. Processing must occur directly in the skin since the neurons in the dorsal root ganglion are second order neurons.
Chapter 40 Solutions
Biology
Ch. 40.1 - list and describe the five major types of sensory...Ch. 40.1 - Prob. 2CYLCh. 40.2 - Prob. 1CYLCh. 40.3 - Prob. 1CYLCh. 40.3 - give some examples of mechanoreceptors in your...Ch. 40.4 - describe the parts of the human ear and explain...Ch. 40.4 - Prob. 2CYLCh. 40.4 - explain how pitch and loudness are encoded?Ch. 40.5 - Prob. 1TCCh. 40.5 - Whales arent the only animals affected by human...
Ch. 40.5 - Prob. 1CYLCh. 40.5 - Prob. 2CYLCh. 40.6 - Prob. 1TCCh. 40.6 - Despite the presence of the Wind spot, you do not...Ch. 40.6 - Prob. 3TCCh. 40.6 - describe the structures of the human eye and...Ch. 40.6 - Prob. 2CYLCh. 40.6 - Prob. 3CYLCh. 40.7 - Prob. 1CYLCh. 40.7 - Prob. 2CYLCh. 40.8 - Prob. 1HYEWCh. 40.8 - Prob. 1CYLCh. 40.8 - Prob. 2CYLCh. 40.8 - Retinal implants have boon developed to provide...Ch. 40 - Prob. 1MCCh. 40 - Prob. 2MCCh. 40 - Prob. 3MCCh. 40 - A large receptor potential in a sensory receptor...Ch. 40 - Prob. 5MCCh. 40 - Prob. 1FIBCh. 40 - Prob. 2FIBCh. 40 - Prob. 3FIBCh. 40 - Prob. 4FIBCh. 40 - Prob. 5FIBCh. 40 - Prob. 1RQCh. 40 - Prob. 2RQCh. 40 - Why are we apparently able to distinguish hundreds...Ch. 40 - Prob. 4RQCh. 40 - Prob. 5RQCh. 40 - Diagram the overall structure of the human eye....Ch. 40 - Prob. 7RQCh. 40 - Compare and contrast rods and cones.Ch. 40 - Prob. 9RQCh. 40 - We dont merely identify odors. We also label them...Ch. 40 - Many people like to eat spicy foods, but most...
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