Many antibiotic oral suspensions lose significant potency. Therefore, how many days after they are mixed will they expire?

You are attempting to assess the blood pressure of a 35-year-old male at the scene of a multiple vehicle collision. The scene is very noisy and you are unable to clearly hear the patient's heartbeat. You should:

A) have your partner try auscultating the blood pressure. B) use an automatic blood pressure machine. C) obtain the blood pressure by palpation. D) try using the patient's other arm.

A heart rate greater than 100 is said to be a

A) myocardium. B) bundle branch block. C) bradycardia. D) tachycardia.