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Wilson had a cup of sugar. He used 1/5 of the cup on his cereal and 1/2 of the cup in a cake. What fraction of the cup does he have left? Give your answer as a simplified fraction. Show all work on your paper and type the final answer below.

Compare the fractions. Type < or >. 38 and 25{“version”:”1.1″,”math”:”38 and 25″} _______

Compute 412-223 without first converting to improper fractions. Show all work on your paper and simplify your answer.

Compare the fractions. Type < or >. 916 and 914{“version”:”1.1″,”math”:”916 and 914″} _______

In a patient who has metabolic acidosis for which sodium bicarbonate administration would be contraindicated, which medication can be substituted?

Neuraxial anesthesia causes a blockade of the sympathetic nervous system, called a sympathectomy. What is the extent of the sympathectomy with spinal anesthesia?

Which buffering system is the second most important buffering system?

The most common concerning complication of an interscalene nerve block has affected your patient. They are now presenting with which symptoms?

Which block is NOT included in lumbar plexus blocks? 

A 46-year-old woman is found down by some bystanders. The medics are called and, upon arrival, find her with an oxygen saturation of 88% on room air and pinpoint pupils on exam. She is brought into the ER where a room air arterial blood gas is performed and reveals: pH 7.25, PaCO2 60 mmHg, PaO2 65 mmHg, HCO3- 23 mEq/L, Base Excess 1. On her chemistry panel, her sodium is 137, chloride 100, bicarbonate 25. What is your interpretation of this patient’s acid-base status?