EKG Tech Leads Only

40 Questions | By Dew3394 | Last updated: Mar 21, 2022 | Total Attempts: 113

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Chapter 2 (Based on textbook ECG Interpretation Made Incredibly Easy, 4th Edition). This is a test over just the leads as discussed in chapter 2.

Questions and Answers

1.

Which type of ECG provides continuous cardiac monitoring?
- A.
  
  12-Lead
- B.
  
  Single-lead
- C.
  
  Dual-lead
- D.
  
  Both single and dual lead
2.

Six limb leads provide information about the heart's ___________ plane.
3.

Bipolar leads require which type of electrode(s) for monitoring?
- A.
  
  Positive
- B.
  
  Negative
- C.
  
  Both
4.

Unipolar leads record information from one lead and require only one electrode.
- A.
  
  True
- B.
  
  False
5.

The six precordial leads (V1 - V6) provide information about which plane?
- A.
  
  Vertical
- B.
  
  Frontal
- C.
  
  Anterior
- D.
  
  Horizontal
6.

A transverse cut through the middle of the heart, provides a superior or inferior view.
- A.
  
  Horizontal
- B.
  
  Frontal
- C.
  
  Neither
7.

A _______ refers to a cross-section view of the electrical activity of the heart.
8.

A _______ plane refers to a vertical cut through the middle of the heart. Provides an anterior-posterior view.
9.

A lead provides a view of the heart's electrical activity between a positive and a negative pole.
- A.
  
  True
- B.
  
  False
10.

When electrical current travels toward the negative pole, the waveform deflects mostly ______
- A.
  
  Upward
- B.
  
  Downward
- C.
  
  Depends on electrode placement
11.

When the current flows toward the _________ pole, the waveform deflects mostly upward.
12.

Leads I, II and III typically produce ________ deflection on ECG tracings.
- A.
  
  Positive
- B.
  
  Negative
- C.
  
  Lead I and II are positive and lead III is negative.
- D.
  
  Depends on lead placement.
13.

The five-electrode system uses an exploratory chest lead to monitor modified chest or standard limb leads.
- A.
  
  True
- B.
  
  False
14.

The ____ electrode system uses one positive electrode, one negative electrode and a ground.
15.

When using a five-leadwire system, where would you place the green lead?
- A.
  
  LL
- B.
  
  RA
- C.
  
  C
- D.
  
  RL
16.

In a telemetry monitoring system, you can create the same leads as the other systems with just two electrodes and a ground wire.
- A.
  
  True
- B.
  
  False
17.

Current flows from:
- A.
  
  Positive to negative
- B.
  
  Negative to positive
- C.
  
  Depends on electrode placement.
18.

Which lead provides a view of the heart that shows current moving from right to left?
- A.
  
  I
- B.
  
  II
- C.
  
  III
- D.
  
  None of these
19.

The negative electrode for lead I is placed which arm or side of the chest?
20.

Where is the positive electrode for lead II placed?
- A.
  
  LA
- B.
  
  LL
- C.
  
  RA
21.

The current for this lead travels down from the RA to the LL
- A.
  
  I
- B.
  
  II
- C.
  
  III
22.

When continuous monitoring, the positive electrode for lead II can be placed:
- A.
  
  Before the palpable ribs at the right midclavicular line.
- B.
  
  Below the lowest palpable rib at the right midclavicular line.
- C.
  
  Below the lowest palpable rib at the left midclavicular line.
23.

The positive electrode for lead III is placed on the:
24.

Where is the negative electrode for lead III placed?
- A.
  
  LL
- B.
  
  RA
- C.
  
  LA
25.

Which leads would be used for detecting changes associated with an inferior wall myocardial infarction?
- A.
  
  I & II
- B.
  
  II & III
- C.
  
  I & III
- D.
  
  The augmented leads