NUR 172 LPN Scope & Medical-Surgical Nursing
Exam 2 | Verified Q&A with Rationales |
Multiple Choice & Select All That Apply |
Hondros College | Grade A
Exam Structure:
Subject: NUR 172 – LPN Scope & Medical-Surgical Nursing
Source: Hondros NUR 172 Exam 2 Document
Format: Multiple Choice, Select All That Apply, & Direct Answer with Rationales
1. What would you do if your primary or secondary tubing got
contaminated?
A) Wipe it with alcohol
B) Flush it with saline
C) Change it
D) Cap it and continue
Correct Answer: C) Change it
Rationale:
1. Contaminated tubing is a source of infection.
2. Changing the tubing eliminates the risk of introducing pathogens into
the patient’s vascular system.
3. Cleaning is insufficient for internal contamination.
2. What can an LPN do for children? (Select all that apply)
A) Obtain vital signs
B) Change a PICC line dressing
C) Insert an IV
D) Administer a flu shot
E) Adjust the rate on antibiotics
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F) Change the rate on electrolytes
G) Change an IV dressing
Correct Answer: A, B, D, E
Rationale:
1. LPNs can obtain vital signs across all ages.
2. PICC line dressing changes are within LPN scope with appropriate
training.
3. Administering immunizations (flu shot) is permitted in many states.
4. Adjusting antibiotic infusion rates may be allowed under specific
protocols.
3. What is the benefit of a biopatch?
A) Increases flow rate
B) Prevents infection
C) Reduces pain
D) Stabilizes the catheter
Correct Answer: B) Prevents infection
Rationale:
1. Biopatch contains chlorhexidine, which reduces bacterial colonization.
2. Placed around catheter insertion sites to prevent central line-
associated bloodstream infections (CLABSI).
3. Changed with each dressing change.
4. What should you flush a PICC line with?
A) Sterile water
B) Dextrose solution
C) Diluted Heparin or Saline
D) Lactated Ringer’s
Correct Answer: C) Diluted Heparin or Saline
Rationale:
1. Saline (preservative-free normal saline) is used for flushing PICC lines.
2. Heparin flushes (10 units/mL) may be used in some institutions to
maintain patency.
3. Check facility policy, as heparin is no longer universally recommended.
5. What is the goal with Central line bundles?
A) Reduce cost
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B) Speed up insertion
C) Prevent infection
D) Improve patient comfort
Correct Answer: C) Prevent infection
Rationale:
1. Central line bundles are evidence-based practices to reduce CLABSI.
2. Components include hand hygiene, maximum sterile barrier,
chlorhexidine skin prep, and daily line necessity review.
3. Goal is zero preventable infections.
6. Which of the following is considered sterile technique? (Select all
that apply)
A) Wound Care
B) NG tube insertion
C) Spike and Prime
D) PICC Line Dressing Change
E) Foley Catheter Insertion
Correct Answer: D, E
Rationale:
1. PICC line dressing changes require sterile gloves, mask, and sterile
supplies.
2. Foley catheter insertion is a sterile procedure requiring sterile gloves
and drapes.
3. Wound care may be clean or sterile depending on wound type.
7. How often is a PICC line gauze changed?
A) Every 24 hours
B) Every 48 hours
C) Every 72 hours
D) Every 7 days
Correct Answer: B) Every 48 hours
Rationale:
1. Gauze dressings absorb moisture and can become contaminated.
2. Changed every 48 hours or sooner if soiled, damp, or loose.
3. Transparent dressings may stay up to 7 days.