The "A" disc test used to identify the species of Streptococcus is impregnated with:

A 48-year-old male is in shock from injuries sustained in a motor vehicle collision. Which assessment finding(s) is (are) most suggestive that the patient may have internal bleeding?

A) Heart rate of 148 beats/min B) Patient responds to painful stimuli with a moan C) Evisceration of abdominal contents D) Pelvic instability with a BP of 78/48 mmHg

Which drug is administered in syringes calibrated in units, commonly 50 U or 100 U, that have permanently attached needles and no dead space?

A. Vitamin B12 B. Imferon C. Heparin D. Penicillin E. Insulin