Ch 2

Question 0

Any detection off of baseline is called

Answer 0

A wave

Question 1

Another name for base line

Answer 1

Isoelectric

Question 2

Distance between 2 waves is called a

Answer 2

Segment

Question 3

The length of a wave and a segment is called a

Answer 3

Interval

Question 4

This is heat sensitive

Answer 4

Stylus meter

Question 5

Normal standardization is

Answer 5

1 m/v

Question 6

Vertical on ECG paper represents

Answer 6

Voltage

Question 7

Horizontal on ECG paper represents?

Answer 7

Time

Question 8

How much time is in one small box

Answer 8

.04 sec

Question 9

How much time is in a large box?

Answer 9

.20sec

Question 10

Time period when the myocardial cell cannot respond to stimuli is called

Answer 10

Refractory period

Question 11

Ability of the myocardial cell to depolarize and repolarize is called

Answer 11

Action potential

Question 12

Part of ECG machine that converts electrical activity into mechanical motion is the

Answer 12

Standardization button

Question 13

Writing implement on ECG machine is the

Answer 13

Stylus

Question 14

This represents atrial depolarization

Answer 14

P wave

Question 15

This represents ventricular depolarization

Answer 15

QRS interval/ complex

Question 16

This represents ventricular repolarization

Answer 16

T wave

Question 17

The inherent rate of a sa node is

Answer 17

60-100 bpm

Question 18

The inherent rate of av node is?

Answer 18

40-60 bpm

Question 19

The inherent rate of the ventricular myocardial cells are

Answer 19

20-40 bpm

Question 20

If the sa node fails to fire or slow down and another site begins pacing the heart, it is called

Answer 20

Escape

Question 21

If another site begins pacing the heart while the sa node is still working, this is called

Answer 21

Irritability

Question 22

On all sinus ECG’s the initiation of the impulse is where

Answer 22

Sa node

Question 23

After exercising janes sa node starts to pace her heart at 115 bpm. This is

Answer 23

Sinus tachycardia