A throat swab is inoculated onto a sheep blood agar and then a rapid direct test for Streptococcus pyogenes is performed. The rapid strep test is negative. When streaking the agar plate, you should
A) flame the loop before beginning the final quadrant.
B) flame the loop after completion of all quadrants.
C) stab the agar in the area of the initial specimen placement after completion of the final quadrant.
D) both B and C.
E) all of the above
D
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A solution of pure water is placed on the left side of a chamber. A solution of 10 mol/L glucose in water is placed on the right side of the chamber. A semi-permeable membrane that only permits water to pass is placed between the two chambers. After five
A) The water moves because it is attracted to the negatively charged glucose molecules. B) The water moves to absorb the free glucose molecules. C) The water moves to evenly distribute the pressure of the glucose molecules. D) The water moves to reduce the difference in the concentration of the two solutions.
____________-based tissue sealants are used only if there is no coagulopathy present because these depend on an intact coagulation response
A. Thrombin B. Lidocaine
The Doctrine of Professional Discretion applies to:
a. medical records. b. subpoena duces tecum. c. standards of care. d. insurance policies.
The most abundant of the estrogens is:
A. progesterone B. estriol C. estrone D. estradiol