front 1 If a patient is uncomfortable lying flat on the examining table for an ECG test, he can be placed in the __________. | back 1 Fowler's position |
front 2 What is the arrhythmia pictured here? | back 2 PVCs |
front 3 Where does the transmission of electrical impulses in the heart begin? | back 3 SA node |
front 4 The impulse that travels through both ventricles is the __________. | back 4 S wave |
front 5 Which precordial electrode is placed in the fifth intercostal space, where it intersects an imaginary line drawn straight down the middle of the clavicle? | back 5 V4 |
front 6 The different views recorded on an electrocardiogram that are produced by the electrical activity of the heart are __________. | back 6 Leads |
front 7 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)? | back 7 standardization control |
front 8 Which precordial electrode is placed in the fifth intercostal space, directly below the middle of the armpit? | back 8 V6 |
front 9 The time it takes for electrical impulses to travel from the SA node to the AV node is the __________. | back 9 P-R interval |
front 10 1.The __________ send(s) out electrical impulses to initiate depolarization. | back 10 1.Sa node |
front 11 Which of the following is appropriate when preparing the room and equipment for an electrocardiogram? | back 11 Select a room away from all other electrical equipment. |
front 12 The arrhythmia pictured here is __________. | back 12 atrial fibrillation |
front 13 Which of these is a component of an acceptable maneuver for spirometry? | back 13 Minimum of 6 seconds |
front 14 AC interference can be prevented by __________. | back 14 making sure lead wires are not crossed and following the contour of the body |
front 15 The different views recorded on an electrocardiogram that are produced by the electrical activity of the heart are __________. | back 15 Leads |
front 16 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? | back 16 Wandering baseline caused by lotion on the skin; re-prep the skin with isopropyl alcohol. |
front 17 The greatest volume of air that can be expelled when a person performs a rapid, forced expiration is the __________. | back 17 Forced vital capacity |
front 18 If a lead does not appear on an ECG tracing, what step should be taken before repeating the tracing? | back 18 Reconnect the wire |
front 19 If the patient has good control of her asthma, her peak flow rate is in the __________, | back 19 Green zone |
front 20 If a lead does not appear on an ECG tracing, what step should be taken before repeating the tracing? | back 20 Reconnect the wire |
front 21 Which of the following is a measurement taken to determine the amount of air that can be quickly forced from the lungs? | back 21 Peak expiratory flow rate |
front 22 Electrodes for limb leads should be attached to __________. | back 22 Fleshy portions of the limb |
front 23 The __________ send(s) out electrical impulses to initiate depolarization. | back 23 Sa nodes |
front 24 Electrodes for limb leads should be attached to __________. | back 24 fleshy portions of the limb |
front 25 The peak flow zone that requires immediate medical treatment is the __________. | back 25 Red zone |
front 26 Which of the following is the electrical impulse that initiates a chain reaction resulting in contraction? | back 26 Depolarization |
front 27 Which control is used to adjust the position of the stylus on the ECG? | back 27 Centering control |
front 28 Pulmonary function tests are useful in monitoring which condition? | back 28 Chronic obstructive pulmonary disease |
front 29 Which of the following represents the time between contraction of the ventricles and recovery? | back 29 S-t segment |
front 30 The instrument that measures and displays the electrical impulses responsible for the cardiac cycle is a(n) __________. | back 30 Electrocardiograph |
front 31 What is the arrhythmia pictured here? | back 31 Ventricular fibrillation |