If a patient is uncomfortable lying flat on the examining table for an ECG test, he can be placed in the __________.

Fowler's position

What is the arrhythmia pictured here?

PVCs

Where does the transmission of electrical impulses in the heart begin?

SA node

The impulse that travels through both ventricles is the __________.

S wave

Which precordial electrode is placed in the fifth intercostal space, where it intersects an imaginary line drawn straight down the middle of the clavicle?

V4

The different views recorded on an electrocardiogram that are produced by the electrical activity of the heart are __________.

Leads

When pressed, which of the following should cause the stylus to move up 10mm (10 small squares) and remain there for 0.08 second (2 small squares or 2 mm)?

standardization control

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

V6

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

P-R interval

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

1.Sa node

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

Select a room away from all other electrical equipment.

The arrhythmia pictured here is __________.

atrial fibrillation

Which of these is a component of an acceptable maneuver for spirometry?

Minimum of 6 seconds

AC interference can be prevented by __________.

making sure lead wires are not crossed and following the contour of the body

The different views recorded on an electrocardiogram that are produced by the electrical activity of the heart are __________.

Leads

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?

Wandering baseline caused by lotion on the skin; re-prep the skin with isopropyl alcohol.

The greatest volume of air that can be expelled when a person performs a rapid, forced expiration is the __________.

Forced vital capacity

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

Reconnect the wire

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

Green zone

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

Reconnect the wire

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

Peak expiratory flow rate

Electrodes for limb leads should be attached to __________.

Fleshy portions of the limb

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

Sa nodes

Electrodes for limb leads should be attached to __________.

fleshy portions of the limb

The peak flow zone that requires immediate medical treatment is the __________.

Red zone

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

Depolarization

Which control is used to adjust the position of the stylus on the ECG?

Centering control

Pulmonary function tests are useful in monitoring which condition?

Chronic obstructive pulmonary disease

Which of the following represents the time between contraction of the ventricles and recovery?

S-t segment

The instrument that measures and displays the electrical impulses responsible for the cardiac cycle is a(n) __________.

Electrocardiograph

What is the arrhythmia pictured here?

Ventricular fibrillation