Stop exercise immediately with all of the following except:
Responda
Ventricular tachycardia
Second degree AV block Type 2
Atrial fibrillation
Ventricular fibrillation
Questão 2
Questão
Primary blood supply to the AV node and SA node:
Responda
Right coronary artery
Left coronary artery
Circumflex artery
Left anterior descending artery
Questão 3
Questão
All the following are correct inherent beats except:
Responda
SA node at 100-110 bpm
SA node at 60-80 bpm
AV node at 40-60 bpm
Bundle of His at 20-40 bpm
Questão 4
Questão
What is the correct order in which heart sounds are heard?
Responda
S1, S2, S3, S4
S4, S1, S2, S3
S1, S4, S2, S3
S3, S1, S2, S4
Questão 5
Questão
Which heart sound may disappear when a patient sits up or stands and is considered abnormal in adults over 40 y/o?
Responda
S1
S4
S3
S2
Questão 6
Questão
All of the following cause splits except:
Responda
Bundle branch block
Ventral septal defect
Irritable foci
Valve dysfunction or blood flow alterations
Questão 7
Questão
You are listening to a 6 y/o female heart beat and notice the rate increases with inspiration and decreases with expiration. She has no other s/s. What do you do?
Responda
Nothing, this can be a normal finding for this age
Administer nitroglycerin tablets to the patient
Immediately transport the patient to the ER
Stop treatment and reschedule for another day
Questão 8
Questão
A patient’s ECG shows a PR interval < 0.12 and a regular QRS rate > 100. The patient presents with a rapid and regular pulse and decreased cardiac output. This patient has what type of arrhythmia?
Responda
Wandering atrial pacemaker
Atrial premature beat
Atrial tachycardia
Atrial flutter
Questão 9
Questão
Individuals with atrial fibrillation are at increased risk of stroke because:
Responda
There is less blood supply to the brain
The heart is weaker
The vibrations inhibit vitamin K binding for the coagulation cascade
There is less atrial kick leading to blood being left behind in the atria to form a clot
Questão 10
Questão
Find the true statement:
Responda
Multifocal premature ventricular contractions look the same as bigeminy and come from the same spot
Ventricular premature contraction (> 3 in a row), ventricular tachycardia, ventricular fibrillation, asystole
Questão 13
Questão
Fixed P-R interval with a dropped QRS every third beat, may drop several QRS waves in a row, typically fixed with a pacemaker. Identify the arrhythmia:
Responda
1st degree AV block
2nd degree AV block type 2
2nd degree AV block type 1
Sinus block (aka “skipped beat”)
Questão 14
Questão
ECG presents as regular P and QRS waves that appear out of sync with each other. s/s include slow HR (< 60 bpm), drop in CO, and possible ventricular fibrillation. What arrhythmia may proceed this type of block?
Responda
2nd degree AV block type 2
2nd degree AV block type 1
1st degree AV block
Left bundle branch block
Questão 15
Questão
You are seeing a 65 y/o male. Upon reading the ECG you notice he has a widened Q wave and an elevated ST wave on leads V1 and V2. What do you do?
Responda
Ask the patient if he has had any ischemic heart attacks recently
Do not perform treatment and reschedule for another day
Do nothing and treat him like any other patient
Verify with nursing or the doctor to see if they are aware that this patient has had an MI
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