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Clinical 3
Which of the following is the process by which a graphic pattern is created from the electrical impulses generated in the heart as it pumps? | Electroneurography |
Which of the following measures and evaluates a patient's lung capacity and volume? | Pulmonary function test |
Where does the transmission of electrical impulses in the heart begin? | SA node |
Which of the following is the primary pacemaker of the heart? | Purkinje fibers |
Which of the following is the electrical impulse that initiates a chain reaction resulting in contraction? | depolarization |
Which of the following is a record of the waves of electrical impulses responsible for the cardiac cycle? | electrocardiogram |
The instrument that measures and displays the electrical impulses responsible for the cardiac cycle is a(n) ____. | electrocardiograph |
The electrical impulses responsible for the cardiac cycle that appear on an electrocardiogram as peaks and valleys are called ____. | deflections |
The different views recorded on an electrocardiogram that are produced by the electrical activity of the heart are ____. | leads |
Which of the following is a pen-like instrument that records impulse movement on the ECG paper? | stylus |
Which of the following is an erroneous mark or defect that may appear on an ECG strip? | artifact |
Which of the following is appropriate when preparing the room and equipment for an electrocardiogram? | Select a room in which all electrical equipment is turned off |
Which communication would alleviate a patient’s anxiety about having an electrocardiography? | Encourage the patient to ask questions and verbalize her concerns |
Possible causes for a wandering baseline are ____. | poor skin preparation, dangling wire, or breathing movement |
Which precordial electrode is located by counting to the fourth intercostal space to the right of the sternum? | V1 |
Which precordial electrode is placed in the fourth intercostal space to the left of the sternum? | V2 |
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 |
Which precordial electrode is placed in the fifth intercostal space, directly below the middle of the armpit? | V6 |
If a lead does not appear on an ECG tracing, what step should be taken before repeating the tracing? | Reconnect the wire |
Which test is utilized to measure the heart’s conduction system during exercise, when the demand for oxygen is increased? | Stress testing |
Which of the following is used to assess the electrical activity of a patient's heart over a 24-hour period of normal activity? | holter monitoring |
Which of the following results in a flat line on the ECG tracing? | detached/loose wire |
Which of the following would be included in the patient’s instructions regarding a Holter monitor test? | Instruct the patient to record all activities, emotions, symptoms, and medications taken |
The greatest volume of air that can be expelled when a person performs a rapid, forced expiration is the ____. | forced vital capacity |
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 |
The deflections that occur on an ECG are labeled with the letters ____. | P, Q, R, S, T, and U |
Which of the following is a small upward curve that represents the sinoatrial node impulse, wave of depolarization through the atria, and resultant contraction? | P wave |
Which of the following represents the time it takes for the ventricles to contract and recover, or repolarize? | Q-T interval |
Which of the following represents the time between contraction of the ventricles and recovery? | S-T segment |
The time it takes for electrical impulses to travel from the SA node to the AV node is the | P-R interval |
Which of the following refers to the contraction of the ventricles following depolarization? | QRS complex |
The impulse that travels through both ventricles is the ____. | S wave |
Which control is used to adjust the position of the stylus on the ECG? | centering control |
Which of the following is a correct statement about the stylus temperature control? | A higher temperature produces a heavier line. |
Electrodes for limb leads should be attached to ____. | fleshy portions of the limbs |
If a patient is uncomfortable lying flat on the examining table for an ECG test, he can be placed in the ____. | supine position |
Which of the following can prevent a wandering baseline? | Be sure the skin is prepared adequately |
The ____ send(s) out electrical impulses to initiate depolarization. | bundle of his |
Which of the following is a life-threatening dysrhythmia that results in no cardiac output | Bundle branch block |
Which of the following dysrhythmias is due to a heartbeat originating in the ventricles that occurs early in the cycle and is followed by a pause before the next cycle? | PVCs |
The dysrhythmia in which P waves cannot be identified because of rapid multiple electrical signals that fire from areas of the atria other than the SA node is known as ____. | atrial fibrillation |
Which of the following delays the electrical impulse to give time for the atria to complete contraction and the ventricles to fill? | AV node |
Which of the following measures the patient's response to a constant or increasing workload? | exercise ECG |
How do you prepare patients for spirometry? | wear nose clip |
Which of these is a component of an acceptable maneuver for spirometry? | minimum of 6 seconds |
Which peak flow zone indicates that large airways are beginning to narrow? | yellow zone |
The peak flow zone that requires immediate medical treatment is the ____. | red zone |
If the patient has good control of her asthma, her peak flow rate is in the ____, | green zone |
When using pulse oximetry long-term, you should move the sensor to a new site every ____. | 4 hours |
Which of the following would you include when preparing the room and equipment for an electrocardiogram?
Clinical 3.
Which of the following would be included in the patients instructions regarding a Holter monitor test?
which of the following would be included in the patient's instructions regarding Holter monitor test? Instruct the patient to record all activities, emotions, symptoms, and medications taken.
Which of the following measures and evaluates a patient's lung?
Spirometry (spy-ROM-uh-tree) is a common office test used to assess how well your lungs work by measuring how much air you inhale, how much you exhale and how quickly you exhale. Spirometry is used to diagnose asthma, chronic obstructive pulmonary disease (COPD) and other conditions that affect breathing.
Which of the following is a measurement taken to determine the amount of air that can be quickly forced from the lungs?
Spirometry is a simple test used to help diagnose and monitor certain lung conditions by measuring how much air you can breathe out in one forced breath.