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Quizzes > Quizzes for Business > Healthcare

Test Your Insulin Administration Competency Quiz

Assess Practical Insulin Delivery Skills and Knowledge

Difficulty: Moderate
Questions: 20
Learning OutcomesStudy Material
Colorful paper art depicting a quiz on Insulin Administration Competency

Are you ready to master insulin administration? This competency quiz challenges your insulin injection techniques and dosage calculations with practical multiple-choice questions. Ideal for nursing students, pharmacists, and healthcare professionals seeking to validate skills and deepen understanding. Each question is fully editable in our intuitive editor - tailor the content to your curriculum or training needs. For broader practice, explore the Medication Administration Knowledge Test, try the Nursing Clinical Competency Quiz, or browse quizzes for more assessments.

Which injection site offers the fastest absorption of subcutaneous insulin?
Deltoid
Buttock
Abdomen
Thigh
The abdomen has the richest blood supply of common subcutaneous injection sites, leading to the fastest insulin absorption. Sites like the thigh, buttock, and deltoid absorb more slowly due to less consistent blood flow.
At what angle is a subcutaneous insulin injection typically administered?
15 degrees
45 degrees
90 degrees
30 degrees
Standard subcutaneous insulin injections are given at a 90-degree angle to ensure proper delivery into adipose tissue. Shallower angles like 45 degrees may be used only for very thin patients.
Before drawing insulin from a vial, what is the correct aseptic step?
Remove the vial cap without cleaning
Heat the vial to room temperature under water
Swab the rubber stopper with an alcohol wipe
Wipe the injection site instead of the vial
Swabbing the vial's rubber stopper with alcohol reduces bacterial contamination before needle insertion. Skipping this step increases infection risk and can compromise insulin sterility.
What practice helps prevent lipodystrophy at injection sites?
Always use the same spot
Massage the site after injection
Rotate injection sites
Aspirate before injection
Rotating injection sites prevents repeated trauma and insulin pooling that lead to lipodystrophy. Injecting repeatedly in the same area can cause fat atrophy or hypertrophy.
Where should used insulin needles be disposed?
Sharps container
Kitchen sink
Regular trash bin
Recycling bin
Used insulin needles must go into a designated sharps container to prevent needle-stick injuries and contamination. Disposing in household waste or recycling is unsafe and noncompliant.
A sliding scale orders 1 unit for every 50 mg/dL blood glucose above 150. For a reading of 250 mg/dL, how many correction units are needed?
3 units
1 unit
2 units
4 units
The blood glucose is 100 mg/dL above the 150 mg/dL threshold (250−150=100). At 1 unit per 50 mg/dL, 100 ÷ 50 equals 2 units.
Using a carbohydrate ratio of 1 unit per 10 grams, how many insulin units are needed for a 60-gram carbohydrate meal?
4 units
6 units
5 units
8 units
With a ratio of 1 unit per 10 grams of carbohydrate, 60 grams requires 60 ÷ 10 = 6 units. This calculation ensures proper mealtime insulin coverage.
When mixing NPH (cloudy) and regular (clear) insulin in one syringe, what is the correct order?
Use separate syringes only
Draw up regular before NPH
Mix both in vial together
Draw up NPH before regular
Drawing regular (clear) insulin first prevents contaminating the short-acting vial with the cloudy NPH. Contamination can alter the action profile of regular insulin.
Why should cloudy insulin be gently rolled between the palms before drawing up?
To warm the insulin
To remove air bubbles
To sterilize its surface
To ensure a uniform suspension
Gently rolling mixes the insulin suspension and evenly distributes the crystals. Shaking vigorously can create foam and affect dose accuracy.
A blood glucose reading of 60 mg/dL indicates which condition?
Hypoglycemia
Hyperglycemia
Euglycemia
Diabetic ketoacidosis
A reading below 70 mg/dL is classified as hypoglycemia and may require prompt treatment with fast-acting carbohydrates. Hyperglycemia refers to elevated glucose above normal range.
Which injection site has the slowest insulin absorption rate?
Buttock
Deltoid
Abdomen
Thigh
The buttock has the slowest absorption due to relatively lower blood flow in subcutaneous tissue. The abdomen absorbs fastest, followed by the arm and thigh.
How long should you wait for an alcohol swab site to air-dry before injecting insulin?
2 minutes
Immediately
About 30 seconds
5 minutes
Allowing the site to air-dry for approximately 30 seconds completes disinfection and prevents a stinging sensation. Injecting too soon can push alcohol into tissue.
What is the recommended method to remove air bubbles from an insulin syringe?
Inject without removing bubbles
Shake the syringe gently
Tap the syringe and expel bubbles to the top
Aspirate bubbles out quickly
Tapping moves bubbles upward so they can be expelled before injection, ensuring accurate dosing. Shaking can introduce more bubbles or foam.
After inserting the insulin needle, how long should you hold it in place before withdrawing?
1 second
30 seconds
5 seconds
10 seconds
Holding the needle for about 10 seconds ensures the full dose is delivered into the tissue. Withdrawing too quickly may result in insulin leakage.
To reduce injection pain, insulin should be at what temperature?
Body temperature
Refrigerated
Cold from freezer
Room temperature
Room-temperature insulin causes less discomfort upon injection compared with cold insulin. Drawing directly from the refrigerator can increase pain and absorption variability.
A patient uses a carbohydrate ratio of 1:10 and a correction factor of 1 unit per 50 mg/dL above 100 mg/dL. For 45 g of carbs and a pre-meal glucose of 200 mg/dL, what total insulin dose is needed?
2 units
7.5 units
4.5 units
6.5 units
Carb dose = 45÷10 = 4.5 units. Correction = (200−100)÷50 = 2 units. Total dose = 4.5 + 2 = 6.5 units.
Fasting hyperglycemia due to overnight growth hormone and cortisol release is known as the:
Dawn phenomenon
Reactive hyperglycemia
Somogyi effect
Insulin resistance
The Dawn phenomenon describes early-morning hyperglycemia from counter-regulatory hormones released at dawn. The Somogyi effect is rebound hyperglycemia after nocturnal hypoglycemia.
A patient has documented blood glucose of 60 mg/dL at 2 AM and a fasting level of 220 mg/dL. What explains this pattern?
Dawn phenomenon
Somogyi effect
Lipodystrophy
Insulin stacking
The Somogyi effect occurs when nocturnal hypoglycemia triggers a rebound hyperglycemia in the morning. The Dawn phenomenon does not involve an initial overnight hypoglycemia.
What is the recommended one-handed technique for recapping a used syringe if necessary?
Use both hands with cap on table
One-handed scoop method
Never recap under any circumstance
Two-handed recap
The one-handed scoop method minimizes needle-stick risk by sliding the cap over the needle using only one hand. Two-handed recapping significantly increases injury risk.
Before each insulin injection with a pen device, what priming step ensures an accurate dose?
Inject directly without priming
Dial 2 units and press until a drop appears
Shake and dial 1 unit
Dial full dose then expel half
Priming 2 units and confirming a droplet ensures there is no air in the needle and that the pen is delivering insulin accurately. Skipping this step can lead to underdosing.
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Learning Outcomes

  1. Identify correct insulin injection sites and techniques.
  2. Demonstrate accurate dosage calculation for insulin therapy.
  3. Apply aseptic preparation and handling of insulin.
  4. Interpret blood glucose readings for dosing decisions.
  5. Evaluate patient education strategies for insulin administration.
  6. Master safe disposal practices for needles and sharps.

Cheat Sheet

  1. Know your injection sites - You'll rotate between your abdomen, thighs, upper arms, and buttocks like a seasoned artist choosing canvases. Rotating sites prevents lipodystrophy and keeps insulin absorption steady. Healthline: Insulin Injection Sites
  2. Master the injection technique - Grab a 4 mm needle and insert at a 90° angle to land in subcutaneous fat, not muscle. For lean or younger bodies, a gentle skin pinch guarantees you hit the right layer every time. PMC: Needle Best Practices
  3. Calculate dosages with confidence - Learn to read prescribed units and set your pen or syringe without breaking a sweat. Always double-check your math so each dose matches your doctor's orders. Diabetes Journals: Safe Dosing Tips
  4. Practice aseptic prep - Wash your hands like a surgeon, swab the skin with alcohol, and keep that needle sterile. These small steps dramatically cut infection risk and keep you safe. Healthline: Aseptic Injection Guide
  5. Interpret glucose readings - Become a detective: spot trends, highs, and lows in your blood sugar log. Accurate interpretation helps you adjust insulin timing and dosing like a pro. Diabetes Journals: Reading Glucose Data
  6. Recognize hypo- and hyperglycemia - Know the early warning signs of low and high blood sugar so you can act fast. Patient education is power: the more you know, the more you manage your diabetes with confidence. Diabetes Journals: Managing Glycemia
  7. Never reuse needles - Fresh needles mean fewer infections, less pain, and sharper insulin delivery. One needle per shot keeps you healthy and complications at bay. Diabetes Care: Needle Safety
  8. Dispose safely - Toss used sharps into a puncture-proof container and follow local disposal rules. Responsible disposal protects your community and environment. Dartmouth Children's: Sharps Disposal
  9. Account for absorption factors - Exercise, temperature, and site all tweak how quickly insulin works. Inject strategically - avoid a thigh shot right before leg day to prevent a glucose roller coaster. Dartmouth Children's: Absorption Insights
  10. Inspect injection sites - Be a skin detective: look for lumps, bumps, or discoloration each day. Early detection of lipodystrophy or irritation keeps your routine smooth and pain-free. PMC: Site Inspection Guide
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