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The following describes a scientific investigation.  Please…

The following describes a scientific investigation.  Please read the text and the answer the questions that follow.  A research scientist was studying lizards.  The scientist wanted to know if lizards would run faster or slower depending on the types of insects that they ate.  All the lizards would be the same species.  Each group of lizards received only one species of insect for all their meals.  The insects would be: crickets, mealworms, wax worms, and fruit flies.  The lizards would be fed in their housing, not while racing because you don’t want them to get sick.  The scientist made a lizard-sized racetrack which included little infrared light beams connected to a computer.  When the lizards ran down the track a computer would record their times when they went through the lights.   A. Which is the dependent variable? B. Which is the independent (experimental) variable in this study?  

A 65 year-old male client is admitted to the ER with crushin…

A 65 year-old male client is admitted to the ER with crushing sternal pain radiating to the left arm. The patient reports that the pain started an hour ago while watching television.   Client took 1 SL Nitroglycerin without relief,.  His wife drove him to the hospital. Now in the ER, the patient’s vital signs: Temp 98.8 F, HR 114, RR 24, BP 160/94, O2 SAT 89% Room air. Patient reports his sternal pain is an “8” on a scale 0-10.  Patient’s weight is 280 lbs (BMI 35). NKDA The nurse is reviewing the laboratory results.  Which of the following would be the most important to view first?