Module 4

Which of the following federal agencies is the nation's health protection agency that makes evidence-based recommendations related to the prevention and control of disease, injury, and disability? A. CDC B. NIOSH C. OSHA D. FDA

A. CDC

All of the following statements are correct with respect to surgical gowns EXCEPT which one? A. Disposable and reusable surgical gowns are Class I medical devices. B. Repellency and pore size of the fabric affect blood and OPIM penetration of the barrier and contribute to gown performance. C. Regardless of the material used to manufacture surgical gowns, they must be resistant to liquid and microbial penetration. D. Several gown sizes should be available in oral healthcare settings to ensure appropriate coverage for all staff members.

A. Disposable and reusable surgical gowns are Class I medical devices.

To safely remove PPE begins with the gloves and progresses sequentially to goggles or face shield, gown, mask or respirator, and concludes with hand hygiene immediately after removing all PPE OR the gown and gloves and progresses sequentially to goggles or face shield, mask or respirator, and concludes with hand hygiene immediately after removing all PPE. A. True B. False

A. True

A medical device for which general regulatory controls alone cannot assure safety and effectiveness is categorized by the FDA as a ____________________. A. Class I medical device B. Class II medical device C. Class III medical device D. All of the above are correct.

B. Class II medical device

All of the following statements related to protective clothing are correct EXCEPT which one? A. Surgical gowns must be worn by OHCP whenever splash, spatter, spray, and aerosols of blood or OPIM are anticipated during the clinical process. B. Scrubs, or clinical and laboratory coats or jackets worn for comfort and/or purposes of identity are considered appropriate PPE. C. Surgical gowns should have long sleeves to protect the wrists and forearms. D. Surgical gowns should cover the torso from neck to knees and wrap around the back to prevent contamination of street the clothes.

B. Scrubs, or clinical and laboratory coats or jackets worn for comfort and/or purposes of identity are considered appropriate PPE.

All of the following statements are correct with respect to patient examination and surgeon's gloves EXCEPT which one? A. Patient examination gloves and surgeon's gloves are made primarily of latex, nitrile, or vinyl. B. There are significant differences in the barrier properties of unused intact gloves. C. Vinyl gloves have higher failure rates than latex or nitrile gloves. D. To reduce the risk of latex-related allergies, low-allergen latex gloves or nitrile gloves should be used.

B. There are significant differences in the barrier properties of unused intact gloves.

All of the following statements are correct with respect to face masks EXCEPT which one? A. Face shields with high crowns and chin protection that wrap around the face to the point of the ears are recommended for infection control purposes. B. Face masks should fit snugly and the foam brow-band contoured to the wearer. C. Face shields can be worn without surgical masks. D. Eye protective devices should be cleaned with soap and water, disinfected with a hospital level disinfectant, rinsed with water, and air dried before reuse.

C. Face shields can be worn without surgical masks.

Which of the following ASTM level surgical face mask has a high level of barrier effectiveness in the presence of splash, spatter, spray and aerosols? A. Level 1 B. Level 2 C. Level 3 D. Particulate respirator

C. Level 3

Which of the following federal agencies is responsible for setting and enforcing regulations to assure safe and healthy working conditions? A. CDC B. NIOSH C. OSHA D. FDA

C. OSHA

All of the following statements are correct with respect to gloves EXCEPT which one? A. Patient examination gloves, classified as Class I medical devices, should be worn during dental cleaning, restorative, and other non-surgical dental procedures. B. Sterile surgeon's gloves are intended for use during surgical procedures to protect the provider and the wound from contamination. C. Surgeon's gloves are subject to design control requirements and are classified as Class II medical devices. D. Surgeon's gloves must be sterile when offered for sale to end-users.

C. Surgeon's gloves are subject to design control requirements and are classified as Class II medical devices.

Which of the following statements is correct with respect to cleaning (utility or general purpose) gloves? A. The FDA does not regulate cleaning (utility or general purpose) gloves used for routine janitorial functions in healthcare facilities. B. It is illegal for manufacturers to label or to suggest that such gloves as suitable for medical use. C. Gloves used for cleaning patients, or cleaning or handling surfaces or items contaminated with patient waste or fluids and patient-care devices contaminated with blood or OPIM should meet the requirements for patient examination gloves. D. All of the above are correct.

D. All of the above are correct.

Which of the following statements is correct with respect to personal protective equipment (PPE)? A. The wearing of PPE is mandated by Standard and Transmission-Based Precautions. B. PPE are medical devices designed to protect healthcare personnel from acquiring healthcare-associated infections (HAIs). C. In healthcare settings PPE include the use of surgical gowns, surgical masks, respirators, goggles, face shields, and gloves. D. All of the above are correct.

D. All of the above are correct

All of the following statements are correct with respect to particulate respirators EXCEPT which one? A. When Airborne Precautions are necessary (i.e., Transmission-based Precautions), NIOSH-certified, fit-checked particulate-filter respirator, a class II medical device, must be worn. B. NIOSH-certified N95, N99, or N100 particulate-filter respirators, which have the ability to filter particles in the range of 0.1 to 1.0 micron, have a filtration efficiency of 95, 99, and 99.8% respectively. C. Currently, the CDC recommends the use of a N95 or higher level respirator by OHCP exposed to patients with suspected or confirmed tuberculosis. D. All of the above are correct.

D. All of the above are correct.

Task-specific gloves should be worn by all OHCP to prevent contamination of the hands when _______________. A. anticipating direct contact with blood, mucous membranes, nonintact skin, and OPIM. B. having direct contact with patients who are colonized or infected with pathogens transmitted by the contact route. C. handling visibly or potentially contaminated patient care items and environmental surfaces. D. All of the above are correct.

D. All of the above are correct.

Which of the following statements is correct with respect to PPE? A. The CDC issues recommendations for when, what, and how PPE should be used to prevent exposure to infectious pathogens. B. OSHA regulations require that employers provide their employees with appropriate PPE. C. Key elements to consider when selecting PPE include the type of anticipated exposure, the durability and appropriateness of the PPE for the task, and the fit. D. All of the above are correct.

D. All of the above are correct.

Which of the following statements is correct with respect to gloves? A. Patient examination gloves and surgeon's gloves may not be washed for subsequent reuse because microorganisms cannot be removed reliably and continued glove integrity cannot be ensured. B. Washing gloves can lead to wicking (penetration of liquids through undetectable holes in the gloves) and subsequent hand contamination. C. To prevent transmission of infectious pathogens, it may be necessary to change gloves when during the course of treatment radiographs, dental charts, computer keyboards, or other equipment are touched. D. All of the above are correct.

D. All of the above are correct.

Which of the following statements is correct with respect to putting on and for the safe removal of PPE? A. The CDC recommends a hierarchical sequence of steps for putting on PPE and for the safe removal of PPE that will prevent skin, mucosal, clothing, or environmental contamination. B. Designated containers for used disposable or reusable PPE should be placed in a location convenient to the site of removal to facilitate containment of contaminants. C. Putting on PPE begins with the gown and progresses sequentially to the mask or respirator, goggles or face shield, and, finally, the gloves. D. All of the above are correct.

D. All of the above are correct.

Which of the following statements is correct with respect to surgical masks? A. Surgical masks must be worn by all OHCP during clinical activities likely to generate splash, spatter, spray, and aerosols. B. Surgical masks, which are Class II medical devices, are labeled according to their performance level on testing standards developed by the American Society for Testing and Materials (ASTM). C. Fluid resistance, bacterial filtration efficiency (BFE), particulate filtration efficiency (PFE), breathability (P-Δ), and flammability of the mask material determine surgical mask performance. D. All of the above are correct.

D. All of the above are correct.

Which of the following statements is correct with respect to the use of surgical gowns? A. Surgical gowns should be changed between patients. B. When penetrated by blood or OPIM, even intra-procedure, surgical gowns should be changed as soon as possible. C. Surgical gowns should be changed before leaving patient-care areas. D. All of the above are correct.

D. All of the above are correct.

All of the following statements are correct with respect to goggles EXCEPT which one? A. Goggles must be worn by OHCP and patients to prevent the transmission of pathogens through the conjunctival mucosa either directly (e.g., splash, spatter, spray, or aerosols) or by touching the eyes with contaminated hands or other objects. B. Goggles, which are Class I medical devices, must fit snugly from the corners of the eyes across the brow. C. Indirectly-vented goggles with anti-fog coating provide the most reliable eye protection. D. Personal eyeglasses and contact lenses are considered adequate eye protection.

D. Personal eyeglasses and contact lenses are considered adequate eye protection.