A school-age child has an abrupt onset of sore throat, nause…

A school-age child has an abrupt onset of sore throat, nausea, headache, and a temperature of 102.3°F. An examination reveals petechiae on the soft palate, beefy-red tonsils with yellow exudate, and a scarlatiniform rash. What is the most important initial test to order?

Order the following steps in force generation by actin and m…

Order the following steps in force generation by actin and myosin, beginning with the initial binding of myosin to actin to initiate the powerstroke:  Release of MgADP Movement of the lever arm Binding of MgATP Release of inorganic phosphate Hydrolysis of MgATP