Biology: The Unity and Diversity of Life (Looseleaf)
15th Edition
ISBN: 9781337408417
Author: STARR
Publisher: CENGAGE L
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Textbook Question
Chapter 33, Problem 5SQ
In the ___, neurons are arranged like maps that correspond to different parts of the body surface.
- a. retina
- b. somatosensory cortex
- c. basilar membrane
- d. occipital lobe
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Select the statement that best describes the organization of the somatosensory cortex.
a. A distorted neural representation of the body space is due to differences in the number of neurons that code high- and low-resolution areas.
b. None of the answers.
c. The body area is represented by a single map in the primary somatosensory cortex (S1).
d. A secondary somatosensory cortex is unnecessary since all somatosensory information is processed in the primary somatosensory cortex (S1).
e. A proportional neural representation for each region of the body yields a realistic map of body space.
The semicircular canals monitor angular movements of the head (dynamic euqilibrium), the receptor region in each ampulla is called a _______, which consists of a tuft of hair cells covered with a gelatinous cap (ampullary cupula).
A.
crista ampullaris
B.
utricle
C.
vestibular apparatus
D.
saccule
______ in the vestibule contain another set of hair cells that monitor head position an acceleration in a straight line (static equilibrium).
A.
membranous semicircular ducts
B.
otolith
C.
maculae
D.
ampullary cupula
What test can be conducted to see if the semicircular canals are operating normally where the subject will experience a sensation that he/she is still rotating even though the chair has stopped turning and demonstrate nystagmus?
A.
Weber test
B.
Rinne test
C.
Barany test
D.
Romberg test
The cochlea is________
A.
involved in the maintenance of body temperature.
B.
part of the organ of Corti.
C.
a fluid-filled canal.
D.
a coiled structure found in the inner ear.
Chapter 33 Solutions
Biology: The Unity and Diversity of Life (Looseleaf)
Ch. 33 - Occupational Hearing Loss Frequent exposure to...Ch. 33 - Occupational Hearing Loss Frequent exposure to...Ch. 33 - Prob. 3DAACh. 33 - Prob. 4DAACh. 33 - The pain of heartburn is an example of a ___ . a....Ch. 33 - ___ is defined as a decrease in the response to an...Ch. 33 - Which is a somatic sensation? a. taste b. smell c....Ch. 33 - Chemoreceptors play a role in the sense of ___ ....Ch. 33 - In the ___, neurons are arranged like maps that...Ch. 33 - Mechanoreceptors in the ___ send signal, to the...
Ch. 33 - Prob. 7SQCh. 33 - Prob. 8SQCh. 33 - The organ of Corti contains receptors that signal...Ch. 33 - Night vision begins with stimulation of ___ . a....Ch. 33 - Visual accommodation involves adjustment to the...Ch. 33 - When you view a close object, your lens gets ___ ....Ch. 33 - Defective or missing ___ cause mJor blindness. a....Ch. 33 - ___ causes the pupil to widen. a. Low light b....Ch. 33 - Match each structure with its description. _____...Ch. 33 - Prob. 1CTCh. 33 - A compound extracted from the leaves of the shrub...Ch. 33 - Most bats eat insects or fruit. Vampire bats,...Ch. 33 - Prob. 4CT
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