Question 1

Calibration of a spirometer requires the use of a standardized measuring instrument called a(n) calibration ________ and should provide a reading on the spirometer within 3% of the stated volume.

Accepted Answer

The answer of Calibration of a spirometer requires the use...

Question 2

The impulse that travels through both ventricles is the ____.

Accepted Answer

A)   R wave
B)   Q wave
C)   S wave
D)   P wave
E)   T wave

Question 3

-What is the arrhythmia pictured here?

Accepted Answer

A)   Atrial fibrillation
B)   PVCs
C)   Ventricular fibrillation
D)   Bundle branch block
E)   Cardiac arrest

Question 4

Which of the following results in a flat line on the ECG tracing?

Accepted Answer

A)   Poor skin preparation
B)   Dirty electrodes
C)   Detached/loose wire
D)   Muscle movement
E)   Electrical interference

Question 5

Electrical impulse sensors placed on the body that detect and record the electrical activity of the heart are ________.

Accepted Answer

The answer of Electrical impulse sensors placed on the body...

Question 6

An electrocardiography device that includes a small cassette or microchip recorder and records the heart rhythm over a 24-hour period is a(n) ________ monitor.

Accepted Answer

The answer of An electrocardiography device that includes a small...

Question 7

Which of the following is an erroneous mark or defect that may appear on an ECG strip?

Accepted Answer

A)   Electrolyte
B)   Deflection
C)   Stylus
D)   Lead
E)   Artifact

Question 8

-The urgent care center where you work is being remodeled, and the room usually used for obtaining ECGs is currently unavailable. The ECG equipment has been moved around the corner to the room next to the X-ray room. When you begin your first patient ECG of the day, the tracing looks as shown in the figure. What problem is present and how can you fix it?

Accepted Answer

A)   Extraneous marks; avoid using paper clips on the graph paper
B)   Somatic interference; ask the patient to be very still while you record the ECG
C)   Wandering baseline; check and reconnect loose leads
D)   Flat line; check for crossed wires or loose leads
E)   AC interference; move the ECG equipment to a room farther from other electric equipment

Question 9

The electrical impulse that initiates a chain reaction resulting in contraction is ________.

Accepted Answer

The answer of The electrical impulse that initiates a chain...

Question 10

Which of the following refers to the contraction of the ventricles following depolarization?

Accepted Answer

A)   QRS complex
B)   T wave
C)   Q-T interval
D)   S-T segment
E)   P wave

Question 11

Which of the following is a measurement taken to determine the amount of air that can be quickly forced from the lungs?

Accepted Answer

A)   Maximal voluntary ventilation
B)   Tidal volume
C)   Forced vital capacity
D)   Peak expiratory flow rate
E)   Peak flow zone

Question 12

Which of the following is appropriate when preparing the room and equipment for an electrocardiogram?

Accepted Answer

A)   Select a room in which all electrical equipment is turned off
B)   Perform the procedure in an X-ray department
C)   Place the patient on a metal table
D)   Set the room's temperature control to a very cool setting
E)   Check the ECG paper after preparing the patient

Question 13

Which of the following is a life-threatening dysrhythmia that results in no cardiac output?

Accepted Answer

A)   Atrial fibrillation
B)   PVCs
C)   Ventricular fibrillation
D)   Bundle branch block
E)   Ventricular tachycardia

Question 14

Which test is utilized to measure the heart's conduction system during exercise, when the demand for oxygen is increased?

Accepted Answer

A)   Holter monitoring
B)   Electrocardiography
C)   Pulmonary function test
D)   Stress testing
E)   Encephalography

Question 15

The type of echocardiography in which the speed and direction of blood flow through the heart can be assessed is ________ echocardiography.

Accepted Answer

The answer of The type of echocardiography in which the...

Question 16

The ________ conduct electrical impulses down both sides of the interventricular septum.

Accepted Answer

The answer of The ________ conduct electrical impulses down both...

Question 17

The medical assistant performs a pulse oximetry on a patient that results in a low blood oxygen reading. The term that the medical assistant will document in the patient's record for this low blood oxygen is ________.

Accepted Answer

The answer of The medical assistant performs a pulse oximetry...

Question 18

Which of the following represents the time it takes for the ventricles to contract and recover, or repolarize?

Accepted Answer

A)   P-R interval
B)   S-T interval
C)   Q-T interval
D)   U wave
E)   QRS complex

Question 19

The cardiac ________ is regulated by specialized tissues in the heart wall that transmit electrical impulses and cause the heart muscle to contract and relax.

Accepted Answer

The answer of The cardiac ________ is regulated by specialized...

Question 20

Pulmonary function tests are useful in monitoring which condition?

Accepted Answer

A)   Myocardial infarction
B)   Chronic obstructive pulmonary disease
C)   Angina pectoris
D)   Arrhythmias
E)   Congestive heart failure

Exam 49: Electrocardiography and Pulmonary Function Testing

Which test is utilized to measure the heart's conduction system during exercise, when the demand for oxygen is increased?

Correct Answer
verified

-What is the arrhythmia pictured here?

Correct Answer
verified

Which of the following refers to the contraction of the ventricles following depolarization?

Correct Answer
verified

Which of the following is appropriate when preparing the room and equipment for an electrocardiogram?

Correct Answer
verified

Which of the following represents the time it takes for the ventricles to contract and recover, or repolarize?

Correct Answer
verified

The impulse that travels through both ventricles is the ____.

Correct Answer
verified

Correct Answer
verified

Which of the following results in a flat line on the ECG tracing?

Correct Answer
verified

Which of the following is a measurement taken to determine the amount of air that can be quickly forced from the lungs?

Correct Answer
verified

The electrical impulse that initiates a chain reaction resulting in contraction is ________.

Correct Answer
verified

The medical assistant performs a pulse oximetry on a patient that results in a low blood oxygen reading. The term that the medical assistant will document in the patient's record for this low blood oxygen is ________.

Correct Answer
verified

Which of the following is a life-threatening dysrhythmia that results in no cardiac output?

Correct Answer
verified

An electrocardiography device that includes a small cassette or microchip recorder and records the heart rhythm over a 24-hour period is a(n) ________ monitor.

Correct Answer
verified

Electrical impulse sensors placed on the body that detect and record the electrical activity of the heart are ________.

Correct Answer
verified

The type of echocardiography in which the speed and direction of blood flow through the heart can be assessed is ________ echocardiography.

Correct Answer
verified

The ________ conduct electrical impulses down both sides of the interventricular septum.

Correct Answer
verified

The cardiac ________ is regulated by specialized tissues in the heart wall that transmit electrical impulses and cause the heart muscle to contract and relax.

Correct Answer
verified

Calibration of a spirometer requires the use of a standardized measuring instrument called a(n) calibration ________ and should provide a reading on the spirometer within 3% of the stated volume.

Correct Answer
verified

Which of the following is an erroneous mark or defect that may appear on an ECG strip?

Correct Answer
verified

Pulmonary function tests are useful in monitoring which condition?

Correct Answer
verified

Exam 49: Electrocardiography and Pulmonary Function Testing

Which test is utilized to measure the heart's conduction system during exercise, when the demand for oxygen is increased?

Correct AnswerverifiedShow Answer

-What is the arrhythmia pictured here?

Correct AnswerverifiedShow Answer

Which of the following refers to the contraction of the ventricles following depolarization?

Correct AnswerverifiedShow Answer

Which of the following is appropriate when preparing the room and equipment for an electrocardiogram?

Correct AnswerverifiedShow Answer

Which of the following represents the time it takes for the ventricles to contract and recover, or repolarize?

Correct AnswerverifiedShow Answer

The impulse that travels through both ventricles is the ____.

Correct AnswerverifiedShow Answer

Correct AnswerverifiedShow Answer

Which of the following results in a flat line on the ECG tracing?

Correct AnswerverifiedShow Answer

Which of the following is a measurement taken to determine the amount of air that can be quickly forced from the lungs?

Correct AnswerverifiedShow Answer

The electrical impulse that initiates a chain reaction resulting in contraction is ________.

Correct AnswerverifiedShow Answer

The medical assistant performs a pulse oximetry on a patient that results in a low blood oxygen reading. The term that the medical assistant will document in the patient's record for this low blood oxygen is ________.

Correct AnswerverifiedShow Answer

Which of the following is a life-threatening dysrhythmia that results in no cardiac output?

Correct AnswerverifiedShow Answer

An electrocardiography device that includes a small cassette or microchip recorder and records the heart rhythm over a 24-hour period is a(n) ________ monitor.

Correct AnswerverifiedShow Answer

Electrical impulse sensors placed on the body that detect and record the electrical activity of the heart are ________.

Correct AnswerverifiedShow Answer

The type of echocardiography in which the speed and direction of blood flow through the heart can be assessed is ________ echocardiography.

Correct AnswerverifiedShow Answer

The ________ conduct electrical impulses down both sides of the interventricular septum.

Correct AnswerverifiedShow Answer

The cardiac ________ is regulated by specialized tissues in the heart wall that transmit electrical impulses and cause the heart muscle to contract and relax.

Correct AnswerverifiedShow Answer

Calibration of a spirometer requires the use of a standardized measuring instrument called a(n) calibration ________ and should provide a reading on the spirometer within 3% of the stated volume.

Correct AnswerverifiedShow Answer

Which of the following is an erroneous mark or defect that may appear on an ECG strip?

Correct AnswerverifiedShow Answer

Pulmonary function tests are useful in monitoring which condition?

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