Nokea
On the following diagram, label the parts of the needle and syringe that need to be kept sterile.
- A. Tip of the needle
- B. Barrel of the syringe
- C. Plunger of the syringe
- D. Hub of the needle
- E. Bevel of the needle
- F. Flange of the syringe
- G. Inside of the syringe barrel
Correct Answer: A,D,E,G
Rationale: The tip, hub, bevel of the needle, and the inside of the syringe barrel must be kept sterile as they come into direct contact with the patient's tissues or fluids, preventing infection.
You may also like to solve these questions
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.
How can you tell if a surgical pack has been sterilized?
- A. The peel pack will be sealed all the way around.
- B. The sterilizer's initials will be written on the pack.
- C. The indicator tape hash marks will appear black.
- D. The indicator tape hash marks will disappear.
Correct Answer: C
Rationale: Sterilization is confirmed by the chemical indicator tape, which changes color (e.g., hash marks turn black) after exposure to the sterilization process, indicating the pack has been properly sterilized.
Inserting an IV needle into a vein should use which technique?
- A. Sterile
- B. Clean
Correct Answer: A
Rationale: Inserting an IV needle requires sterile technique because it enters the bloodstream, a sterile environment, and contamination could lead to serious infections.
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.
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.