A single, ectopic complex that occurs earlier than the next expected complex and arises from the irritable site in the ventricles is called:
A. PJC.
B. PAC.
C. PUC.
D. PVC.
Answer: D
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Symptoms of ________, which often occur suddenly and can arise daily or infrequently, are associated with a change in fluid volume in the labyrinth portion of the inner ear
a. otitis media b. otosclerosis c. Ménière's disease d. presbycusis
A patient has just taken her first dose of Zocor for her high cholesterol. Within minutes, she begins to develop hives, shortness of breath, and low blood pressure. In this case, the EMT would recognize a/an:
A) sensitized immune response. B) anaphylaxis. C) hypersensitivity reaction. D) anaphylactoid reaction.
The National Library of Medicine provides a collection of 40 computerized databases called ________ containing 18 million references.
Fill in the blank(s) with the appropriate word(s).
Which ICD-9-CM convention indicates that an entry is not classified as part of the preceding code?
A. NOS B. includes C. excludes D. NEC