Chapter 8 Hypodermic Syringe Measurement Copyright 2015 Cengage

Syringe Volume Sizes • • 0. 5 m. L 1 m. L 3 m.

Syringe Calibrations • Regardless of syringe’s volume, syringes are calibrated in milliliters. – Except

How to Read a Syringe • From top/front ring • First long calibration always

3 m. L Syringes • Most common • Should be calibrated using metric unit

3 m. L Syringes (cont’d) © Cengage Learning 2015 (continues) Copyright © 2015 Copyright

3 m. L Syringes (cont’d) • Shorter calibration marks indicate tenths of a m.

3 m. L Syringes (cont’d) • What is the volume of medication in the

• Reading dosages on a syringe video • Now Test yourself on line:

• Now do Problems 8. 1, 8. 2 and 8. 4 beginning on

• Safety Syringes General Copyright © 2015 Copyright Cengage©Learning® 2015 Cengage Learning® 11

Safety Syringes • Developed to decrease risk of accidental, contaminated needle sticks. • Variety

Tuberculin (TB) Syringes • Most common volume is 1 m. L • Calibrated in

TB Syringes (cont’d) © Cengage Learning 2015 (continues) Copyright © 2015 Copyright Cengage©Learning® 2015

TB Syringes (cont’d) • What is the volume of medication in the syringe? ©

• Now do Problems 8. 5 and 8. 6 beginning on p. 93

Larger Volume Syringes • Most common: – – 5 m. L 10 m. L

Larger Volume Syringes (cont’d) • Shorter calibration marks on 5 m. L and 10

5 m. L Syringe © Cengage Learning 2015 Copyright © 2015 Copyright Cengage©Learning® 2015

10 m. L Syringe © Cengage Learning 2015 Copyright © 2015 Copyright Cengage©Learning® 2015

10 m. L Syringe (cont’d) • What is the volume of medication in the

• Complete Problems 8. 7 on p. 96 in your notebook. • Read

Are you Ready? • Answer the questions from the Summary Self Test beginning on

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Syringe Calibrations • Regardless of syringe’s volume, syringes are calibrated in milliliters. – Except specialized insulin syringes Copyright © 2015 Copyright Cengage©Learning® 2015 Cengage Learning® 8 -3

3 m. L Syringes • Most common • Should be calibrated using metric unit m. L – Some still include calibrations in cubic centimeter (cc) • Essentially identical to m. L (continues) Copyright © 2015 Copyright Cengage©Learning® 2015 Cengage Learning® 8 -5

3 m. L Syringes (cont’d) • Shorter calibration marks indicate tenths of a m. L. • Longer calibration marks indicate ½, 1, 1½, 2, 2½, and 3 m. L. • Tenths of a m. L written as decimal fractions: – For example, 0. 1 m. L, 0. 6 m. L, 0. 9 m. L (continues) Copyright © 2015 Copyright Cengage©Learning® 2015 Cengage Learning® 8 -7

Safety Syringes • Developed to decrease risk of accidental, contaminated needle sticks. • Variety currently manufactured. • Most health-care facilities use one brand. • Become familiar with type used in local clinical facility. Copyright © 2015 Copyright Cengage©Learning® 2015 Cengage Learning® 8 -12

Tuberculin (TB) Syringes • Most common volume is 1 m. L • Calibrated in hundredths – Noted by shorter calibration marks • Each tenth calibration mark has Arabic number printed on syringe barrel. – For example, . 1, . 2, . 3, etc. – Noted by longer calibration marks (continues) Copyright © 2015 Copyright Cengage©Learning® 2015 Cengage Learning® 8 -13

Larger Volume Syringes (cont’d) • Shorter calibration marks on 5 m. L and 10 m. L syringes measure 0. 2 m. L. • Longer calibration marks measure 1 m. L. Copyright © 2015 Copyright Cengage©Learning® 2015 Cengage Learning® 8 -18

• Complete Problems 8. 7 on p. 96 in your notebook. • Read 20 m. L and Larger on p. 98 and answer Problems 8. 9 on p. 98 in your notebook. Copyright © 2015 Copyright Cengage©Learning® 2015 Cengage Learning® 22

Are you Ready? • Answer the questions from the Summary Self Test beginning on p. 100 in your notebook. • Complete the homework for this chapter. • Take the on line quiz and report your score. • Take the Chapter 8 Test! Copyright © 2015 Copyright Cengage©Learning® 2015 Cengage Learning® 23