For Sinus Tachycardia, the QRS complex should be less than ________ sec

Analysis of collision data indicates that almost three-quarters of ambulance collisions take place:

a. at dusk or after dark. c. during daylight hours. b. in inclement weather. d. at intersections.

Which analyzer has the ability to quantify nucleated RBCs and calculate a corrected WBC count?

a. Coulter Gen-S b. Sysmex XE-2100 c. Abbott Cell Dyn Sapphire d. Coulter LH 780