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EKG Review Test Questions and Answers
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List 3 characteristics of a multi-channel or 3 channel EKG machine Speed,8× 11 paper,simultaneously records several leads at once 
 
What does ECG stand for?what dose it represent? Electrocardiography and galvanometer 
 
What is the phase of contraction also know as ? Depolarization 
 
What is the phase of relaxation also know as? Repolarization 
 
What is the name of the body's natural pacemaker? Sa node 
 
What is the purpose of pointing the power cord of the ECG machine away from the patien...
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EKG Test Study Questions and Answers
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What cells cause the heart to contract? Contractile cells 
 
What creates and conducts impulses to regulate the cardiac cycle? Conduction system cells 
 
What controls involuntary bodily functions and has two subdivisions? Autonomic nervous system 
 
Sympathetic nervous system Fight or flight. 
Hits the accelerator. 
 
How does depolarization occur? Change in the cardiac cell's electrical charge from negative to positive. Accomplished by sodium and potassium ions changing place. Causes a wave o...
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Nurse Residency Prep EKG Practice Questions and Answers
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how many large squares in an 6 second EKG 30 squares 
 
normal PR interval 0.12-2.0 sec 
 
large box sec 0.20 
 
small box sec 0.04 
 
qrs interval sec 0.06-0.12 
 
QRS greater than _____________ is What type of block greater than 0.12 is a branch bundle block 
 
finding rate number of R waves in 6 second multiplied by 10 
 
big box rate method 300/number of big boxes between RR 
 
Electrical conduction in Heart SA>AV> Bundle of HIS> Perjunke Fibers 
 
first degree heart block 
 
KC rhy...
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RN EKG Test Questions and Answers
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What is the intervention for Sinus Tach? Identify the cause and treat (Fever, dehydration, anxiety, etc.) 
 
What is the intervention for sinus bradycardia? Stable, chronic....none. 
Assess your patient first...if they are unstable atropine. 
 
What is the intervention for sinus with PACs? None 
 
What is the intervention for sinus with PVCs? None...assess electrolytes, oxygenation. 
 
What is the intervention for sinus exit block/arrest? Notify the PCP and record the length of the pause. TCP if...
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Star RN Final Exam Questions and Answers
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How is auscultation of the lungs achieved? side to side & top to bottom 
 
Lung Sounds: Rub loud, dry, coarse 
 
Lung Sounds: Rhonci indicated consolidation, continuous balloon rubbing, snoring sound, low pitched rumbling 
 
Lung Sounds:Wheezing *** continuous high-pitched musical sounds 
 
Lung Sounds: Coarse Crackle non-continuous popping, moist, low-pitched bubbling sounds, soda bottle popping 
 
:Lung Sounds: Fine Crackles *** short (non-continuous), high-pitched crackling and popping sounds...
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EKG Exam Practice Questions and Answers
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Where does a junctional rhythm originate AV Node 
 
Why do we call it AV Junction and not AV Node? AV junction is the space between the atrial and ventricle, while the AV node is the back up pacemaker 
 
Where will the P waves be located with a junctional rhythm? Immediately before, after, or hidden within QRS 
 
What is the rate of a junctional rhythm 40 to 60 bpm 
 
What is an accelerated junctional rhythm? Rate: 60-100 bpm 
Rhythm: regular 
P-waves: inverted or missing for each beat 
PRI: var...
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Stanford CA1 Guide with Questions and Answers
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Pulse ox wavelengths 660, 940 
 
Methemoglobin treatment Methylene blue, vitamin C 
 
Carboxyhemoglobin treatment 100% FiO2 
 
Cyanide toxicity treatment Hydroxycobalamine 
 
Most sensitive EKG lead for atrial dysrhythmia Lead II 
 
Two benefits of 5 lead EKG V1 enhances atrial dysrhythmia detection 
V4/5 enhances ischemia detection 
 
Change in BP by height 15 cm height = 10 mmHg BP 
Or 7.5 mmHg per 10 cm 
 
ETCO2 goal during CPR >10 
Sudden increase indicates ROSC 
 
R to L shunt has more o...
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RNC-NIC Cardiac Practice Questions and Answers
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Changes at delivery Pressure: Increased SVR, decreased PVR 
Oxygenation: Pulmonary arterioles dilate, alveoli expansion 
Shunts close 
 
Cardiac output calculation CO=HRxSV 
 
Mean arterial pressure calculation (2xDBP)+SBP/3 
 
Stroke volume Contractility, preload, afterload 
 
Preload Measures pressure over volume in the ventricles prior to contraction 
 
Afterload Resistance of blood flow leaving the ventricle 
 
Causes of decreased preload Hypovolemia 
Vasodilation 
Hyperthermia 
Sepsis 
 
Ca...
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4th Semester Starn EKG Final Exam Review Questions and Answers
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The human adult liver DOES NOT: 
A.) store glycogen 
B.) produce erythrocytes 
C.) convert ammonia to urea 
D.) produce blood coagulation proteins B.) produce erythrocytes 
 
A lobule of the liver contains a centrally located: 
A.) vein with radiating hepatocytes and sinusoids 
B.) arteriole with radiating capillaries and Kupffer cells 
C.) hepatic sinus with radiating sinusoids 
D.) hepatic duct with radiating Kupffer cells and cords of hepatic cells A.) vein with radiating hepatocytes and sinu...
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Adult Lang Disorders- Stroke Review Questions and Answers
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crossed aphasia aphasia from right hemisphere damage 
 
what determines the deficits of function in PWA location and extent of damage 
 
ischemic stroke "block" from blood clot 
 
hemorrhagic stroke "rupture" of blood vessel 
 
what is the biggest risk factor for having a stroke? having already had one 
 
demographic risk factors for stroke 65+ age, female, black and asian american 
 
social risk factors for stroke unemployment, poverty, reduced access to healthcare 
 
health causes of strok...
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