PSC 101 Midterm 2
PSC 101 EXAM 2 Study Guide
Part 1- Sensory Systems
1. Sound can best be thought of as
a) compression of air molecules by an object.
b) changes in air pressure produced by the vibration of an object.
c) particles of energy that travel at better than 20 miles per hour.
d) packets of energy.
e) expansion of air molecules produced by an object as it moves through air.
2. The loudness of a sound is related to
a) the amplitude of sound vibration.
b) the distance between the successive air vibrations.
c) the complexity of the sound waves.
d) its frequency of vibration.
e) the total duration of the sound stimulation.
3. Sound is funneled into the auditory canal via the
a) outer channel
b) inner ear.
c) tectorial membrane.
d) tympanic membrane.
e) pinna.
4. The ossicles are found within the
a) outer ear.
b) inner ear.
c) organ of Corti.
d) pinna.
e) middle ear.
Choose the correct answer (not all answers may be used)
5. Bend in response to displacement by the tectorial membrane
6. Concentrate sound energies in middle ear, resulting in amplification
7. Convert sound into neural activity
8. External ear
9. Contains the basilar membrane
10. Sends signals to the brain in response to hair cell stimulation in the inner ear
a) The pinna, b) The ossicles, c) middle ear muscles, d) hair cells
e) The vestibulocochlear nerve, f) The tympanic membrane,
g) The stereocilia , h) The oval window, i) The cochlea, j) The ear canal
11. In the ascending auditory pathway,” the inferior colliculus projects auditory impulses to the a) Cochlear nucleus. b) Lateral geniculate nucleus
c) Medial geniculate nucleus.
d) Primary auditory cortex.
12. Tonotopic organization is an orderly arrangement of auditory neurons within the brain, which respond selectively to different ______________ of sound. a) amplitudes b) pitches c) frequencies d) intensitie
13.
Part 1- Sensory Systems
1. Sound can best be thought of as
a) compression of air molecules by an object.
b) changes in air pressure produced by the vibration of an object.
c) particles of energy that travel at better than 20 miles per hour.
d) packets of energy.
e) expansion of air molecules produced by an object as it moves through air.
2. The loudness of a sound is related to
a) the amplitude of sound vibration.
b) the distance between the successive air vibrations.
c) the complexity of the sound waves.
d) its frequency of vibration.
e) the total duration of the sound stimulation.
3. Sound is funneled into the auditory canal via the
a) outer channel
b) inner ear.
c) tectorial membrane.
d) tympanic membrane.
e) pinna.
4. The ossicles are found within the
a) outer ear.
b) inner ear.
c) organ of Corti.
d) pinna.
e) middle ear.
Choose the correct answer (not all answers may be used)
5. Bend in response to displacement by the tectorial membrane
6. Concentrate sound energies in middle ear, resulting in amplification
7. Convert sound into neural activity
8. External ear
9. Contains the basilar membrane
10. Sends signals to the brain in response to hair cell stimulation in the inner ear
a) The pinna, b) The ossicles, c) middle ear muscles, d) hair cells
e) The vestibulocochlear nerve, f) The tympanic membrane,
g) The stereocilia , h) The oval window, i) The cochlea, j) The ear canal
11. In the ascending auditory pathway,” the inferior colliculus projects auditory impulses to the a) Cochlear nucleus. b) Lateral geniculate nucleus
c) Medial geniculate nucleus.
d) Primary auditory cortex.
12. Tonotopic organization is an orderly arrangement of auditory neurons within the brain, which respond selectively to different ______________ of sound. a) amplitudes b) pitches c) frequencies d) intensitie
13.