SQ injections - concepts to know

Question 1

Connects to the needle

Answer 1

Tip

Question 2

Outside part with markings for the dosage

Answer 2

Barrel

Question 3

Used to withdraw medication and push it out through the needle

Answer 3

Plunger

Question 4

Which parts of the syringe must remain sterile?

Answer 4

tip, inside of the barrel and the plunger

Question 5

If 3mL are to be administered, what size syringe should be chosen?

Answer 5

the next size up - e.g. 5mL

Question 6

Why should a syringe not be filled to capacity?

Answer 6

The plunger can easily fall out

Question 7

Which syringe scale is most commonly used?

Answer 7

millilitre scale

Question 8

The dosage of a 1mL syringe is marked how?

Answer 8

Tenths and hundredths

Question 9

The dosage of a 3mL syringe is marked how?

Answer 9

marked in tenths

Question 10

How much insulin does an insulin syringe hold?

Answer 10

100 units

Question 11

the 1mL syringe is commonly used for what?

Answer 11

SQ or intradermal injections

Question 12

the 3mL syringe is commonly used for what?

Answer 12

SQ or IM injections

Question 13

What are the three parts of the syringe?

Answer 13

Tip, barrel, plunger

Question 14

What are the three parts of the needle?

Answer 14

Hub, cannula or shaft, bevel

Question 15

Slanted part at tip of the needle

Answer 15

Bevel

Question 16

Attaches needle to the syringe

Answer 16

Hub

Question 17

Attached to hub, long thin stem of the needle with a bevel at one end

Answer 17

cannula or shaft

Question 18

Hollow core of the needle shaft

Answer 18

lumen

Question 19

What should the nurse assess for when determining needle length?

Answer 19

route of injection
site of injection
client size

Question 20

When determining the gauge, the nurse should asses for what?

Answer 20

Route of injection

Viscosity of the meds

Question 21

The larger the gauge, the _______ the diameter.

Answer 21

smaller

Question 22

25G vs. 30G. Which has the bigger diameter?

Answer 22

25G

Question 23

The more viscous the medication, the _____ the gauge.

Answer 23

smaller

Question 24

In general, the diameter for SQ injection is _______ than the diameter for an IM medication. Why?

Answer 24

Smaller

b/c the volume of medication is smaller for SQ and less viscous than IM

Question 25

What sites are used for SQ?

Answer 25

Back of arm, anterior aspect of thigh, abdomen

Question 26

What is the safe SQ volume?

Answer 26

up to 1mL

Question 27

What is the needle gauge for SQ?

Answer 27

25-30G

Question 28

What is the needle length for SQ?

Answer 28

3/8-5/8"

Question 29

What is the angle of injection for SQ?

Answer 29

90° or 45° for thin clients

Question 30

What is used to withdraw medication from an ampule?

Answer 30

Filter needle to prevent drawing up glass

Question 31

What is the preferred site for administering anticoagulants?

Answer 31

Abdomen, 5cm below umbillicus below the coastal margins and above the iliac crests

Question 32

Insulin is absorbed most rapidly where?

Answer 32

Abdomen

Question 33

How long do you wait after injection to remove the needle for SQ?

Answer 33

5 seconds

Question 34

How long can open insulin be used for?

Answer 34

28 days