Ch. 4 Key Terms

Question 1

Alternating current (AC)

Answer 1

Other markings on the ECG caused by other electrical current sources

Question 2

Angle of Louis

Answer 2

Ridge about an inch below the suprasternal notch where the main part of the sternum and the manubrium are attached

Question 3

Anterior axillary line

Answer 3

Imaginary vertical line starting at the front axilla that extends down the left side of the chest

Question 4

Dextrocardia

Answer 4

When the heart is on the opposite or right side of the chest

Question 5

Disinfection

Answer 5

The process of killing pathogens

Question 6

Intercostal space (ICS)

Answer 6

The space between two ribs

Question 7

Mastisol

Answer 7

Liquid medical adhesive used to secure dressings, tapes, and certain medical devices over an extended period of time

Question 8

Medical asepsis (cleaning technique)

Answer 8

Practices that help remove or reduce the number of pathogens on a surface, reducing the chances of disease transmission; hand washing, sanitization/cleaning, and disinfection

Question 9

Midaxillary line

Answer 9

Imaginary vertical line that starts at the middle of the axilla and extends down the side of the chest

Question 10

Midclavicular line

Answer 10

Imaginary line on the chest that runs vertically through the center of the clavicle

Question 11

Midscapular line

Answer 11

Imaginary line on the back that runs vertically through the center of the scapula

Question 12

Paraspinous line

Answer 12

Imaginary line on the spine that runs vertically through the side of the spine

Question 13

Posterior axillary line

Answer 13

Imaginary line on the back that runs vertically from the shoulder down on the outer edge of the rib cage

Question 14

Sanitization (cleaning)

Answer 14

Lowest level of asepsis; removal of visible organic and inorganic material from objects and surfaces

Question 15

Seizure

Answer 15

Interruption of the electrical activity in the brain that causes involuntary muscle movement and sometimes unconsciousness

Question 16

Somatic tremor (body tremor)

Answer 16

Voluntary or involuntary muscle movement

Question 17

Suprasternal notch

Answer 17

Dip at the anterior base of the neck just above the manubrium, where the clavicle attaches to the sternum

Question 18

Tincture of benzoine

Answer 18

Solution often applied to skin under an adhesive bandage to protect skin from allergy to the adhesive and make bandage adhere longer

Question 19

Wandering baseline (baseline shift)

Answer 19

Artifact in which the tracing drifts away from the center of the graph paper