12. When using the isolation streaking technique, the most isolated forms of the

Question

12. When using the isolation streaking technique, the most isolated forms of the organism should be in 11. What is the primary goal in the transportation of specimens to the laboratory? a. To get the specimen to the laboratory by the end which quadrant? a. Fourth of the day b. Tomaintain the specimen as near its original state b. c. Third Second as possible with minimal deterioration c. To place the specimen in formalin and then d. First transport it to the laboratory C To allow the specimen to sit, as long as it is delivered to the laboratory within 2 to 3 days after 13. If transport of the specimen is delayed, the specimen 14. Organisms that only cause infections when one or more of the host's defense mechanism is disrupted are known as: can be maintained by all of the following except: a. preservatives b. transport or holding medium. C. saltwater d. anticoagulants a. Transient flora b. Opportunistic pathogens c. Resident flora d. Normal flora 15. If transport of the specimen is delayed, the specimen 16. Growth phase where bacteria are metabolically can be maintained by all of the following except e. preservatives f. transport or holding medium. g. saltwater h. anticoagulants 17. Some bacteria grow at 25°C or 42°C, but diagnostic active and duplicating at a constant rate is a. Lag phase b. Log phase c. Stationary phase d. Death phase | 18. The ideal transport time of specimens to the laboratories routinely grow pathogenic bacteria at laboratory should be within: what temperature? a. 24 hours b. 3 hours C. 30 minutes d. 60 minutes b, r 60°C C.35° C d. 10° c 19, Quantitation (i.e., number of bacteria) on a urine 20. MacConkey agar is a(n): culture when multiplied by 1000 was reported as 10', what size calibrated loop was used? a. b. c. d. Non-selective and differential medium Enriched and selective medium Selective and Supportive medium Selective and differential medium a. 0.001 mL b. 0.01 mL c. 0.1 ml d. 1 ml

Explanation / Answer

11. b. to maintain the specimen as near its original state as possible with minimum deterioration

12. a. fourth

13. d. anticoagulant

14. b. opportunistic pathogens

15. h. anticoagulant

16. b. Log phase

17. c. 35 C

18. c. 30 minutes

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