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If ECG artifacts are seen in leads I and III, Einthoven's triangle will indicate which limb electrode is interfering?


A) Left arm (LA)
B) Left leg (LL)
C) Right arm (RA)
D) Right leg (RL)

E) A) and D)
F) A) and C)

Correct Answer

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A

Match the lead wire color codes with the corresponding position abbreviations.

Premises
LL
LA
RA
RL
V₁-₆
Responses
White
Black
Red
Green
Brown

Correct Answer

LL
LA
RA
RL
V₁-₆

Einthoven used buckets of electrolyte solution in his initial electrocardiogram (ECG) .These have now been replaced by:


A) a galvanometer.
B) sensors (electrodes) .
C) lead wires.
D) an amplifier.

E) None of the above
F) C) and D)

Correct Answer

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Which of the following statements is true regarding the systemic circulation?


A) The blood is sent to the lungs via the left atrium.
B) The blood from the body enters the left atrium of the heart.
C) The blood from the lungs enters the right atrium.
D) The blood is sent to the body via the left ventricle into the aorta.

E) All of the above
F) A) and D)

Correct Answer

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A fast heart rate is referred to as ____________________.

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___________ is the contraction phase of the heart when the cardiac muscle is being stimulated by electrical impulses.

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The relaxation phase in the heart when there is no electrical activity within the cardiac muscle is called ____________________.

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Item #6 on this image of the electrical flow within the heart is the ____________. Item #6 on this image of the electrical flow within the heart is the ____________.

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The node that sends out an electrical impulse that starts the heartbeat is the _______________.

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SA node
si...

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Which of the following statements is incorrect when describing the following spirometer results during a patient's maneuver?


A) The FVC is the total volume of air that was expelled during the maneuver.
B) The FEV₁ is the volume of air expelled in the first second during the maneuver.
C) The FET is the actual length of time the patient exhaled in seconds during the maneuver.
D) The FEV₁/FVC ratio should be under 80% in a healthy individual.

E) All of the above
F) B) and C)

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Item #2 on this image of the electrical flow within the heart is the ____________. Item #2 on this image of the electrical flow within the heart is the ____________.

Correct Answer

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The chambers of the heart that pump the blood out of the heart to the lungs and the body are the ____________________.

Correct Answer

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Which of the following statements is incorrect?


A) Einthoven used three limbs to create the first three ECG leads: I, II, III.
B) The first three leads were bipolar leads.
C) The left leg limb was used as a ground.
D) His lead I consisted of the right arm and the left arm.

E) B) and C)
F) A) and B)

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How many successful maneuvers (i.e., when the spirometer reports "Good Test") are desired when screening a patient's lung capacity?


A) 1
B) 10
C) 2
D) Patients with chronic obstructive pulmonary disease (COPD) issues may not produce a "good test," so do not exceed 8 maneuvers.
E) Both c and d are correct.

F) A) and D)
G) A) and C)

Correct Answer

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Which of the following statements is correct regarding Quality Control-Spirometer Calibration?


A) The calibration is usually done with a 6-liter syringe.
B) The calibration should be done once a week.
C) Two factors that could affect the calibration results are the proper temperature and elevation settings for the testing area.
D) The mouthpiece of the spirometer is applied to the syringe and the air is slowly pushed into the spirometer for 6 seconds.

E) A) and D)
F) A) and C)

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C

FVC stands for ______________.

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forced vit...

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Which of the following statements is inappropriate (negative) when coaching a spirometry maneuver?


A) "Keep your eyes on the screen."
B) "I need you to blow until I say stop."
C) "You didn't blow hard enough."
D) "Seal your lips firmly around the mouthpiece so all your breath is captured."

E) B) and C)
F) All of the above

Correct Answer

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Which is the correct order of locating and placing the chest electrodes?


A) V₁, V₂, V₃, V₄, V₅, V₆
B) V₁, V₃, V₂, V₄, V₆, V₅
C) V₁, V₄, V₃, V₂, V₅, V₆
D) V₁, V₂, V₄, V₃, V₅, V₆

E) A) and B)
F) C) and D)

Correct Answer

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Which of the following statements is correct concerning "peak expiratory flow" screening and monitoring with a peak flow meter?


A) When using the peak flow meter, it is important to exhale into the monitor at a steady rate for 6 seconds.
B) The peak flow meter displays the same FVC result as the spirometer, which is the total volume of air exhaled from the lungs over 6 seconds of time.
C) Daily peak flow monitoring is useful for patients with COPD to determine if they need to seek emergency medical care and to see if their medications are working.
D) The physician must be notified if the peak flow meter is in the green zone.

E) A) and B)
F) All of the above

Correct Answer

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C

The major difference between a Holter monitor and an ECG test is the:


A) Holter monitor records the activity of the heart and lung and the ECG only records the activity of the heart.
B) Holter monitor is commonly used, whereas the ECG is rarely used.
C) ECG requires daily patient cooperation, whereas the Holter monitor does not.
D) Holter monitor test takes 24 hours or more to record, whereas the ECG test takes less than 5 minutes to record.

E) A) and B)
F) None of the above

Correct Answer

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