FREE AND STUDY GAMES ABOUT CH 26 EXAM QUESTIONS

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FREE AND STUDY GAMES ABOUT CH 26 EXAM QUESTIONS

Actual Qs and Ans Expert-Verified Explanation

This Exam contains:

-Guarantee passing score -45 Questions and Answers -format set of multiple-choice -Expert-Verified Explanation Question 1: The adult heart rate is below 60 beats per minute, and this is a normal rhythm for well-conditioned athletes.

Answer:

Sinus bradycardia Question 2: Use of ultrasonic waves directed through the heart to study the structure and

motion of the heart is:

Answer:

ECHO

Question 3: The _____ is considered the pacemaker of the heart.

Answer:

SA node Question 4: What chest electrode is placed on the fifth intercostal space on the mid-clavicular line?

Answer:

V4

Question 5: The state where the cardiac cells are recovering.

Answer:

Repolarized state

Question 6: The Q wave represents atrial depolarization.

Answer:

False

Question 7: The patient talks during the ECG. What artifact could occur?

Answer:

Somatic tremor Question 8: Lead II is created using the:

Answer:

right arm and left leg electrodes.Question 9: For this condition, place chest electrodes on the right side of the chest using the same intercostal spacing and landmarks. Switch the right and left limb lead wires.

Answer:

Dextrocardia

Question 10: Which electrode is considered the ground electrode?

Answer:

Right leg Question 11: This arrhythmia occurs when the atria contracts sooner than they should.

Answer:

Premature atrial contraction Question 12: This test allows the patient to record an ECG when symptoms occur. The patient may use the test for 30 days.

Answer:

Cardiac event recorder

Question 13: Which structure is created from the repolarization of the ventricles?

Answer:

T wave

Question 14: On an ECG tracing, what is made up of many waves?

Answer:

Complex Question 15: The contractive phase of the heartbeat is:

Answer:

systole.

Question 16: What occurs during the QRS complex?

Answer:

Atrial repolarization and ventricular depolarization

Question 17: An ECHO is used to study the electrical activity of the heart.

Answer:

False Question 18: ________ artifact appears as jagged peaks with irregular height and spacing.

Answer:

Somatic tremor Question 19: A record or recording of electrical impulses of the heart produced by an electrocardiograph.

Answer:

ECG and EKG Question 20: A patient needs to do an exercise stress test. The patient can drink alcohol and caffeine until ____ hours before the test.

Answer:

3

Question 21: The patient's heart rate is 38 beats per minute. What changes should you make before obtaining the tracing?

Answer:

Decrease the chart speed.

Question 22: A period of time between two points or events on the ECG tracing.

Answer:

Interval Question 23: The V2 electrode is placed on the fourth intercostal space at the right sternal edge.

Answer:

False Question 24: Lead III is created using the:

Answer:

left arm and left leg electrode.

Question 25: What is true regarding standard leads?

Answer:

Created from a measurement of current traveling from a negative pole to the positive pole Question 26: On an ECG tracing, what represents a period of time with no electrical activity?

Answer:

an isoelectric line

Question 27: The AV node is the pacemaker of the heart.

Answer:

False Question 28: The patient's heart rate is 150 beats per minute. What changes should you make before obtaining the tracing?

Answer:

Increase the chart speed.