An elevated potassium in a hemolyzed specimen is classified as:
a. Preanalytical error
b. Analytical error
c. Postanalytical error
d. Random error
Correct Answer: A
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Which of the following is an action caused by epinephrine in anaphylaxis?
A) Vasoconstriction B) Bronchoconstriction C) Decreased heart rate D) All of the above
The ICD-10-CM Table of Drugs and Chemicals is an alphabetic index of medicinal, chemical, and biological substances that result in poisonings and adverse effects. The first column of the table lists generic names of drugs and chemicals with four columns for poisonings, one column for adverse effects, and one column for underdosing. Which column is reviewed to locate a code for a poisoning that
results from a deliberate overdose, such as a suicide attempt, of substance(s) administered/taken or intoxication that includes purposely combining prescription drugs with nonprescription drugs or alcohol? a. Poisoning: Accidental (Unintentional) b. Poisoning: Intentional Self-Harm c. Poisoning: Assault d. Poisoning: Undetermined
ICD-10-CM subcategory codes contain __________ characters
a. 3 or 4 b. 4 or 5 c. 5 or 6 d. 6 or 7
An abnormality in the ventricles may be identified on the ECG strip by:
a. distorted, varying P wave pattern b. wide spaces in between waves c. wide and bizarre QRS complex d. too fast heart rate