Which anesthetic agent is contraindicated in pregnancy and laparoscopy?
a. Propofol
b. Ketamine
c. Thiopental
d. Nitrous oxide
ANS: D
Nitrous oxide can have teratogenic effects, increase intracranial pressure, cause distention of the bowel, act as a cerebral vasodilator, and is combustible.
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A nerve fiber is a ________ elongated process, usually an axon or a peripheral process
a. single b. double c. triple d. quadruple
A urine sample is analyzed at a local physician's office and shows 1+ leukocytes and nitrite negative on the dipstick analysis. The sample is sent to your lab for microscopic analysis, which reveals 0-1 WBC and 4+ bacteria
What is a possible explanation for these discrepant results?
_________________ is an imaging study that measures bone mineral density (BMD) and is used to determine whether a person may have or be at risk of having osteopenia or osteoporosis. ?
Fill in the blank(s) with correct word
A 68 year-old patient with advanced emphysema is receiving oxygen by nasal cannula at 1 L/min. The physician has ordered that the patient's SpO2 be maintained at 90%. ABG on 1 L/min are pH 7.34, PaCO2 65 torr, PaO2 55 torr, HCO3 35 mEq/L. What should the respiratory therapist recommend FIRST?
A. Initiate NIPPV B. Titrate oxygen flow to the nasal cannula C. Change to a simple mask D. Change to a non-rebreather mask