Cct Exam Practice (Ee) With Complete Solutions Latest Update, Exams of Nursing

Download Cct Exam Practice (Ee) With Complete Solutions Latest Update and more Exams Nursing in PDF only on Docsity! Cct Exam Practice (Ee) With Complete Solutions Latest Update Which of the following leads would help to record the electrical activity in the heart's horizontal plane? -Bipolar lead -12-lead ECG -Precordial leads -Unipolar leads - correct answers Precordial leads This provides a transverse view through the middle of the heart which divides it into upper and lower portions. Of the electrocardiogram waves, which would be considered the first deflection after the diastole that is produced because of the atrial depolarization? -T wave -S wave -Q wave -P wave - correct answers P wave This occurs because of the atrial depolarization of the heart. The Bundle of His has an intrinsic firing rate of which of the following? -40 to 60 beats per minute -30 to 60 beats per minute -60 to 80 beats per minute -80 to 100 beats per minute - correct answers 40-60 beats per minute The Bundle of His is located at the superior portion of the interventricular septum. The Bundle of His is actually the pathway of the electrical impulses that lead out of the SA node. If a patient is experiencing a low blood pressure, which of the following terms would be correct? -Hyper tension -Hypoxemia -Hypotension -Hypoplastic - correct answers Hypotension Fibrosis can occur at any age, but is most common with the elderly. They have a higher incidence of AV block which can be caused by fibrosis in the conduction system A dropped beat indicates what? (Skipped QRS wave) ____ degree heart block, type __ - correct answers Second degree heart block, type I With this rhythm, the PR interval will lengthen in each of the intervals until one QRS completely disappears. Which of the following characteristics would a good ECG technician have? -They should be reliable -They should have mechanical aptitude -They should be able to follow directions -All of the above - correct answers All of the above Which of the following would be the main purpose of the heart valves? -The prevention of back-flow of blood -They assure that there is a uni-directional flow of blood through the heart -Both A and B -None of the above - correct answers Both A and B Which of the following would be considered correct regarding the grid paper that is used for an ECG? -The grid paper consist of horizontal lines -The grid paper is not heat sensitive -The grid paper consist of vertical lines -Both A and C - correct answers Both A and C The grid paper that is used for an ECG test: Consists of horizontal lines Consists of vertical lines Is heat sensitive Is used for cardiac monitoring and ECG's If a patient's heart becomes softened, it could cause changes in the electrocardiogram. Which of the following terms would be considered correct for a softening of the heart? -Cardiomegaly -Cardiopathy -Cardiomalacia -None of the above - correct answers Cardiomalacia Cardiomegaly is an enlarged heart Cardiopathy is any heart disease Cardiomalacia is a softening of the heart Potential causes of PVC's can be which of the following conditions? -Stimulants such as cocaine, coffee, nicotine or amphetamines -Increased catecholamines -Hypoxia -All of the above - correct answers All of the above Some of the causes would include: Stimulants such as cocaine, coffee, nicotine or amphetamines Increased catecholamines Hypoxia Heightened emotions AMI -Acute treatment -None of the above - correct answers Prophylaxis Chronic treatment would be over a length of time. Acute treatment would be for sudden diagnosis. Prophylaxis would be treatment that would attempt to prevent something from occurring The leads V1-V6 view the heart from which of the following planes? -Vertical plane -Horizontal plane -Semi-vertical plane -None of the above - correct answers Horizontal plane The frontal leads I, II, III, aVR, and aVF view the heart from a vertical plane. Leads V1-V6 view the heart from a horizontal plane A patient's heart rate is typically taken where? -Radial -Apical -Femoral -Both A and B - correct answers Both A and B The heart rate can be taken femorally, but is not the typical choice for taking the heart rate. A patient's heart rate is typically taken: Radial, Apical Of the following, which would be the correct term for the air sacs in the lungs where the carbon dioxide and oxygen are exchanged? -Ablation -Aneurysm -Alveoli -Angina - correct answers Alveoli Ablation is the elimination of something Aneurysm is a weakening and/or protrusion of a blood vessel or muscle Angina is pain caused by disease that constricts the blood flow to the vessels of the heart Alveoli are the air sacs in the lungs where the carbon dioxide and oxygen are exchanged Of the following, which would Quinidine be used to treat? -Paroxysmal supraventricular tachycardia -Premature ventricular contractions -Both A and B -None of the above - correct answers Both A and B Quinidine is often used to treat: Paroxysmal supraventricular tachycardia Premature ventricular contractions Atrial fibrillationAtrial flutter Of the following, which is not one of the hearts electrical conduction systems? -AV bundle -9 volts -SA node -Purkinje fibers - correct answers 9 volts This would be incorrect for one of the hearts electrical conduction system. The AV bundle, SA (sinoatrial) node, the AV (atrioventricular) node, the bundle branches, and the purkinjefibers are all part of the hearts system Which of the following waves on an electrocardiogram would stand for depolarization of the atrium? -QRS -P -T -W - correct answers P The P wave is what represents the hearts depolarization of the atrium. This is when the heart is contracting Which of the following factors might interfere with the results of an electrocardiogram? -Pregnancy -Certain medications -Ascites -All of the above - correct answers All of the above Some of these factors might include: Pregnancy Certain medications Ascites Obesity Electrolyte imbalances Smoking prior to the procedure Exercising prior to the procedure Movement during the procedure The size of the person's chest The location of the patient's heart Of the following, which vessels transport the deoxygenated blood to the heart? -Coronary arteries -Coronary veins -Both A and B -None of the above - correct answers Coronary veins The coronary arteries carry the oxygenated blood to the myocardium. The coronary veins transport deoxygenated blood to the heart If a P wave is notched, which of the following would it be indicative of? -The notch is indicative of the separating of the left and right atrial actions -The electrocardiogram was not performed correctly -The notch doesn't mean anything -The notch is indicative of the patient having severe electrolyte problems - correct answers The notch is indicative of the separating of the left and right atrial actions The P wave is produced by the depolarization of the atrium. The notch is indicative of the separation of left and right atrial actions Where would the J point be located in a cardiac complex? -At the end of the PR complex and the beginning of the QRS complex -At the end of the QRS complex and the beginning of the ST segment -At the beginning of the PR complex and the ending of the ST segment -Both A and C - correct answers At the end of the QRS complex and the beginning of the ST segment The J point would be at the end of the QRS complex and the beginning of the ST segment. The J point is considered very important when attempting to diagnosis elevation of the ST segment -Cocaine -Blood loss -Medications -All of the above - correct answers All of the above There are numerous things that can cause a patient to be tachycardic. In addition, other things can include such things as: Fever Dehydration Anemia Anxiety Heart failure Hypermetabolic states Of the following, which factors might influence the patient's vital signs? -Insurance coverage -Overall health -Sex -Both B and C - correct answers Both B and C These factors might include: Overall health Sex Age Weight Capacity for exercise Which of the following might a Holter monitor test tell the physician? -If a pacemaker is working properly -If medications are working effectively -If an implantable cardioverter defibrillator is working properly -All of the above - correct answers All of the above Wearing a Holter monitor might tell the physician about: If a pacemaker is working properly.If medications are working effectively If an implantable cardioverter defibrillator is working properly Could help diagnosis the cause of the patient experiencing dizziness, faintness or chest pain If the heart is getting enough oxygen to meet it's needs The ECG technician completes vital signs on a patient. Which of these would be considered within normal range? -Blood pressure 117/76 -Heart rate 66 -Respirations 16 -All of the above - correct answers All of the above All of these are considered to be within normal range. Normal blood pressure: 90/120 systolic and 60/90 diastolic Heart rate: 60-100 beats per minute Respirations: 16-20 breaths per minute Temperature: 97.6 F -99.0 F Which of the following extremities would be used for grounding with an ECG? -Left leg -Left arm -Right leg -Right arm - correct answers Right leg -Always cause life support -Advanced cardiac long life -All of the above - correct answers Advanced cardiac life support When doing skin preparation prior to performing an electrocardiogram, which of the following could be done? -Be sure the skin is dry -If the hair on the chest is going to interfere with the placement of the electrodes, shave the area -Both A and B -None of the above - correct answers Both A and B When doing skin preparation: Be sure the skin is dry If the hair on the chest is going to interfere with the placement of the electrodes, shave the area Use an alcohol prep pad or benzoin tincture on the skin Which of the following helps to provide reference for locating the 4th intercostal spaces? -Ersteins anomaly -The Angle of Louis -Wolf-Parkinson-White syndrome -None of the above - correct answers The Angle of Louis The Angle of Louis is the sternal angle. This is the angle that is formed between the manubrium of the sternum and the body of the sternum Sinus tachycardia: -Causes the persons body to need more oxygen -Causes the persons body to need less oxygen -Causes the patient to be sleepy -Causes the patient to be confused - correct answers Causes the persons body to need more oxygen. Because the patients heart is firing at a faster rate, it causes the body to demand more oxygen A thick, gelled mass of blood is considered which of the following? -Blood pressure -Blood clot -Arterioles -None of the above - correct answers Blood clot Blood pressure is the force of pressure that is exerted by the heart when pumping blood Arterioles is the small branches of the arteries Blood clot is a thick, gelled mass of blood An ECG (electrocardiogram) can detect which of the following? -Evidence of hypertrophy of the heart muscle -The rate and rhythm mechanism of the heart -Evidence of impaired blood flow to the heart muscle -All of the above - correct answers All of the above In addition to the above, how the heart is placed in the chest cavity and damage to various sections of the heart muscle can be seen. An electrocardiogram can also show abnormal electrical activity that can cause the patient to experience abnormal cardiac rhythms The heart valve which separates the right atrium and the right ventricle is considered which of the following? -Coronary -The color of the patient's skin -The rising of the patient's chest -The patient's urinary output -Both A and B - correct answers Both A and B Looking at the patient is actually the best way to tell if quality CPR is being done. The chest of the patient will rise and fall and the color of the patient's skin are both clinical signs of the quality of CPR If a physician is studying diseases of the heart, it would be considered which of the following terms? -Cardiopathy -Cardiology -Cardiectasia -Cardioplasty - correct answers Cardiology Cardiology is the study of the heart and its diseases Cardiectasia is stretching of the heart Cardioplasty is the repair of the heart Cardiopathy is any disease of the heart The heart is made up of approximately how many cells? -200 hundred -One trillion -Half a billion -10 thousand - correct answers Half a billion Approximately half a billion cells make up a standard human heart. Most of them make up the ventricular walls. There are approximately 100 million myocardial cells that contract everyone third of a second Which of the following statements would not be correct related to ECG technician training? -They are sometimes trained on the job -They are never trained on the job -They typically require about 60 hours training -They are often people who already work in the health- care field - correct answers They are never trained on the job The ECG technician is often a person who already works in the health care field and are often trained on the job. If they are trained on the job, it typically last approximately 8 to 16 weeks. They usually undergo about 60 hours of training On a cardiac rhythm strip, which of the following can determine if the patient's heart rate is regular? -The RR intervals being equal -The PP intervals being equal -The RR intervals being unequal -Both A and B - correct answers Both A and B If the RR or PP intervals are not equal, then the rhythm is irregular. One of the most uncommon rhythms that is always unequal is atrial fibrillation A sudden drop in the blood flow through a patients body causing the circulatory system to be unable to maintain adequate blood flow is called which of the following? -Shortness of breath -Shock -Pulmonary -None of the above - correct answers Shock Shortness of breath would be a difficulty in breathing, sometimes referred to as dyspnea Pulmonary refers to the lungs With atrial fibrillation the term smooth would not fit. The fibrillation waves are irregular, chaotic, and asynchronous Carotid sinus massage is typically used to help decrease a fast heart rate. Which of the following statements would not be considered correct regarding carotid sinus massage? -Should not be done for longer than 3-5 seconds -Should be done on both sides at the same time -Should be performed about the angle of the jaw -Should not be done on both sides at the same time - correct answers Should be done on both sides at the same time The patient should always be on a cardiac monitor before carotid sinus massage is performed. The massage should only be performed on one side at a time about the angle of the jaw and should not be done for longer than about 3-5 seconds If a patient has an AV block, which of the following would be correct? -The impulses from the atria to the ventricles are interrupted -The patient will be on bedrest -The patient will be unresponsive -The patient will be very angry - correct answers The impulses from the atria to the ventricles are interrupted An AV block is when there is an interruption in the impulses between the atria and the ventricle of the heart. This delay occurs when the impulse goes through the AV node Junctional tachycardia would have a normal firing rate of which of the following? -50-100 beats per minute -100-200 beats per minute -200-300 beats per minute -130-220 beats per minute - correct answers 100-200 beats per minute Junction tachycardia would have a normal firing rate of 100-200 beats per minute. This is considered a form of supraventricular tachycardia that is characterized by the involvement of the AV node When performing an ECG on a female patient with large breasts, where would the technician place the electrodes? -On top of the patient's breast -In the area of the midaxillary -Under the breasts -On the abdomen - correct answers Under the breasts Knowing what to do in special circumstances helps the ECG technician do a good job. When preparing to do an ECG on a female with large breasts, the technician should lift the breasts and place the electrodes under If there are ST elevations and Q waves in the posterior leads of V7-9, what would they be indicative of? -Anterior MI -Inferior MI -Posterior MI -Lateral MI - correct answers Posterior MI Changes in V1-V3 suggest a posterior MI. ST elevations and Q waves in the posterior leads of V7-9 would be indicative of a posterior infarction -Depolarized -Contracting -Relaxed -None of the above - correct answers Relaxed When cell recovery is occurring, the ions shift back to their original places and the cell recovers the negative charge inside. This results in the myocardial relaxation and is considered to be repolarization When checking the patient's orders prior to performing the ECG, the technician sees that the patient's temperature is to be taken axillary. Which of the following routes would be considered correct for axillary? -Ear -Mouth -Armpit -Anally - correct answers Armpit The ear would be considered tympanic The mouth would be considered orally The anus would be considered rectally The armpit would be considered axillary When performing an electrocardiogram (ECG), there is an electrical power leakage.Which of the following could this be considered? -Premature ventricular contractions -Artifact -Wandering baseline -60-cycle interference - correct answers 60-cycle interference Premature ventricular contractions, artifact, and wandering baseline are not correct. The 60-cycle interference is caused by a power leakage while performing an ECG The ECG technician that is instructing the patient regarding the Holter monitor should tell them which of the following? -That a button down shirt or blouse is best to wear over the electrodes -To go about their normal daily activities -To avoid electrical appliances such as hairdryer or electric razors because they could interfere with the ECG signals -All of the above - correct answers All of the above When the patient is wearing a Holter monitor, the ECG needs to provide instructions to them: That a button down shirt or blouse is best to wear over the electrodes To go about their normal daily activities To avoid electrical appliances such as hairdryer or electric razors because they could interfere with the ECG signals The patient should not shower while the Holter monitor is on The patient should wear a Holter device (shoulder strap or a belt loop) to secure the monitor The patient should keep a diary/log of their activity The patient should document any important details such as chest discomfort, dizziness or skipped heartbeats The ECG technician completed the ECG for a patient in respiratory isolation for tuberculosis and prepares to leave the patient's room. When should the technician remove their N95 respirator mask? -Prior to leaving the room -The ECG technician would not be required to wear a mask -After leaving the room -All of the above - correct answers Fragile skin A common complication when testing elderly patients would include the fact that they most often have fragile skin. When applying electrodes, decreased pressure should be used The nurse is caring for a patient that has had a myocardial infarction and is experiencing chest pain. Which of the following would be considered the typical medication used for the relief of chest pain? -Coreg -Tylenol -Lidocaine -Morphine - correct answers Morphine It is administered by IV per the dosage ordered by the physician. The typical dose would be considered 2-5 mg and may repeat every 5 minutes up to 10 mg If a patients heart rate is 44 beats per minute, which of the following would it be considered? -Tachycardic -Bradycardic -Both A and B -None of the above - correct answers Bradycardic less than 60 beats per minute Which of the following would be the medical term used for a persons breastbone? -Clavicle -Pelvis -Sternum -Femur - correct answers Sternum The clavicle is also known as the collarbone The pelvis in a human is the area that is between the abdomen and the thighs The femur is the thigh bone or the longest, thickest, and strongest bone in the human body Which of the following is considered to be the study of the human hearts electrical conduction system? -Contractility -Electrophysiology -Cardiology -None of the above - correct answers Electrophysiology Contractility is one of the cardiac cell characteristics Cardiology is the study of the heart Electrophysiology is the study of the human hearts electrical conduction system Which of the following rhythms would not be considered life-threatening? -Ventricular tachycardia -First degree AV block -MAT -Ventricular fibrillation - correct answers First degree AV block The other 3 options above can be life-threatening. In most cases, first degree AV block requires no treatment at all and is not life-threatening Of the following, which is correct for the heart valve that is between the right ventricle and the pulmonary artery? -All of the above - correct answers All of the above When admitted to intensive care, the patient is typically connected to a bedside cardiac monitor. When the patient is admitted to the cardiac floor, the cardiac monitor is typically portable and is worn around the neck. This monitor serves as a quick reference for the healthcare staff, providing a continuous display, and can also transmit a cardiac rhythm strip If the patient's atrial fibrillation rate is 90 beats per minute, it would be considered which of the following? -Uncontrolled atrial fibrillation -Normal rate atrial fibrillation -Controlled atrial fibrillation -Rapid atria fibrillation - correct answers Controlled atrial fibrillation With uncontrolled atrial fibrillation, the rate would be over 100 beats per minute With controlled atrial fibrillation, the rate would be less than 100 beats per minute The mean instantaneous vector would be considered which of the following? -Bipolar lead -Unipolar lead -Electrical axis -Focal point - correct answers Electrical axis The mean instantaneous vector would be considered the electrical axis. The electrical axis of the heart would be considered the direction of the electromotive force that is developed in the heart during activation In the healthcare industry, if the patient is not identified correctly, it could have the result of which of the following? -Testing errors -Procedures on the wrong patient -Both A and B -None of the above - correct answers Both A and B If the patient is not identified correctly, it could potentially result in which of the following: Testing errors Procedures on the wrong patient Medication errors Transfusion errors The discharge of infants to the wrong family