1
THE ULTIMATE QUESTIONS BANK |
CHAMBERLAIN NR 224 | 2025 -2026 LATEST
UPDATED VERSION | FULLY
COMPREHENSIVE VERSION WITH DEEP
EXPERT INSIGHTS + ACTUAL 100%
ACCURATE RATIONALES
, 2
1. When performing hand hygiene using an alcohol-based hand rub,
how long should you rub your hands together until they are dry?
a) 5 seconds
b) 10 seconds
c) 15 seconds
d) 20 seconds
Answer: d) 20 seconds
Rationale: The CDC recommends rubbing hands with an alcohol-
based hand rub for at least 20 seconds until the hands are completely
dry to effectively kill germs.
2. What is the appropriate angle for inserting an intramuscular (IM)
injection needle?
a) 15 degrees
b) 30 degrees
c) 45 degrees
d) 90 degrees
Answer: d) 90 degrees
Rationale: Intramuscular injections require a 90-degree angle to
ensure the medication is delivered deep into the muscle tissue for
proper absorption.
, 3
3. When applying a sterile dressing to a wound, what
is the most important step to maintain sterility?
a) Touch only the edges of the dressing
b) Use sterile gloves
c) Avoid touching the inside of the dressing
d) Clean the wound before applying the dressing
Answer: c) Avoid touching the inside of the dressing
Rationale: Touching the inside of the dressing can contaminate the
sterile surface, increasing the risk of infection.
4. Which of the following is the correct method to remove gloves to
avoid contamination?
a) Pull both gloves off simultaneously
b) Peel the first glove off by grasping the outside near the wrist, then slide the
fingers of the ungloved hand under the wrist of the remaining glove to remove it
c) Pull the gloves off by the fingertips
d) Remove gloves before removing gown
Answer: b) Peel the first glove off by grasping the outside near the
wrist, then slide the fingers of the ungloved hand under the wrist of
the remaining glove to remove it
Rationale: This method prevents contamination by avoiding contact
with the contaminated outer surface of the gloves.
5. What is the first step in performing a sterile procedure?
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a) Open the sterile package carefully
b) Perform hand hygiene
c) Put on sterile gloves
d) Prepare the sterile field
Answer: b) Perform hand hygiene
Rationale: Hand hygiene is essential to reduce microbial
contamination before any sterile technique is started.
6. When administering medication via the subcutaneous route, which
of the following needle lengths is most appropriate?
a) 3/8 to 5/8 inch
b) 1 inch
c) 1 ½ inch
d) 2 inch
Answer: a) 3/8 to 5/8 inch
Rationale: Subcutaneous injections require shorter needles to deposit
medication into the fatty tissue just under the skin.
7. How should the nurse position a patient when preparing to perform
a rectal temperature measurement?
a) Sitting upright
b) Supine with legs extended
c) Left lateral (Sim’s) position
d) Prone position
THE ULTIMATE QUESTIONS BANK |
CHAMBERLAIN NR 224 | 2025 -2026 LATEST
UPDATED VERSION | FULLY
COMPREHENSIVE VERSION WITH DEEP
EXPERT INSIGHTS + ACTUAL 100%
ACCURATE RATIONALES
, 2
1. When performing hand hygiene using an alcohol-based hand rub,
how long should you rub your hands together until they are dry?
a) 5 seconds
b) 10 seconds
c) 15 seconds
d) 20 seconds
Answer: d) 20 seconds
Rationale: The CDC recommends rubbing hands with an alcohol-
based hand rub for at least 20 seconds until the hands are completely
dry to effectively kill germs.
2. What is the appropriate angle for inserting an intramuscular (IM)
injection needle?
a) 15 degrees
b) 30 degrees
c) 45 degrees
d) 90 degrees
Answer: d) 90 degrees
Rationale: Intramuscular injections require a 90-degree angle to
ensure the medication is delivered deep into the muscle tissue for
proper absorption.
, 3
3. When applying a sterile dressing to a wound, what
is the most important step to maintain sterility?
a) Touch only the edges of the dressing
b) Use sterile gloves
c) Avoid touching the inside of the dressing
d) Clean the wound before applying the dressing
Answer: c) Avoid touching the inside of the dressing
Rationale: Touching the inside of the dressing can contaminate the
sterile surface, increasing the risk of infection.
4. Which of the following is the correct method to remove gloves to
avoid contamination?
a) Pull both gloves off simultaneously
b) Peel the first glove off by grasping the outside near the wrist, then slide the
fingers of the ungloved hand under the wrist of the remaining glove to remove it
c) Pull the gloves off by the fingertips
d) Remove gloves before removing gown
Answer: b) Peel the first glove off by grasping the outside near the
wrist, then slide the fingers of the ungloved hand under the wrist of
the remaining glove to remove it
Rationale: This method prevents contamination by avoiding contact
with the contaminated outer surface of the gloves.
5. What is the first step in performing a sterile procedure?
, 4
a) Open the sterile package carefully
b) Perform hand hygiene
c) Put on sterile gloves
d) Prepare the sterile field
Answer: b) Perform hand hygiene
Rationale: Hand hygiene is essential to reduce microbial
contamination before any sterile technique is started.
6. When administering medication via the subcutaneous route, which
of the following needle lengths is most appropriate?
a) 3/8 to 5/8 inch
b) 1 inch
c) 1 ½ inch
d) 2 inch
Answer: a) 3/8 to 5/8 inch
Rationale: Subcutaneous injections require shorter needles to deposit
medication into the fatty tissue just under the skin.
7. How should the nurse position a patient when preparing to perform
a rectal temperature measurement?
a) Sitting upright
b) Supine with legs extended
c) Left lateral (Sim’s) position
d) Prone position
