Answer the following questions
Question 1) Write down the name of three instruments which can be used to measure oxygen in gas mixtures in respiratory experiments and that don’t involve chemicals reactions.
Question 2) For cardiac catheterization, explain the characteristics of the dye used to improve visualization. Explain the characteristics of the dye used for measuring cardiac output.
Question 3) Describe briefly EEG and EMG.
Question 4) Describe the working principle of water sealed spirometer set up to measure slow lung – volume changes.
Question 5) Show how a single electric instrument can, at the same time, be the path for micro shock current flowing both to and from the patient. Use complete diagram and do a sample calculation.
Question 6) Describe the working of asynchronous and synchronous cardiac pacemaker with its block diagram.
Question 7) Write brief notes on
(a) radiography
(b) CAT scan