Chapter 8 Sterile Technique

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Chapter 8  Sterile Technique

 

 

Complete Chapter Questions And Answers
 

Sample Questions

 

MULTIPLE CHOICE

1. When the following concepts are compared, which is most important in maintaining a safe environment by following aseptic principles?
a.
Performing a surgical hand scrub
b.
Applying a sterile gown
c.
Recognizing the importance of following aseptic principles
d.
Applying a mask and protective eyewear

ANS: C
A nurse in an operating room follows a series of steps toward sterile technique, such as applying a mask, protective eyewear, and a cap; performing a surgical hand scrub; and applying a sterile gown and sterile gloves. In contrast, a nurse who is performing a sterile dressing change at a patient’s bedside or in the home setting may only wash the hands and apply sterile gloves. Regardless of the procedures followed or the setting, the nurse needs to recognize the importance of following strict aseptic principles.

DIF: Cognitive Level: Application REF: Text reference: p. 181
OBJ: Identify principles of surgical asepsis. TOP: Aseptic Principles
KEY: Nursing Process Step: Assessment MSC: NCLEX: Physiological Integrity

2. The nurse is preparing to provide wound care for her patient. She realizes that the most effective way to decrease the bacterial count on her hands is to wash her hands using:
a.
soap and water only.
b.
a nonalcohol antiseptic alone.
c.
a 50% alcohol-based antiseptic alone.
d.
a 60% to 95% alcohol-based antiseptic alone.

ANS: D
Studies have shown that antiseptics containing 60% to 95% alcohol alone, or 50% to 95% alcohol, when combined with other selected antiseptics (e.g., chlorhexidine), lower bacterial counts on the skin more effectively than do other antiseptics without alcohol. An alcohol-based hand rub may be used as a preoperative hand scrub after an initial 15-second prewash with plain soap and water.

DIF: Cognitive Level: Synthesis REF: Text reference: p. 182
OBJ: Identify principles of surgical asepsis. TOP: Antiseptic Hand Wash
KEY: Nursing Process Step: Implementation
MSC: NCLEX: Physiological Integrity

3. The nurse is applying for a job at a local hospital. She wants to look her best for the interview and decides to wear artificial nails. She does this knowing that artificial nails:
a.
are appropriate in the ICU setting as long as the nurse washes her hands frequently.
b.
can lead to fungal growth under the nail.
c.
can actually lower the bacterial count on the hands because they cover the natural nail.
d.
are banned only in areas where patients are critically ill.

ANS: B
Numerous reports identify that fungal growth frequently occurs under artificial nails as a result of moisture becoming trapped between the natural nail and the artificial nail. Because of the risks for infection posed by artificial nail use, health care workers who have direct contact with patients at high risk (e.g., those in intensive care units or operating rooms) should not wear artificial nails. Health care workers who wear artificial nails or nail extenders are more likely to harbor gram-negative pathogens on their fingertips, both before and after handwashing. Many health care institutions have chosen to ban artificial nails and extenders in all clinical areas, with the rationale that all patients are at risk for infection.

DIF: Cognitive Level: Application REF: Text reference: p. 182
OBJ: Identify principles of surgical asepsis. TOP: Artificial Nails
KEY: Nursing Process Step: Assessment MSC: NCLEX: Physiological Integrity

4. When removing the mask after an aseptic procedure, what should the nurse do first?
a.
Remove gloves.
b.
Untie top strings of mask.
c.
Untie bottom strings of mask.
d.
Untie top strings and let mask hang.

ANS: A
Remove gloves first, if worn. This prevents contamination of hair, neck, and facial area by contaminants on gloves. Untie the top strings of the mask after untying the bottom strings. This prevents the top part of the mask from falling down over the clothing. If the mask falls and touches the clothing, it will be contaminated.

DIF: Cognitive Level: Application REF: Text reference: p. 184
OBJ: Apply and remove a cap, mask, and eyewear correctly. TOP: Removing the Mask
KEY: Nursing Process Step: Implementation
MSC: NCLEX: Physiological Integrity

5. An appropriate principle of surgical asepsis is that:
a.
the entirety of a sterile package is sterile once it is opened.
b.
all of the draped table, top to bottom, is considered sterile.
c.
an object held below the waist is considered contaminated.
d.
if the sterile barrier field becomes wet, the dry areas are still sterile.

ANS: C
A sterile object or field out of the range of vision or an object held below a person’s waist is contaminated. Once a sterile package is opened, a 2.5-cm (1-inch) border around the edges is considered unsterile. Tables draped as part of a sterile field are considered sterile only at table level. A sterile barrier that has been permeated by punctures, tears, or moisture must be considered contaminated.

DIF: Cognitive Level: Application REF: Text reference: p. 182
OBJ: Perform the following skills: applying sterile gloves using open glove method, preparing a sterile field, applying a sterile drape correctly. TOP: Sterile Field
KEY: Nursing Process Step: Implementation
MSC: NCLEX: Physiological Integrity

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