Which describes a controlled experiment? A. an experiment in which the dependent variable
B.
an experiment that contains two or more independent variables
C.
an experiment that contains only one independent variable
D.
an experiment that contains no independent or dependent variables
Pls help!!!

11. two 1 l iv bags are to be administered at 150 ml/hr. how long will the iv last? round to the nearest hundredths

Anurse is preparing to administer lidocaine via continuous iv infusion at 4 mg/min. available is lidocaine 2 g dextrose 5% in water 500 ml. the nurse should set the iv pump to deliver how many ml/hr? (round the answer to the nearest whole number. use a leading zero if applicable. do not use a trailing zero.)

Select a patient in the clinical setting who is receiving an anxiolytic or hypnotic drug. develop a teaching plan for the patient. what nursing considerations must you consider when using this medication in this patient?