bank medical surgical nursing 9th editionMedical-Surgical Nursing: Concepts for Interprofessional Collaborative Care 9edition

1. The nursing instructor explaining infection tells students that which factor is the best and most important barrier to infection? a. Colonization by host bacteria b. Gastrointestinal secretions c. Inflammatory processes d. Skin and mucous membranes ANS: D The skin and mucous membranes are the most important barrier against infection. The other options are also barriers, but are considered secondary to skin and mucous membranes. DIF: Understanding/Comprehension REF: 416 KEY: Infection| physiology MSC: Integrated Process: Teaching/Learning NOT: Client Needs Category: Physiological Integrity: Physiological Adaptation 2. A nursing manager is concerned about the number of infections on the hospital unit. What action by the manager would best help prevent these infections? a. Auditing staff members hand hygiene practices b. Ensuring clients are placed in appropriate isolation c. Establishing a policy to remove urinary catheters quickly d. Teaching staff members about infection control methods ANS: A All methods will help prevent infection; however, health care workers lack of hand hygiene is the biggest cause of healthcare-associated infections. The manager can start with a hand hygiene audit to see if this is a contributing cause. DIF: Applying/Application REF: 417 KEY: Infection control| infection| hand hygiene MSC: Integrated Process: Nursing Process: Assessment NOT: Client Needs Category: Safe and Effective Care Environment: Safety and Infection Control 3. A student nurse asks why brushing clients teeth with a toothbrush in the intensive care unit is important to infection control. What response by the registered nurse is best? a. It mechanically removes biofilm on teeth. b. Its easier to clean all surfaces with a brush. c. Oral care is important to all our clients. d. Toothbrushes last longer than oral swabs. ANS: A Biofilms are a complex group of bacteria that function within a slimy gel on surfaces such as teeth. Mechanical disruption (i.e., toothbrushing with friction) is the best way to control them. The other answers are not accurate