EKG Practice Test Quiz!

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| By Ruthdl

Ruthdl

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Quizzes Created: 1 | Total Attempts: 2,131

Questions: 10 | Attempts: 2,131 | Updated: Mar 21, 2023

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Do you know what an EKG is? An electrocardiogram documents the electrical signals in your heart. It is a test that is utilized to see if there are any problems with the heart. An EKG can find abnormal heart rhythm if blocked arteries are causing chest discomfort or heart attack and whether you have had a previous heart attack. This quiz asks you to name various parts of an EKG reading. You got this.

Questions and Answers

1.

Name this part of the EKG segment.
- A.
  
  Q Wave
- B.
  
  R Wave
- C.
  
  S Wave
- D.
  
  P wave
- E.
  
  QRS Segment
Correct Answer
D. P wave

Explanation
The correct answer is P wave. The P wave is a small, upright deflection on an EKG that represents atrial depolarization, which is the contraction of the atria. It is the first wave in the EKG segment and is followed by the QRS complex, which represents ventricular depolarization. The P wave is important in determining the regularity and origin of the heart's electrical impulses.

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2.

Name this part of the EKG segment.
- A.
  
  QRS Complex
- B.
  
  R to R Interval
- C.
  
  PR Segment
- D.
  
  ST Segment
Correct Answer
B. R to R Interval

Explanation
The R to R interval is the time between two consecutive R waves on an EKG. It represents the duration of one complete cardiac cycle, including both ventricular depolarization and repolarization. This interval is important for assessing heart rate and rhythm abnormalities.

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3.

Name this part of the EKG.
- A.
  
  PR Segment
- B.
  
  P wave
- C.
  
  Q wave
- D.
  
  R wave
- E.
  
  ST Segment
Correct Answer
D. R wave

Explanation
The correct answer is R wave. The R wave is a positive deflection on an EKG that represents the depolarization of the ventricles. It is the first positive deflection following the QRS complex and indicates the beginning of ventricular contraction. The R wave is an important component in analyzing the electrical activity of the heart and can provide information about the overall health and function of the ventricles.

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4.

Name this part of the EKG.
- A.
  
  ST Segment
- B.
  
  QRS Segment
- C.
  
  U Wave
- D.
  
  S Wave
Correct Answer
A. ST Segment

Explanation
The ST segment is the correct answer. It represents the interval between ventricular depolarization and repolarization on an EKG. It is a flat, isoelectric line that occurs after the QRS complex and before the T wave. Changes in the ST segment can indicate myocardial ischemia or injury, making it an important part of EKG interpretation.

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5.

Here is another.
- A.
  
  P Wave
- B.
  
  Q wave
- C.
  
  R Wave
- D.
  
  S wave
Correct Answer
D. S wave

Explanation
The S wave is the third wave in the sequence of P, Q, R, S waves in an electrocardiogram (ECG). It represents the depolarization of the ventricles, which is the contraction of the lower chambers of the heart. The S wave is a downward deflection on the ECG tracing and indicates the completion of ventricular depolarization. It is followed by the T wave, which represents ventricular repolarization.

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6.

Ok, now try this
- A.
  
  P Wave
- B.
  
  Q Wave
- C.
  
  R Wave
- D.
  
  S Wave
Correct Answer
C. R Wave

Explanation
The R wave is a peak in the electrocardiogram (ECG) that represents the depolarization of the ventricles. It is the first positive deflection after the P wave, which represents atrial depolarization. The R wave indicates the contraction of the ventricles and the beginning of systole, the phase of the cardiac cycle where the ventricles pump blood out of the heart. Therefore, the R wave is an important component of the ECG that helps in diagnosing various cardiac conditions and assessing the overall function of the heart.

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7.

Name this part.
- A.
  
  PR Segment
- B.
  
  St Segment
- C.
  
  QRS Segment
- D.
  
  QRS Complex
Correct Answer
D. QRS Complex

Explanation
The QRS complex is the correct answer because it represents the depolarization of the ventricles in an electrocardiogram (ECG). It consists of three waves: the Q wave, the R wave, and the S wave. The Q wave represents the initial downward deflection, the R wave represents the first upward deflection, and the S wave represents the second downward deflection. The QRS complex is important in assessing the electrical activity of the heart and can help diagnose various cardiac conditions.

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8.

You think your hot, How about this?
- A.
  
  R Wave
- B.
  
  S Wave
- C.
  
  T Wave
- D.
  
  ST Segment
Correct Answer
C. T Wave

Explanation
The T wave represents the repolarization of the ventricles, specifically the ventricular myocardium. It is a small, rounded wave that follows the QRS complex on an electrocardiogram (ECG). The T wave represents the recovery phase of the ventricles, as they reset and prepare for the next electrical impulse. It is important to note any abnormalities in the T wave, as they can indicate various cardiac conditions such as ischemia or electrolyte imbalances.

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9.

Name this part?
- A.
  
  PR Segment
- B.
  
  S Wave
- C.
  
  ST Segment
- D.
  
  T Wave
Correct Answer
C. ST Segment

Explanation
The ST segment is a part of the electrocardiogram (ECG) that represents the time interval between the end of the ventricular depolarization (represented by the S wave) and the beginning of the ventricular repolarization (represented by the T wave). It is a flat, isoelectric line that indicates the period when the ventricles are in a state of complete repolarization. Any deviation from the normal ST segment can indicate various cardiac conditions, such as myocardial ischemia or infarction.

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10.

Name this part of the EKG.
- A.
  
  PR interval
- B.
  
  R to R Interval
- C.
  
  P Wave
- D.
  
  Q Wave
Correct Answer
A. PR interval

Explanation
The PR interval is the time interval on an EKG between the onset of the P wave and the start of the QRS complex. It represents the time it takes for the electrical impulse to travel from the atria to the ventricles. The PR interval is important in assessing the conduction system of the heart and can help identify any abnormalities or delays in the electrical conduction.

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