Needles

Question 1

The larger the number of the needle gauge the __________ the diameter of the needle shaft

Answer 1

Smaller

Question 2

Blood transfusions need # ___ gauge

Answer 2

18-20 (#18 is the preferred)

Question 3

Newborn infants need # _____ gauge

Answer 3

#24

Question 4

Intradermal (ID) Injections

Answer 4

Small amount of drug is given

TB skin test, allergy injections, and for vaccinations

Small syringe with a short needle (#25-#27 1/4 to 5/8 long)

15^o angle

DO NOT MASSAGE THE INJECTION SITE

Question 5

Intradermal (ID) Injections common sites (3)

Answer 5

1. Inner lower
2. Arm Upper chest
3. Back beneath scapula

Question 6

Subcutaneous (SQ) Injections

Answer 6

Small amount of drug (up to 1mL)

Vaccines, Insulin, Heparin

Determine length of needle and angle of insertion by pinch test

1. 1/2 width of pinched skin
2. 1 inch=45^{<strong>o</strong>} 2 inches=90^{<strong>o</strong>}

^​Rotate Injection sites

Avoid areas of lumps, bumps, and bruises

Question 7

Subcutaneous (SQ) Injections sites (5)

Answer 7

1. Outer aspect of the upper arm
2. Anterior aspect of the thigh
3. Abdomen
4. Scapular area of the upper back
5. Upper ventrogluteal and dorsogluteal areas

Question 8

Intramuscular (IM) Injections

• Larger needles for viscous drugs*
• Longer for obese/ Shorter fr skinny*

Answer 8

1. Quicker absorbed bc of blood supply
2. Adults can tolerate up to 3 mL of med in the gluteal muscles
3. Deltoid muscle 1 mL

• 2-5 mL syringe

Anministration:

• #22-25 (5/8 - 1”) infants/child
• #20-23 (1 - 1.5”) Most Common in adults
• #21-22 (1.5”) adults (gluteal)
• #23-25 (1”) adults (deltoid)

Question 9

Intramusculrar (IM) Injections sites:

Answer 9

1. Ventrogluteal (not for <7 months)
2. Vastus Lateralis (use until 18 months of age)
3. Dorsogluteal (adults)
4. Deltoid (vaccinations)
5. Rectus Femoris