Which of the following would stain most strongly for myeloperoxidase?
a. Lymphoblasts
b. Auer rods
c. Monocytes
d. Normal myeloblasts
ANS: B
Auer rods are strongly positive for myeloperoxidase. Sometimes Auer rods that cannot be seen with a Wright stain are visible after staining for myeloperoxidase. Monocytes are only very weakly positive for this enzyme, whereas normal myeloblasts and lymphoblasts (both normal and malignant) are negative.
You might also like to view...
In order to control the cost of suction supplies for a home care patient, which of the following is an acceptable strategy?
a. Wash catheters in detergent and hot water between uses. b. Use one catheter per day, and place it in disinfectant between uses. c. Save used catheters for resterilization through the autoclave. d. Wash catheters in soap and cold water when not in use.
The operating room fee includes the:
A) room and staff. B) instruments and drugs. C) physician and supplies. D) all of the above.