Why is epinephrine sometimes combined with lidocaine (Xylocaine) when it is used as a local anesthetic drug?
What will be an ideal response?
Answer: Epinephrine (Adrenalin) is a powerful vasoconstrictor that decreases blood flow to the tissue. This therapeutic effect prolongs the anesthetic effect.
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Peggy's mother read on the medicine bottle that the medication would be effective for 8 hours. During Peggy's use of the drug, the medication was effective for only 70% of the length of time claimed on the bottle. Find the length of time the medication was effective. Round your answer to the nearest tenth.
A) 5.6 hours B) 46.0 hours C) 4.6 hours D) 6.6 hours E) 0.6 hours
The ________ of control is a person's belief about where the center of power lies in his or her life
A) core B) focus C) locus D) axis
The internal guidelines we use to make decisions and evaluate the world around us are termed
A) spiritual links. B) emotional responses. C) values. D) elements of conscience.
Which of the following refers to a health care professional licensed to practice medicine with a physician's supervision?
A. Registered nurse B. Physician assistant C. Health care provider D. Osteopath