When would it be MOST appropriate for a patient to take his or her prescribed nitroglycerin?
A. sharp chest pain that lasts longer than 10 to 15 minutes
B. an acute onset of dizziness during a period of exertion
C. chest pain that does not immediately subside with rest
D. difficulty breathing that awakens the patient from sleep
Answer: C. chest pain that does not immediately subside with rest
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What is an oxidizing acid?
a. A substance whose molecules possess only carbon, hydrogen, and oxygen atoms b. A substance that produces hydroxide ions, or OH-, when it is dissolved in water c. A substance that consists of molecules having atoms of hydrogen, an identifying nonmetal like chlorine, sulfur, or phosphorus, and sometimes oxygen d. Any acid that participates in a chemical reaction as an oxidizing agent
A delta check on patient results may prompt a laboratory professional to question a phlebotomist. What is a delta check?
A. Verification of the phlebotomist who drew the patient's blood B. Part of the chain-of-custody report C. Test results that have been compared with the patient's previous results D. Test results that are compared on all patients