WGU D442 Basic Nursing Skills – Timed
Mock OA Exam (70 Questions &
Answers) | Real Exam Simulation + Full
Answer Key | 2026 Updated |
Section 1: Infection Control & Medical Asepsis (Q1–Q15)
Q1. What is the single most effective way to prevent the spread of infection in healthcare settings?
A) Wearing gloves for all patient contact
B) Hand hygiene (handwashing or alcohol-based hand rub)
C) Wearing a mask at all times
D) Isolating all patients
Correct Answer: B
Rationale: Hand hygiene is the cornerstone of infection prevention.
Q2. A patient has Clostridioides difficile (C. diff). Which type of precautions should the nurse implement?
A) Standard Precautions only
B) Airborne Precautions
C) Contact Precautions
D) Droplet Precautions
Correct Answer: C
Rationale: C. diff requires Contact Precautions. Alcohol hand rub is ineffective; use soap and water.
Q3. A patient with pulmonary tuberculosis (TB) requires which type of precautions?
A) Standard Precautions
B) Contact Precautions
C) Droplet Precautions
D) Airborne Precautions
Correct Answer: D
Rationale: TB requires Airborne Precautions (N95 respirator, negative-pressure room).
Q4. When should a nurse perform hand hygiene? (Select all that apply)
A) Before touching a patient
B) Before a clean/aseptic procedure
C) After body fluid exposure risk
D) After touching a patient
E) After touching patient surroundings
, Correct Answer: A, B, C, D, E
Rationale: These are the WHO’s "Five Moments for Hand Hygiene."
Q5. In which order should the nurse remove PPE to prevent contamination?
A) Gloves → Gown → Goggles → Mask
B) Gown → Gloves → Mask → Goggles
C) Mask → Goggles → Gown → Gloves
D) Goggles → Mask → Gloves → Gown
Correct Answer: A
Rationale: Gloves are most contaminated; remove them first, then gown, goggles, mask last.
Q6. A sterile field is prepared for a procedure. The nurse leaves the room for 2 minutes to get additional
supplies. What should the nurse do upon returning?
A) Continue using the established sterile field since it was only left briefly
B) Discard the supplies and start over with a new sterile field
C) Spray the sterile field with disinfectant
D) Only replace the items that may have been contaminated
Correct Answer: B
Rationale: A sterile field left unattended is considered contaminated and must be re-established.
Q7. Which patient requires Droplet Precautions?
A) Patient with pulmonary tuberculosis
B) Patient with MRSA wound infection
C) Patient with bacterial meningitis
D) Patient with chickenpox
Correct Answer: C
Rationale: Bacterial meningitis requires Droplet Precautions (mask within 3 feet).
Q8. A nurse is preparing a sterile field. Which action contaminates the field?
A) Opening a sterile kit away from the body
B) Holding objects below the waist
C) Placing a sterile item in the center of the field
D) Keeping the field above waist level
Correct Answer: B
Rationale: Anything held below waist level is considered contaminated.
Q9. A nurse is caring for a patient on Contact Precautions. Which personal protective equipment (PPE) is
required?
A) Mask only
B) N95 respirator only
C) Gloves and gown
D) Gloves, gown, and eye protection
Mock OA Exam (70 Questions &
Answers) | Real Exam Simulation + Full
Answer Key | 2026 Updated |
Section 1: Infection Control & Medical Asepsis (Q1–Q15)
Q1. What is the single most effective way to prevent the spread of infection in healthcare settings?
A) Wearing gloves for all patient contact
B) Hand hygiene (handwashing or alcohol-based hand rub)
C) Wearing a mask at all times
D) Isolating all patients
Correct Answer: B
Rationale: Hand hygiene is the cornerstone of infection prevention.
Q2. A patient has Clostridioides difficile (C. diff). Which type of precautions should the nurse implement?
A) Standard Precautions only
B) Airborne Precautions
C) Contact Precautions
D) Droplet Precautions
Correct Answer: C
Rationale: C. diff requires Contact Precautions. Alcohol hand rub is ineffective; use soap and water.
Q3. A patient with pulmonary tuberculosis (TB) requires which type of precautions?
A) Standard Precautions
B) Contact Precautions
C) Droplet Precautions
D) Airborne Precautions
Correct Answer: D
Rationale: TB requires Airborne Precautions (N95 respirator, negative-pressure room).
Q4. When should a nurse perform hand hygiene? (Select all that apply)
A) Before touching a patient
B) Before a clean/aseptic procedure
C) After body fluid exposure risk
D) After touching a patient
E) After touching patient surroundings
, Correct Answer: A, B, C, D, E
Rationale: These are the WHO’s "Five Moments for Hand Hygiene."
Q5. In which order should the nurse remove PPE to prevent contamination?
A) Gloves → Gown → Goggles → Mask
B) Gown → Gloves → Mask → Goggles
C) Mask → Goggles → Gown → Gloves
D) Goggles → Mask → Gloves → Gown
Correct Answer: A
Rationale: Gloves are most contaminated; remove them first, then gown, goggles, mask last.
Q6. A sterile field is prepared for a procedure. The nurse leaves the room for 2 minutes to get additional
supplies. What should the nurse do upon returning?
A) Continue using the established sterile field since it was only left briefly
B) Discard the supplies and start over with a new sterile field
C) Spray the sterile field with disinfectant
D) Only replace the items that may have been contaminated
Correct Answer: B
Rationale: A sterile field left unattended is considered contaminated and must be re-established.
Q7. Which patient requires Droplet Precautions?
A) Patient with pulmonary tuberculosis
B) Patient with MRSA wound infection
C) Patient with bacterial meningitis
D) Patient with chickenpox
Correct Answer: C
Rationale: Bacterial meningitis requires Droplet Precautions (mask within 3 feet).
Q8. A nurse is preparing a sterile field. Which action contaminates the field?
A) Opening a sterile kit away from the body
B) Holding objects below the waist
C) Placing a sterile item in the center of the field
D) Keeping the field above waist level
Correct Answer: B
Rationale: Anything held below waist level is considered contaminated.
Q9. A nurse is caring for a patient on Contact Precautions. Which personal protective equipment (PPE) is
required?
A) Mask only
B) N95 respirator only
C) Gloves and gown
D) Gloves, gown, and eye protection
