Past exams collection

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Bioengineering of the Respiratory System 27 Feb 2017 FAMILY NAME………………………… NAME ……………………………. MATR ………… ORAL: 2 Mar (h. 10.00-12.30)  2 Mar (h. 14.30-17.30)  3 Mar (h. 10.00-12.30)  3 Mar (h. 14.30-17.30)  next exam sessions Q.1) (10 Points) In the graph here aside, a subject’s spirogram (spontaneous breath + full inspiration + forced expiration) is shown. …/3 – 1.a) Draw in the box the tracing of the flow signal, indicating exactly, for each sample indicated in the previous graph, the values of the corresponding flow and the shape of the signal. Provide a comment on how did you obtain the result. ………………………………… ………………………………… ………………………………… ………………………………… ………………………………… ………………………………… ………………………………… ……………………………………………………………………………………………………… ……………………………………………………………………………………………………… …………………………………………………………………………………………………..….. …………………………………………………………………………………………………..….. …………………………………………………………………………………………………..….. …………………………………………………………………………………………………...….. time (sec) 0.00 0.50 1.00 1.50 2.00 2.50 3.00 3.50 4.00 4.50 5.00 5.50 6.00 6.50 7.00 7.50 8.00 8.50 9.00 9.50 10.00 0 0.5 1.0 1.5 2.0 2.5 -0.5 3.0 3.25 -0.75 Volume variation (L) time (sec) 0.00 0.50 1.00 1.50 2.00 2.50 3.00 3.50 4.00 4.50 5.00 5.50 6.00 6.50 7.00 7.50 8.00 8.50 9.00 9.50 10.00 Flow (L/sec) …/3 – 1.b) Define and calculate the following parameters for the subject considered before: Definition Value (measurement units) VT ……………………………………….……………… ……………………………………….……………… fB ……………………………………….……………… ……………………………………….……………… V’E ……………………………………….……………… ……………………………………….……………… IC ……………………………………….……………… ……………………………………….……………… IRV ……………………………………….……………… ……………………………………….……………… ERV ……………………………………….……………… ……………………………………….……………… FVC ……………………………………….……………… ……………………………………….……………… FEV1 ……………………………………….……………… ……………………………………….…………………