KAISER EKG EXAM ACTUAL EXAM LATEST 3 VERSIONS 450
QUESTIONS AND DETAILED CORRECT SOLUTIONS 2024-2025
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KAISER EKG EXAM A
QUESTION: One millivolt of electricity, when thrown into the EKG machine, will deflect the
stylus _________.
- 10mm
- 1mm
- By one second
- By .04 seconds - ANSWER-10mm
QUESTION: Sixty-cycle interference is commonly caused by __________.
- electrical interference
- respirations
- lotion on the skin interfering with the signal
- patient movement - ANSWER-electrical interference
QUESTION: The heart's valves open and close in response to changes in ________.
- sodium and potassium concentration
- oxygenation
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- pressure
- the heart's pacemaker - ANSWER-pressure
QUESTION: Microshock is different from macroshock in that microshock is __________.
- a lower-voltage electrical shock
- incapable of causing death
- caused by inadequate grounding of electrical equipment
- a higher-voltage electrical shock - ANSWER-a lower-voltage electrical shock
QUESTION: The first heart sound (S1) is associated with closure of which heart valves?
- Tricuspid and pulmonic
- Aortic and pulmonic
- Tricuspid and mitral
- Mitral and aortic - ANSWER-Tricuspid and mitral
QUESTION: The inferior vena cava returns deoxygenated blood to the heart from _________.
- the lower extremities and abdomen
- the coronary circulation
- the head and neck
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- None of these; the vena cava carries oxygenated blood - ANSWER-the lower extremities and
abdomen
QUESTION: If your patient's cardiac rhythm is life-threatening, your first action should be to
__________.
- check the patient by assessing vital signs and seeing 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 - ANSWER-check the patient by assessing vital
signs and seeing how he/she feels
QUESTION: Your patient is having chills. What kind of artifact can this produce?
- 60-cycle interference
- Somatic tremors
- Broken recording
- Baseline sway - ANSWER-Somatic tremors
QUESTION: The coronary circulation supplies oxygenated blood to the myocardium during
________.
- the entire cardiac cycle
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- diastole
- isovolumetric contraction
- ventricular ejection - ANSWER-diastole
QUESTION: Somatic tremor artifact is commonly caused by __________.
- respirations
- patient movement
- electrical interference
- lotion on the skin interfering with the signal - ANSWER-patient movement
QUESTION: Which of these statements about the sinus node is FALSE?
- It is the slowest pacemaker of the 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. - ANSWER-It is the slowest pacemaker of the heart.
QUESTION: Normal paper speed for printing out the EKG is __________.
- 50mm/sec
- 25mm/sec
- 20mm/sec
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