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- QUESTION 13 13. How many minutes is an acceptable time for a centrifuge to spin blood specimens? a) 10 - 15 minutes b) 5 - 8 minutes c) 20 - 25 minutes d) 25 - 30 minutes QUESTION 14 1. What are the types of centrifuges? a)swinging-bucket or angled b)Fixed-head rotor c) Ultra-centrifuges d) all the answer are correct.Question 4.How first aid reduce the amount of pain experienced by casualties.QUESTION 25 Which country has passed a law that states all chemicals that are persistent and can accumulate in living tissue will be banned by the year 2020? a. France b. China c. The United States d. Sweden e. Norway
- 26 excavata is a wrong answerQuestion 34 Which of the following diagnostic tests is most appropriate for malaria? Question 34 options: a) A blood specimen for culture b) Thick and thin blood smears for microscopy c) A tissue specimen for culture d) A cerebrospinal fluid specimen for cultureQUESTION 8 Because _____ is colorless and odorless but can be highly toxic, it is important to have home detectors for it. a. nitrous oxide b. carbon monoxide c. ozone d. methane e. carbon dioxide