Echelon quiz questions with correct
answers
When the sympathetic nerve fibers are stimulated, the heart rate is ____________. -
Answer-elevated
Electrode location sites should be rotated _______________ or when the pt is sweaty
or has had a bath. - Answer-q24h
What method is used to calculate...
What part of the EKG reflects the refractory period? - Answer✔✔-The QRS to the
peak of the T wave
5 large EKG strip boxes totals how much time? - Answer✔✔-1 second
The PRI is considered abnormal or prolonged if it is - Answer✔✔->0.20 secs
What is the most common cause for an alarm sounding? - Answer✔✔-a loose lead
wire
Which lead is the most useful for routine monitoring and monitoring the sinus node? -
Answer✔✔-Lead II
Which lead is helpful in monitoring atrial rhythms and hemiblocks? - Answer✔✔-Lead
I
What is the normal measurement of a QRS complex? - Answer✔✔-0.04-0.10
What are EKG artifacts? - Answer✔✔-false cardiac waveforms
What is the first step in preparing a pt for an EKG? - Answer✔✔-reassuring the pt
and maintaining privacy
What are the factors that impact afterload? - Answer✔✔-arterial contractility,
pressure, and resistance
What is released when the parasympathetic nerve fibers are stimulated? -
Answer✔✔-acetylcholine
Which lead is helpful in assessing bundle branch defects and confirming pacemaker
wire placement? - Answer✔✔-MCL1
2/5
The benefits of buying summaries with Stuvia:
Guaranteed quality through customer reviews
Stuvia customers have reviewed more than 700,000 summaries. This how you know that you are buying the best documents.
Quick and easy check-out
You can quickly pay through credit card or Stuvia-credit for the summaries. There is no membership needed.
Focus on what matters
Your fellow students write the study notes themselves, which is why the documents are always reliable and up-to-date. This ensures you quickly get to the core!
Frequently asked questions
What do I get when I buy this document?
You get a PDF, available immediately after your purchase. The purchased document is accessible anytime, anywhere and indefinitely through your profile.
Satisfaction guarantee: how does it work?
Our satisfaction guarantee ensures that you always find a study document that suits you well. You fill out a form, and our customer service team takes care of the rest.
Who am I buying these notes from?
Stuvia is a marketplace, so you are not buying this document from us, but from seller EmillyCharlotte. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for $9.99. You're not tied to anything after your purchase.
