Which of the following anesthetics was the first to be used in the United States?
a. novacaine
b. lidocaine
c. cocaine
d. tetracaine
The first local anesthetic agent to be used in dentistry was cocaine. In 1859, Albert Niemann discovered the intraoral anesthetic or numbing effect of cocaine. Coca leaves were purified into coca extract and finally into cocaine. In 1884, Dr. Carl Koller, an Austrian ophthalmologist, performed the first surgery using topical cocaine on the cornea.
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When assessing a patient who has been stabbed. Which of the following information should the EMT gain first?
A) Angle at which the knife entered the patient B) Make and model of the knife C) Size and type of the knife D) Owner of the knife
A 53-year-old female has intentionally ingested a large amount of Valium. The EMT would recognize that the medication is being absorbed into the body through what structure?
A) Stomach B) Esophagus C) Large intestine D) Small intestine
The hyoid bone, which anchors the tongue, is included in the ____ skeleton.
A. axial B. facial C. thoracic D. appendicular
The metabolism that creates large amounts of carbon dioxide and lactic acid but generates little energy is called:
A) homeostatic. B) hyperoxic. C) aerobic. D) anaerobic.