A labial salivary gland biopsy showed the replacement of normal parenchyma with granulomas. There was no scarring and no ductal dilatation. This biopsy suggests:

Tears are isotonic and equivalent to 0.45% sodium chloride solution

Indicate whether the statement is true or false

Which of the following cleaning methods for surgical instrumentation relies on bubbles imploding, creating a vacuum that dislodges minute particles in crevices of instruments?

a. manual soak b. ultrasonic cleaner c. washer decontaminator d. washer sterilizer