A therapist is asked to calculate the VD/VT for Mr. Goosby,…

A therapist is asked to calculate the VD/VT for Mr. Goosby, a 19-year-old patient who is being mechanically ventilated following a motor vehicle crash. The following information is available from the chart: PaO2 = 64 mm Hg, PaCO2 = 66 mm Hg, PECO2 =22 mm Hg, Minute ventilation = 16 L, FIO2 = 40%. The calculated VD/VT is ____.

Each respondent in a survey in 2005 was classified as employ…

Each respondent in a survey in 2005 was classified as employed, unemployed, or outside the labor force. The results can be cross-tabulated by marital status as the table shows:   Married Widowed, divorced, or separated Never married Employed 800 100 250 Unemployed 60 13 30 Not in the labor force 30 7 20   The chi-square test statistic is 12.45. The p-value is: