Final Exam: NR 224 NR224 Latest

Final Exam: NR 224 / NR224 (Latest

Update 2025 / 2026) Fundamentals:

Skills | Comprehensive Study Set Questions & Answers | 100% Correct | Grade A – Chamberlain

Question:

Parenteral medication administration route

Answer:

injections / injectables

Question:

Luer-lock syringe characteristics

Answer:

• used for IV and IM medications
• inner changeable needle (none attached)

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Question:

Luer-lock syringe units

Answer:

• 1mL, 3mL, 5mL, 10mL
• units in mL

Question:

Insulin syringes characteristics

Answer:

• 0.3 units ONLY
• marked in units
• ONLY used for insulin
• Insulin pushed sub-Q

Question:

Tuberculin syringe characteristics

Answer:

• 1mL capacity
• Slip-Tip end
• sub-Q meds
• transdermal / intradermal injections 2 / 4

Question:

parts of a SYRINGE

Answer:

• TIP = top by needle
• BARREL = measure dose here

- PLUNGER = DON'T TOUCH HERE

Question:

parts of a NEEDLE

Answer:

• HUB
• BEVEL = tip of needle
• SHAFT = full length of needle
• GAUGE NUMBER = the larger the number, the smaller the needle diameter

Question:

needle GAUGE

Answer:

• thickness / diameter of needle

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Question:

Needle Gauge number

Answer:

• 6-32 gauge scale
• the higher the gauge number, the finer and sharper the needle is

Question:

INTRADERMAL (ID) INJECTIONS

Answer:

• GAUGE --> 25-27g
• INJECTIONS --> 1 - 1.5 inches

Question:

INTRAMUSCULAR INJECTIONS (IM)

Answer:

• GAUGE --> 22-25g
• INJECTIONS --> 1 - 1.5 inches

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