What is the highest flow rate on a flow-restricted, oxygen-powered ventilation (demand valve) device?

A new test for breast cancer is found to have a sensitivity of 85.0% and a specificity of 90.0%. If the prevalence of breast cancer is 3.5% in women over 45 years old,

what is the predictive value of a positive test result (PV+) in this group? A. 60.0 B. 50.5 C. 30.0 D. 23.6

Any laundry that is damp but not dripping must be _____________

a. placed in a plastic bag b. placed in the container with other contaminated clothing c. allowed to dry before placing it in the contaminated clothing container d. Damp laundry is not a problem in a dental office.