EKG Technician - Quizzes/Final Exam
Study online at https://quizlet.com/_8yl60t
1. It is the slowest Which of these statements about the sinus node is FALSE?
pacemaker of the - It is the slowest pacemaker of the heart.
heart. - It has the fastest inherent rate of all the possible pacemaker sites.
- It fires at an inherent rate of 60-100.
- It is the normal pacemaker of the heart.
2. 25mm/sec Normal paper speed for printing out the EKG is __________.
- 50mm/sec
- 25mm/sec
- 20mm/sec
- 10mm/sec
3. It is the wall of Which of these statements about the pericardium is NOT TRUE?
the heart that - It anchors the heart to the diaphragm and great vessels.
is damaged in a - It is the wall of the heart that is damaged in a heart attack.
heart attack. - It serves as protection for the heart.
- It is a two-layer sac enclosing the heart.
4. right arm If lead AVR's QRS is positive, the heart's current would be traveling toward the
__________.
- right leg
- right arm
- left leg
- left arm
5. On the lower Your patient for a 12-lead EKG has no legs as a result of bilateral amputations.
abdomen above Where should you put the leg electrodes?
where the legs - On the upper chest
would be - On the artificial legs
- On the lower abdomen above where the legs would be
- On the arms
6.
, EKG Technician - Quizzes/Final Exam
Study online at https://quizlet.com/_8yl60t
Right arm and AVF's negative reference point is formed by finding the midway point between
left arm which limbs?
- Right arm and right foot
- Left arm and right foot
- Left arm and left foot (NOT)
- Right arm and left arm
7. 10mm One millivolt of electricity, when thrown into the EKG machine, will deflect the
stylus _________.
- 10mm
- 1mm
- By one second
- By .04 seconds
8. electrical inter- Sixty-cycle interference is commonly caused by __________.
ference - electrical interference
- respirations
- lotion on the skin interfering with the signal
- patient movement
9. pressure The heart's valves open and close in response to changes in ________.
- sodium and potassium concentration
- oxygenation
- pressure
- the heart's pacemaker
10. a lower-voltage Microshock is different from macroshock in that microshock is __________.
electrical shock - a lower-voltage electrical shock
- incapable of causing death
- caused by inadequate grounding of electrical equipment
- a higher-voltage electrical shock
11.
, EKG Technician - Quizzes/Final Exam
Study online at https://quizlet.com/_8yl60t
Tricuspid and mi- The first heart sound (S1) is associated with closure of which heart valves?
tral - Tricuspid and pulmonic
- Aortic and pulmonic
- Tricuspid and mitral
- Mitral and aortic
12. the lower ex- The inferior vena cava returns deoxygenated blood to the heart from _________.
tremities and ab- - the lower extremities and abdomen
domen - the coronary circulation
- the head and neck
- None of these; the vena cava carries oxygenated blood
13. check the patient If your patient's cardiac rhythm is life-threatening, your first action should be to
by assessing vital __________.
signs and seeing - check the patient by assessing vital signs and seeing how he/she feels
how he/she feels - check the monitor wires and patches
- notify the family of the patient's deteriorating condition
- exchange the cardiac monitor for a new one
14. Somatic tremors Your patient is having chills. What kind of artifact can this produce?
- 60-cycle interference
- Somatic tremors
- Broken recording
- Baseline sway
15. diastole The coronary circulation supplies oxygenated blood to the myocardium during
________.
- the entire cardiac cycle
- diastole
- isovolumetric contraction
- ventricular ejection
16.
, EKG Technician - Quizzes/Final Exam
Study online at https://quizlet.com/_8yl60t
patient move- Somatic tremor artifact is commonly caused by __________.
ment - respirations
- patient movement
- electrical interference
- lotion on the skin interfering with the signal
17. right and left On your patient's 12-lead EKG, Lead I's waves and complexes are completely
arm leads in- negative. AVR's waves and complexes are completely positive. The most likely
advertently re- cause of this is __________.
versed - axis deviation from ventricular tachycardia
- right and left arm leads inadvertently reversed
- dextrocardia
- axis deviation from an MI
18. Trans-mem- +20mV is the ___________.
brane potential - Trans-membrane potential at the conclusion of phase 3 of the action potential
at the conclusion - Trans-membrane potential at the beginning of cardiac rest
of phase 0 of the - Trans-membrane potential at the conclusion of phase 0 of the action potential
action potential - Resting trans-membrane potential
19. It is the peri- Which of the following statements correctly describes the relative refractory peri-
od in which only od?
a strong impulse - It is the period in which even a weak impulse can cause another depolarization.
can cause an- - It is the period in which only a strong impulse can cause another depolarization.
other depolariza- - It is the period in which the heart function stops temporarily to allow impulse
tion. transmission to occur.
- It is the period in which no impulses at all can cause another depolarization.
20. 10mm high and Correct calibration of the EKG machine is evidenced by a calibration wave that is
square in shape ____________.
- 5mm high and square in shape
- 10mm high and rounded in shape
Study online at https://quizlet.com/_8yl60t
1. It is the slowest Which of these statements about the sinus node is FALSE?
pacemaker of the - It is the slowest pacemaker of the heart.
heart. - It has the fastest inherent rate of all the possible pacemaker sites.
- It fires at an inherent rate of 60-100.
- It is the normal pacemaker of the heart.
2. 25mm/sec Normal paper speed for printing out the EKG is __________.
- 50mm/sec
- 25mm/sec
- 20mm/sec
- 10mm/sec
3. It is the wall of Which of these statements about the pericardium is NOT TRUE?
the heart that - It anchors the heart to the diaphragm and great vessels.
is damaged in a - It is the wall of the heart that is damaged in a heart attack.
heart attack. - It serves as protection for the heart.
- It is a two-layer sac enclosing the heart.
4. right arm If lead AVR's QRS is positive, the heart's current would be traveling toward the
__________.
- right leg
- right arm
- left leg
- left arm
5. On the lower Your patient for a 12-lead EKG has no legs as a result of bilateral amputations.
abdomen above Where should you put the leg electrodes?
where the legs - On the upper chest
would be - On the artificial legs
- On the lower abdomen above where the legs would be
- On the arms
6.
, EKG Technician - Quizzes/Final Exam
Study online at https://quizlet.com/_8yl60t
Right arm and AVF's negative reference point is formed by finding the midway point between
left arm which limbs?
- Right arm and right foot
- Left arm and right foot
- Left arm and left foot (NOT)
- Right arm and left arm
7. 10mm One millivolt of electricity, when thrown into the EKG machine, will deflect the
stylus _________.
- 10mm
- 1mm
- By one second
- By .04 seconds
8. electrical inter- Sixty-cycle interference is commonly caused by __________.
ference - electrical interference
- respirations
- lotion on the skin interfering with the signal
- patient movement
9. pressure The heart's valves open and close in response to changes in ________.
- sodium and potassium concentration
- oxygenation
- pressure
- the heart's pacemaker
10. a lower-voltage Microshock is different from macroshock in that microshock is __________.
electrical shock - a lower-voltage electrical shock
- incapable of causing death
- caused by inadequate grounding of electrical equipment
- a higher-voltage electrical shock
11.
, EKG Technician - Quizzes/Final Exam
Study online at https://quizlet.com/_8yl60t
Tricuspid and mi- The first heart sound (S1) is associated with closure of which heart valves?
tral - Tricuspid and pulmonic
- Aortic and pulmonic
- Tricuspid and mitral
- Mitral and aortic
12. the lower ex- The inferior vena cava returns deoxygenated blood to the heart from _________.
tremities and ab- - the lower extremities and abdomen
domen - the coronary circulation
- the head and neck
- None of these; the vena cava carries oxygenated blood
13. check the patient If your patient's cardiac rhythm is life-threatening, your first action should be to
by assessing vital __________.
signs and seeing - check the patient by assessing vital signs and seeing how he/she feels
how he/she feels - check the monitor wires and patches
- notify the family of the patient's deteriorating condition
- exchange the cardiac monitor for a new one
14. Somatic tremors Your patient is having chills. What kind of artifact can this produce?
- 60-cycle interference
- Somatic tremors
- Broken recording
- Baseline sway
15. diastole The coronary circulation supplies oxygenated blood to the myocardium during
________.
- the entire cardiac cycle
- diastole
- isovolumetric contraction
- ventricular ejection
16.
, EKG Technician - Quizzes/Final Exam
Study online at https://quizlet.com/_8yl60t
patient move- Somatic tremor artifact is commonly caused by __________.
ment - respirations
- patient movement
- electrical interference
- lotion on the skin interfering with the signal
17. right and left On your patient's 12-lead EKG, Lead I's waves and complexes are completely
arm leads in- negative. AVR's waves and complexes are completely positive. The most likely
advertently re- cause of this is __________.
versed - axis deviation from ventricular tachycardia
- right and left arm leads inadvertently reversed
- dextrocardia
- axis deviation from an MI
18. Trans-mem- +20mV is the ___________.
brane potential - Trans-membrane potential at the conclusion of phase 3 of the action potential
at the conclusion - Trans-membrane potential at the beginning of cardiac rest
of phase 0 of the - Trans-membrane potential at the conclusion of phase 0 of the action potential
action potential - Resting trans-membrane potential
19. It is the peri- Which of the following statements correctly describes the relative refractory peri-
od in which only od?
a strong impulse - It is the period in which even a weak impulse can cause another depolarization.
can cause an- - It is the period in which only a strong impulse can cause another depolarization.
other depolariza- - It is the period in which the heart function stops temporarily to allow impulse
tion. transmission to occur.
- It is the period in which no impulses at all can cause another depolarization.
20. 10mm high and Correct calibration of the EKG machine is evidenced by a calibration wave that is
square in shape ____________.
- 5mm high and square in shape
- 10mm high and rounded in shape
