Live Webinar Quiz by george | Mar 14, 2025 First Name Last Name Email Address Date of Live Webinar Attended Please select your answer Tuesday March 18 2025 Wednesday April 16 2025 Thursday May 22 2025 Dental unit waterlines are the ideal environment for biofilm and bacteria growth due to the following? Narrow tubing Infrequent and short use times Frequent periods of water stagnation Poor waterline management All of the above None What is the standard for safe water in dental unit waterlines? Less than or equal to 200 colony forming units (CFU)/mL of heterotrophic water bacteria Less than or equal to 500 colony forming units (CFU)/mL of heterotrophic water bacteria Less than or equal to 100 colony forming units (CFU)/mL of heterotrophic water bacteria Less than or equal to 1000 colony forming units (CFU)/mL of heterotrophic water bacteria There is no standard for dental unit water quality None When should your shock your dental unit waterlines? According to MIFU (Manufacturers Instructions For Use) When you install new equipment, change waterline protocols, or use new waterline products Quarterly When a waterline test fails All of the above None Which of the following are common ways to reduce dental unit waterline contamination? No waterline heaters Flush lines for a minimum of 20-30 seconds between patients Flush all waterlines and handpieces for at least 2 minutes at the beginning of the day Staff training on dental unit waterlines and protocols All of the above None Which of the following microorganisms are slow growing bacteria? Legionella NTM Aspergillus Candida auris All of the above None Time's up
