EKG Tech Leads Only
40 Questions
| Total Attempts: 66
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
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