Question 1

Electrodes for limb leads should be attached to ____.

Accepted Answer

A)   a bony area on each limb
B)   a highly vascular area
C)   fleshy portions of the limbs
D)   the wrists and ankles
E)   the knees and elbowsF) B) and C)
G) C) and D)

Question 2

Which of the following is the electrical impulse that initiates a chain reaction resulting in contraction?

Accepted Answer

A)   Repolarization
B)   Deflection
C)   Depolarization
D)   Artifact
E)   PolarizationF) A) and D)
G) A) and E)

Question 3

The artifact pictured here is ________.

Accepted Answer

The answer of The artifact pictured here is ________....

Question 4

Which precordial electrode is placed in the fifth intercostal space, directly below the middle of the armpit?

Accepted Answer

A)   V1
B)   V2
C)   V4
D)   V6
E)   V3F) None of the above
G) A) and B)

Question 5

Which of the following is a correct statement about the stylus temperature control?

Accepted Answer

A)   A lower temperature produces a heavier line.
B)   It has no effect on the ECG tracing.
C)   A higher temperature produces a heavier line.
D)   Lower temperatures cause smearing.
E)   A higher temperature produces a thinner line.F) D) and E)
G) C) and D)

Question 6

A pulse oximeter reading of less than 95% indicates low blood oxygen, or ________.

Accepted Answer

The answer of A pulse oximeter reading of less than...

Question 7

Which of the following is a record of the waves of electrical impulses responsible for the cardiac cycle?

Accepted Answer

A)   Electrode
B)   Electrocardiogram
C)   Electrocardiograph
D)   Electroencephalograph
E)   ElectroencephalogramF) C) and D)
G) B) and C)

Question 8

If the patient has good control of her asthma, her peak flow rate is in the ____,

Accepted Answer

A)   green zone
B)   yellow zone
C)   red zone
D)   blue zone
E)   orange zoneF) A) and B)
G) A) and C)

Question 9

Which of the following measures and evaluates a patient's lung capacity and volume?

Accepted Answer

A)   Chest x-ray
B)   Pulmonary function test
C)   Bronchoscopy
D)   Lung scan
E)   ElectroencephalogramF) A) and B)
G) A) and C)

Question 10

The time it takes for electrical impulses to travel from the SA node to the AV node is the ____.

Accepted Answer

A)   S-T segment
B)   Q wave
C)   R wave
D)   P-R interval
E)   Q-T intervalF) A) and E)
G) B) and C)

Question 11

-The arrhythmia pictured here is ____.

Accepted Answer

A)   atrial fibrillation
B)   PVCs
C)   ventricular fibrillation
D)   bundle branch block
E)   cardiac arrestF) A) and E)
G) None of the above

Question 12

-You are attempting to record an ECG for Mr. Potter, a 72-year-old patient who has Parkinson's disease. Knowing this, you automatically place the limb electrodes close to the trunk. However, the tracing looks as shown in the picture. What artifact is present and what can you do to fix it?

Accepted Answer

A)   Extraneous marks; avoid using paper clips on the graph paper
B)   Somatic interference; wait until Mr. Potter's tremors subside
C)   wandering baseline; check for loose electrodes
D)   AC interference; turn off nearby electrical equipment
E)   Flat line; check pulse and respiration, then begin CPRF) C) and E)
G) C) and D)

Question 13

The process of using ultrasound to view the heart in motion is called ________.

Accepted Answer

The answer of The process of using ultrasound to view...

Question 14

If a lead does not appear on an ECG tracing, what step should be taken before repeating the tracing?

Accepted Answer

A)   Re-center the stylus
B)   Set the sensitivity selector to 2
C)   Reconnect the wire
D)   Increase the paper speed to 50 mm per second
E)   Move the ECG table away from the wallF) A) and B)
G) C) and E)

Question 15

Pulse oximetry can be used to help diagnose ________, in which breathing pauses during sleep.

Accepted Answer

The answer of Pulse oximetry can be used to help...

Question 16

The _________ is a pen-like instrument that records the electrical impulses on the ECG paper.

Accepted Answer

The answer of The _________ is a pen-like instrument that...

Question 17

The ____ send(s)  out electrical impulses to initiate depolarization.

Accepted Answer

A)   bundle branches
B)   AV node
C)   Purkinje fibers
D)   SA node
E)   bundle of HisF) C) and E)
G) C) and D)

Question 18

An instrument used to measure the air taken in by and expelled from the lungs is the ____.

Accepted Answer

A)   peak flow meter
B)   calibration syringe
C)   spirometer
D)   stylus
E)   respiratorF) A) and B)
G) C) and D)

Question 19

-After preparing the ECG machine, you explained the procedure to Mrs. Thomas, connected the electrodes, and began the tracing, as shown in the picture. You rechecked the electrodes and they are all placed correctly. None of the wires are loose. However, you notice that Mrs. Thomas's skin smells fragrant, as though she has used a body lotion recently. Which of the following describes the problem, its possible cause, and the correct solution?

Accepted Answer

A)   Extraneous marks caused by paper clips; remove the paper clips
B)   Somatic interference caused by patient shivering; offer a warm blanket
C)   Wandering baseline caused by lotion on the skin; re-prep the skin with isopropyl alcohol
D)   AC interference caused by nearby equipment; turn equipment off
E)   Flat line caused by crossed wires; reconnect the wires correctlyF) C) and D)
G) B) and C)

Question 20

Which of the following would you include in patient preparation for a pulmonary function test?

Accepted Answer

A)   Tell the patient that eating and smoking are permitted up until the time of the test
B)   Instruct the patient to sit in a chair with legs crossed
C)   Instruct the patient to slightly elevate the chin and slightly extend the neck
D)   Tell the patient to bite down firmly on the mouthpiece
E)   Encourage the patient to perform the test even if he has a viral infectionF) A) and E)
G) C) and D)

Exam 49: Electrocardiography and Pulmonary Function Testing

Which of the following is the electrical impulse that initiates a chain reaction resulting in contraction?

Correct Answer
verified

An instrument used to measure the air taken in by and expelled from the lungs is the ____.

Correct Answer
verified

Pulse oximetry can be used to help diagnose ________, in which breathing pauses during sleep.

Correct Answer
verified

The process of using ultrasound to view the heart in motion is called ________.

Correct Answer
verified

If a lead does not appear on an ECG tracing, what step should be taken before repeating the tracing?

Correct Answer
verified

-You are attempting to record an ECG for Mr. Potter, a 72-year-old patient who has Parkinson's disease. Knowing this, you automatically place the limb electrodes close to the trunk. However, the tracing looks as shown in the picture. What artifact is present and what can you do to fix it?

Correct Answer
verified

If the patient has good control of her asthma, her peak flow rate is in the ____,

Correct Answer
verified

The ____ send(s) out electrical impulses to initiate depolarization.

Correct Answer
verified

A pulse oximeter reading of less than 95% indicates low blood oxygen, or ________.

Correct Answer
verified

Which of the following is a correct statement about the stylus temperature control?

Correct Answer
verified

The _________ is a pen-like instrument that records the electrical impulses on the ECG paper.

Correct Answer
verified

Electrodes for limb leads should be attached to ____.

Correct Answer
verified

-The arrhythmia pictured here is ____.

Correct Answer
verified

The artifact pictured here is ________.

Correct Answer
verified

Correct Answer
verified

The time it takes for electrical impulses to travel from the SA node to the AV node is the ____.

Correct Answer
verified

Which of the following would you include in patient preparation for a pulmonary function test?

Correct Answer
verified

Which of the following is a record of the waves of electrical impulses responsible for the cardiac cycle?

Correct Answer
verified

Which of the following measures and evaluates a patient's lung capacity and volume?

Correct Answer
verified

Which precordial electrode is placed in the fifth intercostal space, directly below the middle of the armpit?

Correct Answer
verified

Exam 49: Electrocardiography and Pulmonary Function Testing

Which of the following is the electrical impulse that initiates a chain reaction resulting in contraction?

Correct AnswerverifiedShow Answer

An instrument used to measure the air taken in by and expelled from the lungs is the ____.

Correct AnswerverifiedShow Answer

Pulse oximetry can be used to help diagnose ________, in which breathing pauses during sleep.

Correct AnswerverifiedShow Answer

The process of using ultrasound to view the heart in motion is called ________.

Correct AnswerverifiedShow Answer

If a lead does not appear on an ECG tracing, what step should be taken before repeating the tracing?

Correct AnswerverifiedShow Answer

-You are attempting to record an ECG for Mr. Potter, a 72-year-old patient who has Parkinson's disease. Knowing this, you automatically place the limb electrodes close to the trunk. However, the tracing looks as shown in the picture. What artifact is present and what can you do to fix it?

Correct AnswerverifiedShow Answer

If the patient has good control of her asthma, her peak flow rate is in the ____,

Correct AnswerverifiedShow Answer

The ____ send(s) out electrical impulses to initiate depolarization.

Correct AnswerverifiedShow Answer

A pulse oximeter reading of less than 95% indicates low blood oxygen, or ________.

Correct AnswerverifiedShow Answer

Which of the following is a correct statement about the stylus temperature control?

Correct AnswerverifiedShow Answer

The _________ is a pen-like instrument that records the electrical impulses on the ECG paper.

Correct AnswerverifiedShow Answer

Electrodes for limb leads should be attached to ____.

Correct AnswerverifiedShow Answer

-The arrhythmia pictured here is ____.

Correct AnswerverifiedShow Answer

The artifact pictured here is ________.

Correct AnswerverifiedShow Answer

Correct AnswerverifiedShow Answer

The time it takes for electrical impulses to travel from the SA node to the AV node is the ____.

Correct AnswerverifiedShow Answer

Which of the following would you include in patient preparation for a pulmonary function test?

Correct AnswerverifiedShow Answer

Which of the following is a record of the waves of electrical impulses responsible for the cardiac cycle?

Correct AnswerverifiedShow Answer

Which of the following measures and evaluates a patient's lung capacity and volume?

Correct AnswerverifiedShow Answer

Which precordial electrode is placed in the fifth intercostal space, directly below the middle of the armpit?

Correct AnswerverifiedShow Answer

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified