Module 13: Administration of meds via intradermal, subcutaneous, or intramuscular route

Question 1

What is absorbed more quickly, IM or SC medications? Why?

Answer 1

IM - absorbed faster because muscle tissue has a greater blood supply. Muscle tissue can also hold a larger volume of medication than SC tissue

Question 2

What are the recommended sites for subcutaneous injection?

Answer 2

▪ Outer posterior aspect of the upper arms
▪ Abdomen
▪ Anterior aspects of the thighs
▪ Scapular area of upper back
▪ Upper ventral or dorsal gluteal areas

Question 3

At what angle do you administer a subcutaneous injection? intramuscular?

Answer 3

sc -45 to 90° angle

IM - 90°

Question 4

What angle do you administer an intradermal injection?

Answer 4

15°

Question 5

IM injections - Patients with developed muscles can tolerate no more than how many milliliters? What is recommended for less developed muscle?

Answer 5

3 mL

Less developed = 0.5-1 mL

Question 6

IM injections - what is the safest site for adults and children older than seven months?

Answer 6

The ventralgluteal muscle. It’s deep and not close to any major blood vessels and nerves