Discuss the function of the auditory ossicles
What will be an ideal response?
The ossicles play an important role in amplifying and converting sound waves in the air into fluid movement in the inner ear. When the ossicles transmit the force of sound waves from the larger tympanic membrane to the smaller oval window, the force is concentrated in a smaller area and is increased significantly. As a lever system, the ossicles act to amplify the vibration of the oval window. Vibration of the oval window produces pressure waves in the fluid of the inner ear, but more force is needed to generate motion in fluid than in air.
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A molecule that moves electrons from the citric acid cycle to the electron transport chain is ________.
A. ADP B. H2O C. pyruvate D. NADH E. CO2
Which is not a function of the integument?
A. Temperature regulation B. Protection C. Synthesis of cholecalciferol (vitamin D precursor) D. Water loss prevention E. No exceptions; all are functions of the integument
The QRS wave on an electrocardiogram is representative of ventricular repolarization
Indicate whether the statement is true or false
during an action potential, repolarization is due to ___ ions leaving the cell.
Fill in the blank(s) with the appropriate word(s).