Homework Clinic
Science Clinic => Health Science => Topic started by: rosent76 on May 18, 2019
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In Sinus Arrhythmia, the heart rate is usually ________ bpm.
◦ 60-100
◦ greater than 100
◦ less than 80
◦ less than 60
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60-100
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In Sinus Arrhythmia, the rate changes with the patient's:
◦ respirations.
◦ AV node.
◦ pulse.
◦ SA node.
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respirations.
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Thanks
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Welcome :)
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In Sinus Arrhythmia, the R-R intervals are:
◦ normal.
◦ irregular.
◦ constant.
◦ increasingly delayed.
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irregular.
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For Sinus Tachycardia, the QRS complex should be less than ________ sec.
◦ 0.01
◦ 0.20
◦ 0.18
◦ 0.12
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0.12
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For all rhythms that originate in the sinus node, you would expect the P wave in Lead II to be:
◦ upright and uniform.
◦ biphasic or notched.
◦ characteristically peaked.
◦ inverted or flattened.
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upright and uniform.
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For all rhythms that originate in the sinus node, you would expect all of the following EXCEPT:
◦ PRI measurement between 0.12 and 0.20 sec.
◦ one P wave for every QRS complex.
◦ inverted P waves following the QRS complexes.
◦ PRIs constant across the entire strip.
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inverted P waves following the QRS complexes.
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When a sinus rhythm has a QRS complex of 0.12 sec or greater, you know that this is an abnormality and would note that it has:
◦ sinus conduction defect.
◦ Purkinje disease.
◦ accelerated ventricular conduction.
◦ a wide QRS.
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a wide QRS.
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The presenting problem with Sinus Bradycardia is that:
◦ the PRI is too long.
◦ the QRS is too wide.
◦ the P waves are irregular.
◦ the rate is too slow.
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the rate is too slow.
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Thanks
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Welcome :)
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The presenting problem with Sinus Tachycardia is that:
◦ the PRI is not constant.
◦ the rate is too fast.
◦ the QRS is too narrow.
◦ the rhythm is irregular.
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the rate is too fast.
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The presenting problem with Sinus Arrhythmia is that:
◦ the PRI varies from beat to beat.
◦ the PRI is too long.
◦ the rhythm is irregular.
◦ the QRS is too wide.
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the rhythm is irregular.
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Thanks
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Welcome :)
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Atrial rhythms originate in the:
◦ AV junction.
◦ sino-atrial node.
◦ atrioventricular node.
◦ atrial pathways.
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atrial pathways.
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Which one of the following does NOT describe an atrial P wave?
◦ It can be flattened or peaked.
◦ It is uniformly rounded.
◦ It may be diphasic.
◦ It may dip below the isoelectric line.
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It is uniformly rounded.
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Thanks
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Welcome :)
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An atrial arrhythmia that occurs when the pacemaker role switches from the SA node to the atria and back again is called:
◦ Atrial Tachycardia.
◦ Atrial Fibrillation.
◦ Atrial Flutter.
◦ Wandering Pacemaker.
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Wandering Pacemaker.
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A single beat that arises from a focus outside of the SA node is called a(n):
◦ Ectopic Beat.
◦ Atrial Tachycardia.
◦ Premature Ventricular Complex.
◦ Compensatory Pause.
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Ectopic Beat.
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Thanks
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Welcome :)
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An early (premature) ectopic beat could be an indication of:
◦ escape mechanism.
◦ impending bradycardia.
◦ sinus pacemaker.
◦ irritability.
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irritability.
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Atrial Tachycardia usually has a rate of ________ bpm.
◦ 150-250
◦ 250-300
◦ 60-100
◦ 100-150
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150-250
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Thank you!
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Always glad to help...
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It is very common for the P waves in Atrial Tachycardia to be:
◦ irregular.
◦ sawtooth.
◦ flat.
◦ hidden in the T wave.
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hidden in the T wave.
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The rhythm in which the atrial waves are seen as a sawtooth pattern is called:
◦ Premature Atrial Complex.
◦ Atrial Fibrillation.
◦ Atrial Tachycardia.
◦ Atrial Flutter.
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Atrial Flutter.
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Thank you!
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Always glad to help...
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In the rhythm called "Atrial Flutter," the atrial rate is usually in the range of ________ bpm.
◦ 200-240
◦ 100-130
◦ 250-350
◦ 60-100
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250-350
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The rhythm in which ALL atrial activity is depicted as chaotic undulations of the baseline is called:
◦ Atrial Tachycardia.
◦ Atrial Flutter.
◦ Sinus Tachycardia.
◦ Atrial Fibrillation.
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Atrial Fibrillation.
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In Atrial Fibrillation, the rhythm is:
◦ normal.
◦ grossly irregular with no pattern.
◦ irregular in a repeating pattern.
◦ very reliably regular.
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grossly irregular with no pattern.
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The QRS in Atrial Fibrillation should be ________ sec.
◦ less than 0.12
◦ 0.12-0.16
◦ greater than 0.20
◦ 0.16-0.20
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less than 0.12
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Thanks
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Welcome :)
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The atrial rate in Atrial Fibrillation is ________ bpm.
◦ 200-250
◦ less than 200
◦ 250-350
◦ greater than 350
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greater than 350
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Atrial Fibrillation has:
◦ wide QRS complexes.
◦ no discernible P waves.
◦ normal P waves.
◦ regular R-R intervals.
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no discernible P waves.
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Thank you!
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Always glad to help...
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When you encounter a rhythm that is irregular with no mappable P waves, you should suspect:
◦ Wandering Pacemaker.
◦ Atrial Tachycardia.
◦ Atrial Fibrillation.
◦ Atrial Flutter.
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Atrial Fibrillation.
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In Atrial Fibrillation, when the ventricular rate is over 100 bpm, it is said to be:
◦ enhanced.
◦ wandering.
◦ uncontrolled.
◦ runaway.
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uncontrolled.
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Thanks
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Welcome :)
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In Wandering Pacemaker, the heart's pacemaker site shifts between:
◦ SA node, atria, and AV node.
◦ atria and ventricles.
◦ AV node and ventricles.
◦ SA node, atria, and ventricles.
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SA node, atria, and AV node.
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A Premature Atrial Complex is:
◦ a series of complexes.
◦ a pattern of ectopic beats.
◦ a single ectopic beat.
◦ an entire rhythm.
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a single ectopic beat.
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Thank you!
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Always glad to help...
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The QRS complex in all atrial rhythms is expected to be:
◦ distorted by P waves.
◦ normal.
◦ inverted.
◦ earlier than usual.
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normal.
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The ventricular rate for PACs is defined as:
◦ depends on underlying rhythm.
◦ 60-100 bpm.
◦ greater than 100 bpm.
◦ less than 10 bpm.
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depends on underlying rhythm.
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Thanks
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Welcome :)
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In a junctional rhythm, the pacemaking impulses originate in the:
◦ SA node.
◦ atrial junction.
◦ bundle branches.
◦ AV junction.
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AV junction.
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The mechanism in which the atria are depolarized with a backward flow of electricity is called ________ conduction.
◦ junctional
◦ retrograde
◦ negative
◦ backward
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retrograde
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TY
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You're welcome
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In Lead II, the junctional impulse that depolarizes the atria is traveling away from the positive electrode, thus producing a P wave that is:
◦ biphasic.
◦ inverted.
◦ inconsistent.
◦ flat.
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inverted.
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A Premature Junctional Complex is a:
◦ regular arrhythmia.
◦ pattern of grouped beating.
◦ tachycardia.
◦ single ectopic beat.
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single ectopic beat.
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Thanks
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Welcome :)
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The rate for Junctional Escape Rhythm is ________ bpm.
◦ 40-60
◦ 100-120
◦ 20-40
◦ 60-100
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40-60
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In a Junctional Escape Rhythm, the QRS complex is ________ sec.
◦ greater than 0.20
◦ 0.16-0.20
◦ 0.12-0.16
◦ less than 0.12
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less than 0.12
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Excellent
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Great! Please up vote :D
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The rate for Junctional Tachycardia is ________ bpm.
◦ 100-120
◦ 100-180
◦ 40-60
◦ 60-100
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100-180
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The rate for an Accelerated Junctional Rhythm is ________ bpm.
◦ 60-100
◦ 100-120
◦ 100-180
◦ 40-60
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60-100
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Thank you!
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Always glad to help...
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Which of the following is NOT true about Junctional Tachycardia?
◦ It is a very rapid rhythm.
◦ It has inverted P waves.
◦ It has a narrow QRS.
◦ It is irregular in a pattern of grouped beating.
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It is irregular in a pattern of grouped beating.
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In junctional rhythms, the P wave will always be:
◦ biphasic.
◦ missing.
◦ inverted.
◦ in front of the QRS.
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inverted.
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TY
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You're welcome
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A basic rule of electricity is that current flowing toward a positive electrode (or away from a negative electrode) produces a deflection that is:
◦ retrograde.
◦ flat.
◦ strong.
◦ upright.
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upright.
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Which of the following is NOT true about the P wave in all junctional rhythms?
◦ It can fall before or after the QRS.
◦ It will be inverted in Lead II.
◦ It can be hidden in the QRS.
◦ It is unrelated to the QRS.
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It is unrelated to the QRS.
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Thanks
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Welcome :)
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Which of the following terms does NOT apply to Premature Junctional Complex?
◦ Ectopic
◦ Irritability
◦ Retrograde conduction
◦ Suppression
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Suppression
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The normal inherent rate of the AV junction is:
◦ 60-100 bpm.
◦ 40-60 bpm.
◦ 20-40 bpm.
◦ over 100 bpm.
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40-60 bpm.
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TY
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You're welcome
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Which of the following arrhythmias is NOT in the category called Supraventricular Tachycardia?
◦ Junctional Tachycardia
◦ Sinus Tachycardia
◦ Accelerated Junctional Rhythm
◦ Atrial Flutter
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Accelerated Junctional Rhythm
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When a rhythm is regular, with narrow QRS complexes, but firing at a rate so fast that you can't distinguish the P waves to identify it more accurately, you can call the rhythm:
◦ supraventricular tachycardia.
◦ rapid ventricular response.
◦ tachycardia of unknown origin.
◦ unidentifiable tachyarrhythmia.
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supraventricular tachycardia.
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Excellent
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First Degree Heart Block is caused by:
◦ intermittent conduction through the ventricles.
◦ a complete block in the ventricles.
◦ slow conduction through the AV node.
◦ a block at the SA node.
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slow conduction through the AV node.
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Second Degree Heart Block is caused by:
◦ intermittent AV conduction.
◦ SA node failure.
◦ resistance in ventricles.
◦ loss of failsafe mechanism.
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intermittent AV conduction.
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Thanks
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Welcome :)
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Third Degree Heart Block is also considered:
◦ Complete Heart Block.
◦ intermittent block.
◦ bundle branch block.
◦ SA node block.
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Complete Heart Block.