Calculate the following dosages by using dimensional analysis. 200,000 units of penicillin must be prepared from a 150,000 units in 2 mL strength solution. How many mL are needed?A.      1.2 mLB.      1.8 mLC.      2.3 mLD.      2.7 mL

Mask CPAP is used with pulmonary edema patients because it does all of the following EXCEPT:

a. decrease vascular congestion. b. reduce work of breathing. c. it is less expensive than mechanical ventilation. d. improve lung compliance.

Fluoroscopic resolution with image intensification will vary according to

a. minification gain. b. electrostatic focal point. c. input and output screen diameter. d. all of the above