NR 224 Fundamentals Skills Final Exam 4 Chamberlain questions and answers update

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Skills Final Exam 3 (50 Questions and Answers
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With Rationale)(100% Verified Answers) 2026
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\2027 update b b




1. What is the correct sequence for donning personal protective equipment
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(PPE)?
a) Gloves, gown, mask, goggles b b b




b) Gown, mask, goggles, gloves b b b




c) Mask, gown, gloves, goggles
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d) Gown, gloves, mask, goggles b b b




ANS>>: b) Gown, mask, goggles, gloves
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Rationale: The correct order to don PPE is gown first to cover clothing, then mas
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k or respirator, goggles or face shield, and finally gloves to ensure all protective
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b barriers are in place before patient contact.
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2. When performing hand hygiene using an alcohol-
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based hand rub, how long should you rub your hands?
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a) 10 seconds b




b) 15 seconds b

,c) 20 seconds
b




d) 30 seconds
b




ANS>>: c) 20 seconds
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Rationale: The CDC recommends rubbing hands with an alcohol-
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based hand rub for at least 20 seconds to ensure effective microbial killing.
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3. Which site is preferred for adult intramuscular (IM) injections?
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a) Deltoid muscle b




b) Vastus lateralis b




c) Ventrogluteal site b




d) Dorsogluteal site b




ANS>>: c) Ventrogluteal site
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Rationale: The ventrogluteal site is preferred because it is away from major nerve
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s and blood vessels, providing a safer injection site with less risk of injury.
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4. What is the appropriate angle for inserting a needle during a subcutaneous i
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njection?
a) 15 degrees
b




b) 45 degrees
b




c) 60 degrees
b




d) 90 degrees
b




ANS>>: b) 45 degrees
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Rationale: Subcutaneous injections are typically given at a 45-degree angle to
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, ensure the medication is delivered into the fatty tissue below the skin but above th
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e muscle.
b




5. During wound care, what is the first step before applying a new sterile
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dressing?
a) Apply antibiotic ointment
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b) Remove old dressing carefully b b b




c) Wash hands and put on gloves
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d) Irrigate the wound b b




ANS>>: c) Wash hands and put on gloves
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Rationale: Proper hand hygiene and wearing gloves prevent contamination and p
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rotect both the patient and nurse from infection during wound care.
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6. What is the correct technique to measure a patient's blood pressure
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manually?
a) Inflate cuff until pulse disappears, then slowly deflate
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b) Inflate cuff until 20 mmHg above the point where pulse disappears, then slowly
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deflate
c) Inflate cuff to 180 mmHg, then slowly deflate
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d) Inflate cuff to 150 mmHg, then quickly deflate
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ANS>>: b) Inflate cuff until 20 mmHg above the point where pulse disappears, t
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hen slowly deflate
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Rationale: Inflating the cuff 20– b b b b




30 mmHg above the disappearance of the radial pulse ensures you capture the tr
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ue systolic pressure without missing it.
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