The following is a list of the steps that occur in the production of an auditory sensation
1. The pressure wave distorts the basilar membrane on its way to the round window.
2. Movement of the tympanic membrane causes displacement of the malleus.
3. Displacement of the stereocilia stimulates sensory neurons of the cochlear nerve.
4. Movement of the malleus causes movement of the incus and stapes.
5. Distortion of the basilar membrane forces the hair cells of the organ of Corti toward or away from the tectorial membrane.
6. Movement of the oval window establishes pressure waves in the perilymph of the vestibular duct.
What is the proper sequence for these steps?
A) 2, 4, 1, 6, 5, 3.
B) 2, 4, 6, 3, 5, 1.
C) 2, 1, 4, 6, 5, 3.
D) 2, 4, 6, 1, 5, 3.
E) 2, 5, 4, 6, 1, 3.
Answer: D
You might also like to view...
The property that allows the heart to initiate each heartbeat itself is called ________.
Fill in the blank(s) with the appropriate word(s).
Police stop a very drunk Richard for driving erratically at 3 AM and give him a breathalyzer test, which he fails miserably. Why does he fail so badly?
A. Excess surfactant has been secreted in response to alcohol. B. The thickness of his respiratory membranes prevent alcohol from evaporating out of his blood. C. His alveoli are in excellent condition. D. The thinness of his respiratory membranes allows volatile alcohol molecules to enter the alveoli and become detectable by the machine.
What is the name of the blood vessel found in the center of a hepatic lobule?
A. Hepatic vein B. Hepatic portal vein C. Central vein D. Sinusoid E. Hepatic transport vessel
Select the correct statement about a ribosome
a. It contains DNA. b. It synthesizes amino acids. c. It is often functional while attached to a nonmembranous organelle. d. It contains proteins that are synthesized at other ribosomes. e. All of the above statements are correct.