Turn over 11 Question 5 continued (b) Explain why the probability given in (a) may be of concern. (1) _____________________________________________________________________________________ _____________________________________________________________________________________ _____________________________________________________________________________________ _____________________________________________________________________________________ Test A is inexpensive and easy to administer. Another, Test B, also detects the presence of the psychoactive drug. Test B is considerably more accurate than Test A. However, Test B is more expensive, and involves the need for trained medical staff and a more invasive test procedure. (c) State a situation where the facility manager in charge of monitoring this drug usage might decide to use both Test A and Test B. You should also explain why the use of both tests would be beneficial both to the manager and the adults living in the facility. (4) _____________________________________________________________________________________ _____________________________________________________________________________________ _____________________________________________________________________________________ _____________________________________________________________________________________ _____________________________________________________________________________________ _____________________________________________________________________________________ _____________________________________________________________________________________ _____________________________________________________________________________________ _____________________________________________________________________________________ _____________________________________________________________________________________ _____________________________________________________________________________________ _____________________________________________________________________________________ _____________________________________________________________________________________ _____________________________________________________________________________________ _____________________________________________________________________________________ _____________________________________________________________________________________ _____________________________________________________________________________________ (Total for Question 5 is 11 marks)