Which of the following can be used to determine the trend in cardiac output?
A. A-aDO2
B. Charles' Law
C. C(a-v)O2
D. Bohr's
Answer: C. C(a-v)O2
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A cochlear implant hearing assessment using a tympanometer would be reported using code ____________________.
Fill in the blank(s) with the appropriate word(s).
Standardization of ECG machines is a means of verifying that each machine deflects 10 ________ in response to 1 mV of electricity in sensitivity.
A. inches B. centimeters C. millimeters D. feet
A(n) ________ agent is a living microorganism or its toxin that may cause human disease. A label with this and a biohazard symbol must be affixed to a package containing a microbiologic specimen sent through the mail.
Fill in the blank(s) with the appropriate word(s).
A clinician has administered an injection for a restorative procedure. The patient immediately becomes anxious and restless, clutching his chest. The clinician reassures the patient in a calm voice after which the patient's breathing slows and he feels calmer. Which of the following describes what has likely occurred?
A) Local anesthetic overdose B) Vasoconstrictor overdose C) Hypersensitivity reaction to the sulfite preservative D) Mild myocardial infarction