NR-224 / NR 224 Fundamentals
Midterm Exam 1 – Skills Questions and
correct Answers Plus Rationales
(Verified Answers) 2025 |
CHAMBERLAIN UNIVERSITY
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. 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?
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?
Midterm Exam 1 – Skills Questions and
correct Answers Plus Rationales
(Verified Answers) 2025 |
CHAMBERLAIN UNIVERSITY
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. 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?
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?
