NURS 2528 LAB 2 QUIZ — 450 PRACTICE
QUESTIONS &ANSWERS WITH DETAILED
RATIONALES
SECTION 1: INFECTION CONTROL & HAND HYGIENE (Questions 1–60)
1. What is the most effective way to break the chain of infection?
A) Wearing gloves
B) Hand hygiene
C) Wearing a mask
D) Isolation precautions
Correct Answer: B — Hand hygiene is the single most effective method for
preventing the spread of infection and breaking the chain of infection. Gloves,
masks, and isolation precautions are important but do not replace hand
hygiene.
2. How does alcoholbased hand rub work when correctly applied?
A) Removes organisms from the skin
B) Kills organisms in seconds
C) Prevents organisms from entering the body
,D) Creates a barrier on the skin
Correct Answer: B — Alcoholbased hand rub kills organisms in seconds when
correctly applied. Soap and water removes organisms, while alcoholbased
rubs kill them rapidly.
3. How does hand hygiene with soap and water work when done correctly?
A) Kills organisms in seconds
B) Removes organisms from the skin
C) Creates a protective barrier
D) Sterilizes the hands
Correct Answer: B — Hand hygiene with soap and water removes organisms
from the skin. It does not kill organisms as quickly as alcoholbased rubs but is
effective for visibly soiled hands.
4. Which of the following is NOT one of the 4 moments for hand hygiene?
A) Before entering the patient's room
B) Before aseptic procedure
C) After body fluid exposure risk
D) After eating lunch
,Correct Answer: D — The 4 moments for hand hygiene are: before entering
patient's room, before aseptic procedure, after body fluid exposure risk, and
before leaving patient's room. After eating lunch is not one of the 4 moments.
5. When should hand hygiene be performed?
A) Only before touching a patient
B) Only after touching a patient
C) Before touching patient, before clean procedure, after body fluid exposure
risk, after touching patient, and after touching patient surroundings
D) Only when hands are visibly soiled
Correct Answer: C — Hand hygiene should be performed before touching
patient, before clean procedure, after body fluid exposure risk, after touching
patient, and after touching patient surroundings.
6. What is medical asepsis?
A) A technique that removes all microbes
B) A technique that reduces the number of microbes and prevents/reduces
transmission
C) A technique that sterilizes equipment
D) A technique used only in operating rooms
, Correct Answer: B — Medical asepsis (clean technique) reduces the number of
microbes and prevents or reduces transmission. Surgical asepsis removes all
microbes.
7. What is surgical asepsis?
A) Reduces the number of microbes
B) Prevents transmission of infection
C) Removes all microbes
D) Uses only alcoholbased hand rub
Correct Answer: C — Surgical asepsis (sterile technique) removes all
microbes. Medical asepsis only reduces the number of microbes.
8. Which of the following is a body's natural defense against disease?
A) Antibiotics
B) Vaccines
C) Saliva
D) Antiseptics
Correct Answer: C — Saliva is one of the body's natural defenses against
disease. Other natural defenses include tears, skin, mucus, good gut bacteria,
and stomach acid.
QUESTIONS &ANSWERS WITH DETAILED
RATIONALES
SECTION 1: INFECTION CONTROL & HAND HYGIENE (Questions 1–60)
1. What is the most effective way to break the chain of infection?
A) Wearing gloves
B) Hand hygiene
C) Wearing a mask
D) Isolation precautions
Correct Answer: B — Hand hygiene is the single most effective method for
preventing the spread of infection and breaking the chain of infection. Gloves,
masks, and isolation precautions are important but do not replace hand
hygiene.
2. How does alcoholbased hand rub work when correctly applied?
A) Removes organisms from the skin
B) Kills organisms in seconds
C) Prevents organisms from entering the body
,D) Creates a barrier on the skin
Correct Answer: B — Alcoholbased hand rub kills organisms in seconds when
correctly applied. Soap and water removes organisms, while alcoholbased
rubs kill them rapidly.
3. How does hand hygiene with soap and water work when done correctly?
A) Kills organisms in seconds
B) Removes organisms from the skin
C) Creates a protective barrier
D) Sterilizes the hands
Correct Answer: B — Hand hygiene with soap and water removes organisms
from the skin. It does not kill organisms as quickly as alcoholbased rubs but is
effective for visibly soiled hands.
4. Which of the following is NOT one of the 4 moments for hand hygiene?
A) Before entering the patient's room
B) Before aseptic procedure
C) After body fluid exposure risk
D) After eating lunch
,Correct Answer: D — The 4 moments for hand hygiene are: before entering
patient's room, before aseptic procedure, after body fluid exposure risk, and
before leaving patient's room. After eating lunch is not one of the 4 moments.
5. When should hand hygiene be performed?
A) Only before touching a patient
B) Only after touching a patient
C) Before touching patient, before clean procedure, after body fluid exposure
risk, after touching patient, and after touching patient surroundings
D) Only when hands are visibly soiled
Correct Answer: C — Hand hygiene should be performed before touching
patient, before clean procedure, after body fluid exposure risk, after touching
patient, and after touching patient surroundings.
6. What is medical asepsis?
A) A technique that removes all microbes
B) A technique that reduces the number of microbes and prevents/reduces
transmission
C) A technique that sterilizes equipment
D) A technique used only in operating rooms
, Correct Answer: B — Medical asepsis (clean technique) reduces the number of
microbes and prevents or reduces transmission. Surgical asepsis removes all
microbes.
7. What is surgical asepsis?
A) Reduces the number of microbes
B) Prevents transmission of infection
C) Removes all microbes
D) Uses only alcoholbased hand rub
Correct Answer: C — Surgical asepsis (sterile technique) removes all
microbes. Medical asepsis only reduces the number of microbes.
8. Which of the following is a body's natural defense against disease?
A) Antibiotics
B) Vaccines
C) Saliva
D) Antiseptics
Correct Answer: C — Saliva is one of the body's natural defenses against
disease. Other natural defenses include tears, skin, mucus, good gut bacteria,
and stomach acid.
