Nokea
Inserting a tube through the nose and into the stomach should use which technique?
- A. Sterile
- B. Clean
Correct Answer: A
Rationale: Inserting a nasogastric tube requires sterile technique because it enters the stomach, bypassing normal body defenses and posing an infection risk if contaminated.
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Delivering a baby should use which technique?
- A. Sterile
- B. Clean
Correct Answer: A
Rationale: Delivering a baby requires sterile technique to protect both the mother and newborn from infection during this invasive procedure.
Which are restricted areas in the hospital to help maintain surgical asepsis?
- A. Burn units
- B. Pediatric units
- C. Heart catheterization laboratories
- D. Surgical suites
- E. Delivery rooms
- F. Cardiac care units
Correct Answer: C,D,E
Rationale: Restricted areas like heart catheterization laboratories, surgical suites, and delivery rooms require strict surgical asepsis to minimize infection risk due to invasive procedures performed there.
Which is true of setting up and adding to a sterile field?
- A. The outer 2-inch margin of the sterile drape is considered unsterile.
- B. If the sterile drape extends below the table surface, the parts below it are considered unsterile.
- C. You may place unsterile items on a sterile field as long as you wear sterile gloves.
- D. You may touch the outer 1 inch of the sterile drape with your bare hand because it is considered unsterile.
- E. A sterile drape with a moisture-proof back is not considered unsterile if it becomes wet.
- F. When pouring sterile liquids into a basin on a sterile field, hold the bottle 12 to 14 inches above the basin.
Correct Answer: B,D
Rationale: The parts of a sterile drape extending below the table surface are considered unsterile, and the outer 1-inch margin of the drape is also unsterile, allowing bare hand contact without contaminating the field. The other options are incorrect as they violate sterile technique principles.
When you obtain a sterile pack, you notice evidence of strike-through. What will you do?
- A. Do not use the pack and dispose of it according to facility policy.
- B. Dispose of the outer wrap because it has been wet and is considered contaminated.
- C. Strike-through means the pack has passed the expiration date and is no longer sterile.
- D. Use the pack as long as the hash marks on the tape have changed colors.
Correct Answer: A
Rationale: Strike-through indicates that moisture has penetrated the sterile pack, compromising its sterility. The pack should not be used and must be disposed of according to facility policy to prevent infection risk.
Washing the perineal area should use which technique?
- A. Sterile
- B. Clean
Correct Answer: B
Rationale: Washing the perineal area uses clean technique as it involves external skin cleaning, not entry into a sterile body cavity.