Which of the following represents the best definition of internal validity?

All of the following are possible limitations of the alternating treatments design EXCEPT:

Which method of measurement tends to overestimate behavior?

Which of the following methods of calculating interobserver agreement (IOA) for event recording is considered the simplest and least exact method?

In addition to the strategies used to assess within-phase patterns, which strategies do we use to assess between-phase patterns when conducting a visual analysis?

Label the following part of a graph. A is . B is , C is , D is , E is , F is , G is , H is , I is , J is

A client seen in the clinic with shortness of breath and fatigue is being evaluated for a possible diagnosis of heart failure. Which laboratory result is necessary and most useful to monitor?

A nurse is planning to instruct a client on how to perform pursed-lip breathing. Which of the following statements should the nurse include? 

A patient is requiring a blood transfusion. Prior to initiating the blood transfusion vital signs are obtained and the nurse collects all needed supplies. The tubing and NS are placed at the patients bedside. Along with assessing for a patent IV site and correct size of catheter, reviewing the policy on vital sign obtainment during the transfusion and obtaining the patient consent the nurse is responsible for knowing the patients blood type and that of the donor for compatibility. The patient is AB -neg. Which type of blood can the patient receive? 

The nurse has received an order for Total Parenteral nutrition IV enhanced electrolyte solution with 20% Dextrose since the patient has not been able to take PO intake now for greater than 8 days. TPN is being recommended for the next 5 days to prevent a malnourished state. The normal saline (NS) fluids are ordered at 80ml/hr.  The patient has one IV Saline Lock at this time.  What action should the nurse anticipate?