Describe the pathway of sound waves that result in the sensation of hearing
What will be an ideal response?
Sound waves enter the pinna and are transmitted down the external acoustic canal until they hit the tympanic membrane and cause it to vibrate. Vibration of the tympanic membrane then causes the ossicles of the middle ear to vibrate, which in turn presses on the oval window of the inner ear. Vibration of the oval window sets the fluids of the inner ear in motion. Movement of the cochlear fluids then stimulates the hair cells of the spiral organ of Corti, which in turn transmit impulses along the cochlear nerve to the auditory cortex in the temporal lobe, where interpretation of sound occurs.
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A. diffusion through fenestrations B. pinocytic vesicles C. diffusion through endothelial membranes D. diffusion through intercellular clefts E. all of the above
Tendons associated with the ankle joint include the Achilles, extensor digitorum longus, extensor hallucis longus, and tibialis anterior.
Answer the following statement true (T) or false (F)
The juxtaglomerular cells release the enzyme ________ when the macula densa cells detect low blood volume or solute concentration.
Fill in the blank(s) with the appropriate word(s).
In this sagittal section showing the upper respiratory tract, what structure does number 5 indicate?
A. Uvula B. Soft palate C. Hard palate D. Nasal conchae E. Nasal bone