The movement of ions across the cell membrane is needed to accomplish repolarization. What cell structure is used to prepare for depolarization?
A) Nucleus B) Sodium potassium pump
C) Endoplasmic reticulum D) Mitochondria
B
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Today the symbol written as "Rx" is used as an abbreviation for a medical prescription. This symbol was originally:
A) An abbreviation for the Latin word recipere, meaning recipe. B) Written as a large X followed by a small r. C) Spelled out as Rex, Latin for king. D) An invocation of the Roman god Jupiter asking for his aid in effective treatment.
Usually the anchor tooth is the tooth ____________
a. being treated b. one or two mesial to the tooth being treated c. one or two distal to the tooth being treated d. any tooth exposed
Which blood vessel branches to form the right common carotid artery?
external carotid artery brachiocephalic artery internal carotid artery vertebral artery
Common actions performed by the dispatcher after receiving an emergency call include all of the following, EXCEPT:
A) receiving and entering all data regarding the call. B) relaying information to the appropriate resources. C) interpreting the information provided by the caller. D) determining if an ambulance should be dispatched.