Answer to Question 1
B
Poor hand hygiene and erratic disinfection practices result in the transmission of C. difficile.
Although frequent in-services on transmission modes of C. difficile is appropriate, it does not have the most impact on preventing the spread of C difficile.
Although appropriate handling of contaminated linen is important, it does not have the most im-pact on preventing the spread of C difficile.
Although requesting stool cultures for all suspected carriers is appropriate, it does not have the most impact on preventing the spread of C. difficile.
Answer to Question 2
B
Descriptive survey designs aim to answer questions pertaining to relationships among variables.
Experimental research asks why one variable causes a predictable change in another variable. In this type of research, variables are tightly controlled and the aim is to prove a cause-and-effect relationship.
Scientific nursing research investigates nursing phenomena that can be precisely measured and quantified, such as body temperature changes, pain severity, and rates of wound healing.
Exploratory descriptive designs provide in-depth descriptions of populations or variables not previously studied. No relationships among variables are established, although the results might indicate that relationships ought to be studied in subsequent research.
B, The nurse teaches the postoperative client to use an incentive spirometer to expand the lungs.
Three Traditional Methods of Detecting Exoplanets
Cross-Sectional and Longitudinal Methods
Instructions for Completing the CMS-1500 (02/12) Claim Form Continued
Active transport: Absorption Methods in the Small Intestine
Research Methods