Nokea
Administering an insulin injection should use which technique?
- A. Sterile
- B. Clean
Correct Answer: A
Rationale: Administering an insulin injection requires sterile technique because it involves piercing the skin with a needle, bypassing the body's natural defenses.
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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.
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.
You are assigned to observe in the cardiac catheterization laboratory. What will you do before leaving the unit to go to lunch?
- A. Change from hospital scrubs back into street clothes.
- B. Cover your scrubs with a laboratory coat or cloth isolation gown.
- C. Wear shoe covers over your shoes and a patient gown over your scrubs.
- D. No special precautions are needed when you leave the unit for lunch.
Correct Answer: B
Rationale: Covering scrubs with a laboratory coat or isolation gown prevents contamination of the sterile environment when returning to the cardiac catheterization laboratory after leaving for lunch.
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.
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.