Why is the complete blood count (CBC) the most frequently ordered clinical laboratory test?
a. Easy to perform
b. Inexpensive
c. Provides valuable information about the patient's overall health status
d. Anticoagulated blood easy to obtain
ANS: C
A thorough evaluation of the hemogram, which includes differentiation of the nucleated cells, provides valuable information about possible blood disorders. Abnormalities of blood cells can also be caused by disease in other organ systems, so it can provide a tool for screening for overall disease.
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Unintentional medication errors are common among elderly patients because:
A) doctors prescribe the wrong medications. B) elder abuse is common. C) they often have multiple prescriptions. D) caregivers can't read English.
Which of the following structures will result in the most radiopaque shadow on the chest radio-graph?
a. Aorta b. Heart c. Lungs d. Ribs
What is the most common problem with fenestrated tracheostomy tubes?
a. Relative frequency of accidental extuba-tion b. Increased likelihood of tracheomalacia c. Poor positioning of the tube fenestration d. Inability to provide mechanical ventilation
This law prohibits a physician from referring Medicare patients to clinical laboratory services where the doctor or a member of his family has a financial interest
A. the False Claims Act B. the Civil Monetary Penalties Act C. the Federal Antikickback Statute D. the Stark I Law