What is the optimum depth of penetration for a PSA nerve block?

A) 6 mm
B) 9 mm
C) 16 mm
D) 22 mm


C

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For a patient breathing in room air, the EMT would estimate the FiO2 to be:

A) 0.15. B) 0.21. C) 0.55. D) 1.00.

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Atazanavir (Reyataz®) is a protease inhibitor that is NOT used in infants younger than 3 months because it may cause:

A) kernicterus B) hepatitis C) brain damage D) aplastic anemia

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Which of the following is used to clean delicate instruments and instruments that have moving parts?

A. sterilization B. disinfection C. sanitization D. ultrasonic cleaning

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Which anemia results from an inadeqaute dietary intake of vitamin B12?

a. nutritional deficiency c. hemolytic b. hemorrhagic d. pernicious

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