Advantages of web-based surveys include all but:
a. Allows confirmation of respondent’s eligibility
b. Rapid deployment of the survey
c. Maintains respondent’s anonymity
d. Respondent may be less prone to provide socially desirable responses
Ans: a
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Describe a chain of infection for MRSA including pathogen, reservoir, portal of exit, mode of transmission, portal of entry, and susceptible host
What will be an ideal response?
Which of the following is the step in the infection cycle when an infectious agent leaves the reservoir host?
a. Portal of exit b. Portal of entry c. Mode of transmission d. Infectious agent e. Susceptible host
Which condition puts a patient at risk for wound-healing problems?
A. Diabetes mellitus B. Being underweight C. Low levels of stress D. A diet rich in vitamin C E. Being young
Which is a disadvantage of using ultraviolet (UV) irradiation as a means of disinfection?
a. The rays can kill selective vegetative bacteria, fungi, and lipoprotein viruses. b. UV rays may cause skin burns. c. UV rays produce nonionizing radiant energy. d. Pathogens have effective contact with the UV rays for destruction.