Nokea
Inserting a urinary catheter should use which technique?
- A. Sterile
- B. Clean
Correct Answer: A
Rationale: Inserting a urinary catheter requires sterile technique because it involves entering the bladder, a sterile body cavity, to prevent infection.
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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.
After assisting with a minor surgery in a dermatologist's office, you are asked to clean up the instruments prior to their sterilization. What actions will you take?
- A. Wash them in soapy water and then rinse them with clear water.
- B. Leave hinged instruments open.
- C. Rinse the instruments well with cold or warm water.
- D. Dip each instrument in disinfectant solution.
Correct Answer: A,B,C
Rationale: Proper cleaning of instruments involves washing them in soapy water to remove debris, rinsing with clear water to remove soap residue, and leaving hinged instruments open to ensure thorough cleaning and sterilization. Dipping in disinfectant is not a standard pre-sterilization step.
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.
It is important to use sterile technique when you insert tubes and needles because
- A. It is standard hospital policy and procedure, and you must comply with it.
- B. You may be carrying pathogens from patient to patient using only clean technique.
- C. You are entering body tissues not normally exposed to pathogens.
- D. You are bypassing usual body defenses against infection.
Correct Answer: C,D
Rationale: Sterile technique is critical when inserting tubes and needles because these procedures involve entering body tissues not normally exposed to pathogens and bypassing natural defenses, increasing infection risk if sterility is not maintained.