The red cell histogram is wider than normal. Which of the following is true?
a. The red blood cell distribution width (RDW) is decreased.
b. Most cells are larger than normal.
c. The coefficient of variation was calculated incorrectly.
d. Anisocytosis is present.
ANS: D
The coefficient of variation of the red cell histogram is the RDW. Thus when the histogram is broader than usual, the RDW increases.
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Which of the following BEST defines Modifier 57?
A. This modifier should be appended to the performed E/M service when it is performed during the postoperative period, and the physician who performs the E/M service is also the same physician who performed the surgery and the performed E/M service is unrelated to the surgery that had been performed. B. This modifier should be appended to the performed E/M service when an agency, company, or organization requests the performance of an E/M service to indicate that the patient, patient's family or other physician did not initiate the performed E/M service. C. This modifier should be appended to the performed E/M service when the E/M service results in the decision to perform major surgery less than 24 hours before the actual surgery is actually performed and the E/M service that led to the decision for surgery was the first identification that major surgery was required. D. This modifier should be appended to the performed E/M service when the E/M service is a) performed on the same day as another procedure or service, or b) in conjunction performed by a physician who also performs a completely distinct, independent, noteworthy service or minor procedure on the same day.
When patients are hospitalized, they:
A. hear and notice everything going on around them. B. pick-up on tension among staff members. C. spend a lot of time waiting. D. overhear telephone conversations down the hallway. E. All of the above