Questions and Answers
What is the site of intradermal injection?
Where can subcutaneous injections be administered?
What syringe is used for intradermal injection?
What is the typical volume of a TB syringe used for intradermal injections?
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Which type of syringe is used for SC injections?
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What is the volume to be injected for intradermal injections?
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What is the volume for subcutaneous injections?
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What angle should intradermal injections be administered at?
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What is the depth of an intradermal injection?
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What is the gauge and length of the needle needed for intradermal injections?
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What is the gauge and length of the needle for SC injections?
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What is the angle for administering IM injections?
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What is the volume range to be injected for IM injections?
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What is the depth of a subcutaneous injection?
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What is the depth of an intramuscular injection?
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Study Notes
Injection Sites Overview
- Intradermal injection occurs in the dermis, often in the inner forearm or upper back.
- Subcutaneous injection targets fatty tissue, commonly in the upper arms, thighs, abdomen, upper back, ventrogluteal, or dorsogluteal areas.
- Intramuscular injection sites include the ventrogluteal, deltoid, and vastus lateralis areas.
Equipment for Injections
- TB syringe is specifically designed for intradermal injection, holding 1 mL.
- Insulin and TB syringes are used for subcutaneous (SC) injections.
- Standard syringe size for intramuscular (IM) injections is 3-5 mL.
Volumes for Injection Types
- Intradermal injections require a volume of 0.1 mL.
- Subcutaneous injections typically use a volume of 0.5 - 1 mL.
- Intramuscular injections can range from 3-5 mL, depending on the medication's viscosity.
Needle Specifications
- For intradermal injections, a 25-27 gauge needle with a length of 1/4 to 1/2 inch is optimal.
- Subcutaneous injections employ a 25-30 gauge needle, usually 3/8 to 1 inch long, with 3/8 - 5/8 inch being most common.
- Intramuscular injections necessitate a 21-22 gauge needle, measuring 1 - 1.5 inches, based on medication viscosity.
Injection Techniques and Angles
- Intradermal injections should be administered at a 5-15 degree angle with the bevel up.
- Subcutaneous injections have different angles based on skin pinching: 45 degrees when pinched 1 inch, and 90 degrees when pinched 2 inches.
- Intramuscular injections are performed at a 90-degree angle.
Injection Depths
- Depth for intradermal injections is 1/8 inch.
- Subcutaneous injections go to the hub of the needle.
- Intramuscular injections also require the needle to reach the hub.
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Description
Test your knowledge of various injection sites including intradermal, subcutaneous, and intramuscular methods. This quiz provides essential terminology and definitions relevant for healthcare professionals. Perfect for nursing or medical students preparing for exams.
