Nokea
What is the classification for the Jackson-Pratt drainage removal system?
- A. Sterile drainage system
- B. Closed drainage system
- C. Open drainage system
- D. Self-measuring drainage system
Correct Answer: B
Rationale: The Jackson-Pratt removal system is a type of closed drainage system.
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The Centers for Disease Control and Prevention (CDC) classifies wounds according to the amount of contamination. What is the classification for an uninfected surgical wound with less than a 5% chance of becoming infected postoperatively?
- A. Dirty wound
- B. Clean-contaminated wound
- C. Contaminated wound
- D. Clean wound
Correct Answer: D
Rationale: A clean wound is an uninfected surgical wound with less than a 5% chance of becoming infected postoperatively.
Hemostasis begins as soon as the injury occurs and a clot begins to form. What is the substance in the clot that holds the wound together?
- A. Fibrin
- B. Thrombin
- C. Protime
- D. Calcium
Correct Answer: A
Rationale: Fibrin in the clot begins to hold the wound together.
The nurse is irrigating a leg wound of a patient on the trauma unit. Where should the nurse direct the flow of the irrigant?
- A. From the area of least contamination to the area of most contamination
- B. Forcefully into the wound
- C. Gently over the skin into the wound
- D. From a distance of about 12 in
Correct Answer: A
Rationale: The irrigant should flow from the least contaminated area to the most contaminated area to prevent microorganisms from entering the wound.
The nurse is instructing a patient who has a drain in a surgical wound. How will the nurse indicate that the wound will heal?
- A. Primary intention
- B. Secondary intention
- C. Tertiary intention
- D. Deliberate intention
Correct Answer: C
Rationale: When wounds are kept open by a drain, they heal by tertiary intention.
The nurse is instructing a patient about the effects of smoking. What accurate information does the nurse provide?
- A. Smoking increases the amount of tissue oxygenation.
- B. Smoking increases the amount of functional hemoglobin in blood.
- C. Smoking may decrease platelet aggregation and cause hypercoagulability.
- D. Smoking interferes with normal cellular mechanisms that promote release of oxygen.
Correct Answer: D
Rationale: Smoking reduces the amount of functional hemoglobin in blood, thus decreasing tissue oxygenation. Smoking may increase platelet aggregation and hypercoagulability. Smoking interferes with normal cellular mechanisms that promote release of oxygen to tissues.