Chapter 04: Principles of Infection Prevention and Control

Chapter 04: Principles of Infection Prevention and Control

Complete Chapter Questions With Answers

Sample Questions Are Posted Below

MULTIPLE CHOICE

1. About how many people die each year in the United States from hospital-acquired infections (HAIs)?

ANS:  C

HAIs account for an estimated 1.7 million infections; $4.5 billion in costs, and 99,000 excess deaths annually.

DIF:    Recall             REF:   p. 62              OBJ:   1

2. Approximately what percent of patients receiving mechanical ventilation develop pneumonia as a complication?

ANS:  D

Approximately 25% of patients undergoing mechanical ventilation develop pneumonia.

DIF:    Recall             REF:   p. 62              OBJ:   1

3. Which of the following is considered the primary source of infection in the health care setting?

ANS:  B

Humans (patients, personnel, or visitors) are the primary source for infectious agents in the health care setting

DIF:    Recall             REF:   p. 62              OBJ:   1

4. How do endotracheal tubes increase the risk of infection?

ANS:  D

Endotracheal tubes allow pathogens to increase the risk of infection by impeding local host defenses and providing biofilms that may facilitate adherence of pathogens.

DIF:    Application    REF:   p. 62              OBJ:   5

5. All of the following factors increase the risk of surgical patients for developing postoperative pneumonia except:

ANS:  D

Patients at highest risk include elderly persons, the severely obese, those with chronic obstructive pulmonary disease (COPD) or a history of smoking, and those having an artificial airway in place for long periods. Strong cough mechanism actually helps to prevent atelectasis and pneumonia

DIF:    Recall             REF:   p. 63              OBJ:   4