JEH QUIZ
FEATURED ARTICLE QUIZ #5
Enhanced Hotel Room Cleaning: Environmental Microbiological Sampling Investigation in a Midscale Hotel Property
A vailable to those with an active National Environmental Health Association (NEHA) membership, the JEH Quiz is offered six times per calendar year and is an easily accessible way to earn continuing education (CE) contact hours toward maintaining a NEHA credential. Each quiz is worth 1.0 CE. Completing quizzes is now based on the honor system and should be self-reported by the credential holder. Quizzes published only during your current credential cycle are eligible for CE credit. Please keep a copy of each completed quiz for your records. CE credit will post to your account within 3 business days. Paper or electronic quiz submissions will no longer be collected by NEHA staff. INSTRUCTIONS TO SELF-REPORT A JEH QUIZ FOR CE CREDIT 1. Read the featured article and select the correct answer to each JEH Quiz question. 2. Log in to your MyNEHA account at https://neha.users.membersuite.com/ home. 3. Click on Credentials located at the top of the page. 4. Select Report CEs from the drop-down menu. 5. Enter the date you finished the quiz in the Date Attended field. 6. Enter 1.0 in the Length of Course in Hours field. 7. In the Description field, enter the activity as “ JEH Quiz #, Month Year” (e.g., JEH Quiz 5, March 2025). 8. Click the Create button.
Quiz effective date: March 1, 2025 | Quiz deadline: June 1, 2025
7. Following the hotel room cleaning, sampling was conducted again __
1. Historically, hotel rooms have been linked with major bacterial and viral outbreaks, including outbreaks of a. Legionnaires’ disease. b. Norwalk-like virus. c. severe acute respiratory syndrome (SARS). d. a and c. e. all of the above. 2. For this study, a microbial sampling of high-touch surfaces was conducted in __ hotel guest rooms in midscale hotel properties in the U.S.
after the room was cleaned to allow an adequate amount of time for cleaners and surface sanitizers to air-dry.
a. 15 min b. 30 min c. 45 min d. 1 hr
8. In general, Staphylococcus aureus counts __ in each of the three areas on all high-touch surfaces sampled in the hotel room.
a. increased b. decreased c. stayed the same
a. 10 b. 15 c. 20 d. 30
9. For coliform testing in the bed area, the log concentrations before cleaning __ after the room was cleaned.
3. The guest traffic area in this study in- cluded all the following surfaces except
a. significantly increased b. significantly decreased c. stayed the same
a. closet door handles. b. drapery pull handles. c. telephone handset. d. climate control panels.
10. Study findings suggest that although some high-touch surfaces in guest rooms receive adequate attention in terms of cleaning, lodging operations need to focus on other high-touch surfaces found in hotel rooms that can serve as a reservoir for microbial contamination, namely the room carpeting. a. True. b. False. 11. The bathroom area had __ in microbial counts and RLU readings after cleaning.
4. The bed area in this study included all the following surfaces except a. lamp switches. b. light switch for the bedroom.
c. remote control keypad. d. top of the nightstand.
5. The bathroom area in this study included all the following surfaces except a. amenity trays. b. doorknob on the outside of the bathroom. c. hair dryer. d. coffee maker. 6. To control for any residual sanitizers that could be present during the sample collection, __ was added to each sample collection tube that was used to collect samples after the room was cleaned.
a. the most significant increases b. the most significant decreases c. no significant changes
12. According to study results, nightstands and bedside clocks/phone docks had the highest levels of contamination before cleaning. a. True. b. False.
JEH Quiz #3 Answers December 2024
1. e 2. b 3. d
4. a 5. e 6. d
7. a 8. d 9. d
10. a 11. c 12. a
a. peptone water b. deionized water c. Dey-Engley Neutralizing Broth d. ethyl alcohol
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March 2025 • Journal of Environmental Health
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