Questions and Answers
Subcutaneous injection angles are typically at _____ degrees.
45-90
What is the usual range of subcutaneous doses?
0.5 to 1 mL
What are the sizes of needles used for subcutaneous injections?
25 gauge, 1/2 to 5/8 inch
Intramuscular injection angles are typically at _____ degrees.
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What is the recommended dose of IM injections for adults?
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What are the needle sizes for IM injections?
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Intradermal injection angles are typically at _____ degrees.
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What is the typical dose for intradermal injections?
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What are the needle sizes for intradermal injections?
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What is the airlock technique in injections?
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What are insulin syringes used for?
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Where are common subcutaneous injection sites?
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What are the preferred intramuscular injection sites?
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What is the Z-track method in injections?
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How should eye drops be administered?
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How should eye ointment be applied?
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What is the correct method for administering ear drops for adults?
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How should MD inhalers be used?
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Study Notes
Subcutaneous Injections
- Injection angles: 45-90 degrees; 45 degrees for thin adults/children, 90 degrees for average patients.
- Typical doses: 0.5 to 1 mL.
- Needle sizes: 25 gauge; lengths of 1/2 to 5/8 inch.
Intramuscular Injections
- Injection angle: 90 degrees.
- Doses: 3 mL for adults, 1 mL for children.
- Needle sizes:
- 22-27 gauge for aqueous medications,
- 18-25 gauge for oil-based medications,
- 5/8-1 inch for children,
- 1-1.5 inches for adults.
Intradermal Injections
- Injection angle: 5-15 degrees.
- Doses: 0.01-0.1 mL.
- Needle sizes: Tuberculin or 1-mL syringes, 25-27 gauge, lengths of 3/8-5/8 inch.
Airlock Technique
- Involves injecting 0.2 mL of air subcutaneously to prevent leakage of medication.
Insulin Syringes
- Designed exclusively for insulin; standard 1 mL syringe calibrated for 100 units, 0.5 mL low-dose syringe for 50 units.
Subcutaneous Injection Sites
- Common sites: Back of arms, back near shoulder blades, mid-back, top of buttocks, abdomen, and thighs.
Preferred Intramuscular Injection Sites
- Vastus Lateralis for infants and Ventral Gluteal for adults and children.
Z-track Method
- Skin is pulled taut, injection at 90 degrees, wait 10 seconds before withdrawing needle, then release skin to seal medication in.
Eye Drops Administration
- Administer drops in the conjunctival sac, apply pressure for 30-60 seconds to minimize systemic absorption, wait several minutes between different drops.
Eye Ointment Application
- Evenly apply a strip of ointment along the inner to outer canthus of the conjunctival sac.
Ear Drops Administration
- Adults: pull pinna up and back; children: pull pinna down and back.
- Have the patient lie on their side for 5-10 minutes, wait between administrations.
Metered Dose Inhalers (MDIs)
- Hold inhaler 1-2 inches from the mouth, instruct the patient to breathe out, press down to release medication while inhaling, hold breath for 10 seconds, and exhale through pursed lips.
- Wait 1-2 minutes between puffs and 2-5 minutes between different medications.
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Description
Explore key concepts related to needle sizes and injection angles. This quiz covers various injection methods, including subcutaneous and intramuscular techniques, along with appropriate dosages and needle specifications. Perfect for those studying nursing or medical fields.