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MA Ch. 27
| Question | Answer |
|---|---|
| An electrocardiogram is a recording of the: | Electrical activity of the heart |
| Electrocardiography is used to (detect): A) Arrhythmia B) Ischemia C) Hypertrophy D) Ventricular Fibrillation E) All are correct | E) |
| What is a cardiac cycle? | One complete heartbeat |
| What is the name given to the portion of the ECG between two waves? A) Segment B) Interval C) Artifact D) Electrode E) All are correct | A) |
| Which of the following conditions can cause the ECG tracing to exhibit a larger than normal Q wave and an elevated S-T segment? | Myocardial Infarction |
| How high is the standardization mark when the ECG is properly standardized? | 10 mm |
| How many leads are there in a standard ECG? | 12 |
| A device placed on the skin that picks up electrical impulses released by the heart is known as: | Electrode |
| Electrical voltage received by the ECG is changed to mechanical motion in the: A) Amplifier B) Foil-lined Pouch C) Intercostal D) Galvanometer E) All are correct | D) |
| Which electrode is used as a ground reference? | Right leg lead |
| An electrolyte must be used when running an ECG to: | Facilitate transmission of electrical impulses of the heart |
| A disposable electrode is held in place by: | Adhesive backing |
| All of the following are guidelines for electrodes except: A) Check expiration dates B) Reseal electrode pouch C) Do not use electrode if dried out D) Store electrode in fridge | D) |
| The aVR, aVL, and aVF are known as the: A) Bipolar B) Augmented C) Standardization D) Amplified | B) |
| Chest lead V₂ is located in the: A) 4th intercostal space (IC) at right margin of sternum B) 4th level at position at left mid axillary line C) 5th IC space at junction of left mid clavicular line D) 4th IC space at left margin of sternum | D) |
| Where is chest lead V₅ located? A) 4th intercostal space (IC) at right margin of sternum B) 4th level at position at left mid axillary line C) 5th IC space at junction of left mid clavicular line D) Horizontal level at 4 at left anterior axillary line | D) |
| All of the following are guidelines for patient preparation for an ECG except: A) No lotion, oil, powder day of procedure B) Patient wears loose-fit comfortable clothing C) No meals or fluids 8 hours before procedure D) No pantyhose/tights | C) |
| What type of maintenance should be performed on the ECG machine? A) Casing of ECG cleaned with mild detergent B) Cables, leads, etc. are disinfected C) Alligator clips clean D) Inspect for cracks/frays E) All are correct | E) |
| What are artifacts? | A structure in an ECG report that is caused by interference of electrical activity by something else. |
| Which of the following artifacts appears as small, straight, spiked lines that are consistent in nature? A) Muscle B) 60-cycle Interference C) Standardization Mark D) Wandering Baseline E) All are correct | B) |
| All of the following results in muscle artifacts except: A) Loose electrodes B) Patient discomfort C) Apprehensive patient D) Patient coughing/talking | A) |
| Which of the following may cause a 60-cycle interference artifact? | Lead wires not located correctly on body contour |
| Which of the following represents an error in technique when running an ECG? A) Standing on left side of patient B) No talking during ECG C) Position power cord to go under table D) Applying electrodes on bare skin E) All are correct | C) |
| Holter monitor ECG is used for: | Intermittent cardiac arrhythmias symptoms |
| Which of the following is included in a Holter monitor computer-generated ECG report? | 1. Summary of overall HR and rhythm 2. Selected samples of patient’s event strip |
| What term is used to refer to an ECG result that is within normal limits? | Normal Sinus Rhythm |
| Which of the following is an example of a cardiac dysrhythmia? A) Paroxysmal Atrial Tachycardia B) Atrial Fibrillation C) Ventricular Fibrillation D) Premature Ventricular Contractions (PVC) E) All are correct | E) |
| The purpose of pulmonary function is to: | Assess lung function |
| All of the following are examples of pulmonary function tests except: A) Long volumes B) Diffusion Capacity C) Coronary Angioplasty D) ABG studies E) All are correct | C) |
| Which of the following devices measures how much air is exhaled by the lungs and how fast it is exhaled? | Spirometry |
| All of the following are indications for spirometry except: A) Upper respiratory infection B) Dyspnea C) Smokers or coal miners D) Lung disability or impairment | A) |
| All of the following are patient preparation requirements for spirometry except: A) No smoking for 8 hours B) No eating or drinking 4 hours C) No strenuous activity 4 hours D) Stop taking bronchodilator prescriptions E) All are correct | B) |
| All of the following are characteristics of asthma except: A) Chronic condition with no cure B) Shortness of breath, wheezing, coughing, etc. C) Common in young children and more likely in males D) Affects alveoli of the lungs E) All are correct | D) |
| Which of the following are asthma triggers? | 1. Dust 2. Pollen 3. Chemical fumes |
| What happens to the bronchial tubes during an asthma attack? | Constrict, swell, and become clogged with mucus |
| Which of the following is a characteristic of quick-relief asthma medication? | Rapidly opens up airways |
| The purpose of a peak flow meter is to: | Measure how quickly air flows out of the lungs |
| All of the following are characteristics of a low range peak flow meter except: A) Range from 0 to 300 B) Measured in L/min C) Used by young children and elderly D) Only available by prescription E) All are correct | D) |
| Oxygen combines with glucose in the cells of the body to produce: | Energy |
| All of the following are symptoms of low oxygen level in the body except: A) Cyanosis B) Nausea and vomiting C) Confusion and drowsiness D) Dyspnea E) All are correct | B) |
| Which of the following may occur when the body cannot maintain an adequate oxygen level? A) Deterioration of patient B) Cell necrosis C) HF D) Death E) All are correct | E) |
| All of the following conditions may require home oxygen therapy except: A) Heart palpitations B) COPD C) Hypoxemia D) Cystic Fibrosis E) All are correct | A) |
| Which of the following oxygen delivery systems separates oxygen from the air to use by the patient? | Oxygen Concentrator |
| All of the following are characteristics of a nasal cannula except: A) Mostly used in oxygen therapy B) Two prongs in nostrils and strap under chin C) Used for high levels of oxygen D) Easier for patient to talk/eat E) All are correct | C) |
| All of the following are guidelines for oxygen usage except: A) Use 50 ft of tubing for all oxygen therapies B) Store in a clean dry area C) Store oxygen cylinders upright D) Never smoke around an oxygen tank E) All are correct | A) |
| What kind if leads are V ₁, V ₂, and V ₃? A) Augmented B) Standardized C) Bipolar D) Interference E) All are correct | C) |
Created by:
sagetheherb1
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