A 74-year-old retired professor presents with a ‘thin, breat…

A 74-year-old retired professor presents with a ‘thin, breathy, weak voice’ that has developed over several years. Laryngoscopy shows prominent vocal processes, bowed vocal fold configuration, and incomplete glottic closure bilaterally. Which anatomical change MOST directly accounts for the bowed vocal fold appearance?

Gerardo is listening to a high-pitched drill, which is highe…

Gerardo is listening to a high-pitched drill, which is higher than the 1,000 Hz that can be handled by a single neuron at a time but lower than 4,000 Hz that would have been transmitted due to placement of the hairs being impacted on the basilar membrane. What principle explains his ability to hear this noise?