ICD-9-CM coding serves which of the following purposes?
A. It provides data for statistical analysis.
B. It translates written terminology into a universal, common language.
C. It establishes medical necessity.
D. All of the above.
Answer: All of the above.
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Which of the following statements about the administration of dextrose to the patient with a traumatic brain injury is TRUE?
A) Hypoglycemia is associated with a poorer neurologic outcome; if the blood glucose level is less than 60 mg/dL, administer 25 grams of dextrose. B) Hypoglycemia is inconsequential to neurologic outcome; assessing the blood glucose level is not a priority. C) Hyperglycemia is associated with a poorer neurologic outcome; never administer dextrose to a patient with traumatic brain injury. D) Hypoglycemia is associated with a poorer neurologic outcome. All patients with suspected traumatic brain injury who have an altered mental status should receive 25 grams of dextrose intravenously.
During a helium dilution test for functional residual capacity, you notice that it takes 19 min for equilibration between the gas concentrations in the spirometer and the patient's lungs. Based on this information, what can you conclude?
a. The patient has restrictive lung disease. b. The spirometer is leaking helium. c. The patient has obstructive lung disease. d. Insufficient oxygen was added to the system.