Ch. 47 Questions Flashcards
Deafness caused by loud sounds often results from damage to which receptor cells?
A) electroreceptors B) chemoreceptors C) thermoreceptors D) nociceptors E) mechanoreceptors
E) mechanoreceptors
Sound waves arriving at a listener first strike the _____.
A) tectorial membrane B) tympanic membrane C) basilar membrane D) round-window membrane E) hair cell membrane
B) tympanic membrane
The cochlea is an organ of auditory transduction that contains _____.
A) air and cells that produce wax
B) fluid with stacks of chemosensory cells
C) fluid and cells that can undergo mechanosensory transduction
D) air and small bones that vibrate in response to sound waves
E) air and statocysts activated by movement
C) fluid and cells that can undergo mechanosensory transduction
The umami receptor in the sense of taste detects _____.
A) monosodium glutamate B) glucose C) sodium ions D) potassium ions E) hydrogen ions
A) monosodium glutamate
If you experimentally reduce the concentration of K+ in the extracellular fluid surrounding hair cells in
the inner ear, the result would be like which of the following?
A) increasing the frequency of sound reaching the hair cells
B) decreasing the volume of sound reaching the hair cells
C) decreasing the frequency of sound reaching the hair cells
D) increasing the volume of sound reaching the hair cells
B) decreasing the volume of sound reaching the hair cells
External chemical signals that coordinate potential reproductive partners are called _____.
A) cytokines B) gametes C) hormones D) paracrine signals E) pheromones
E) pheromones
Sensory transduction of light in the vertebrate retina is accomplished by _____.
A) bipolar cells B) rods and cones C) ganglion cells D) amacrine cells E) horizontal cells
B) rods and cones
The blind spot in the human retina is the location that has the collected axons of _____.
A) primary visual cortex B) lateral geniculate nuclei C) bipolar cells D) ganglion cells E) optic chiasma
D) ganglion cells
The cochlea _____.
I) amplifies sound vibrations
II) collects sound pressure waves
III) detects the frequency of sounds
II) collects sound pressure waves
III) detects the frequency of sounds
Which of the following sensory receptors is correctly paired with its category?
A) rod — chemoreceptor
B) muscle spindle — electromagnetic receptor
C) taste receptor — mechanoreceptor
D) hair cell — mechanoreceptor
E) olfactory receptor — electromagnetic receptor
D) hair cell — mechanoreceptor
