Exam (elaborations)
NR 341 Exam #1: Questions & Correct Solutions (Pass!)
- Course
- Institution
NR 341 Exam #1: Questions & Correct Solutions (Pass!)
[Show more]
Content preview
NR 341 Exam #1: Questions & Correct Solutions (Pass!)pH levels Right Ans - 7.35-7.45
PaCO2 normal range Right Ans - 45-35
PaHCO3 normal range Right Ans - 22-26
PaO2 normal range Right Ans - 80-100
Uncompensated Right Ans - normal CO2 or HCO3
Fully compensated Right Ans - pH normal and both CO2 and HCO3 are
abnormal
Causes of Respiratory acidosis Right Ans - pneumonia, trauma
Tx of Respiratory Acidosis Right Ans - vigorous pulmonary toilet, ABX,
diuretics, mechanical ventilation
Causes of metabolic acidosis Right Ans - renal failure, ASA overdose,
ketoacidosis
Causes of respiratory alkalosis Right Ans - pain, fever, hyperventilation
Causes of metabolic alkalosis Right Ans - vomiting, diarrhea, prolonged
diuretics
-tx: K+ replacement, etc.
EKG: tiny box Right Ans - 0.04
EKG: big box Right Ans - 0.20
Big box method Right Ans - measure the R-R interval, count the number of
big boxes between & divide into 300
-can only do when regular strip
R on T phenomenon Right Ans - -leads to lethal dysrythmias
-PVC lands on relative refractory period
, 3 second strip Right Ans - R x 20
P wave Right Ans - atrial depolarization (contraction)
PR interval Right Ans - -0.12-0.20
-3-5 small boxes
Prolonged PR interval Right Ans - 1st degree AV block
QRS Right Ans - -ventricular depolarization
-0.06-0.10
-narrow = good
-wide = deceases perfusion to ventricles
QT interval Right Ans - -total ventricular activity
-0.33-0.44
- if over 0.50 = concerning from increased risk of going into cardiac
dysrhythmia
Meds that prolong QT Right Ans - haloperidol, zofran, anti-dysrhythmics
(amiodarone)
Absolute Refractory period Right Ans - -first half of T wave
-not enough repolarization so no stimulus can happen
Relative Refractory Period Right Ans - -second half of T wave
-enough cells have repolarized so response can happen
-R ot T
PVC's Causes Right Ans - -electrolyte imbalances
-ischemia
-hypoxia
-stimulants
-end stage heart failure
-medications
normal sinus rhythm (NSR) Right Ans - Rate: 60-100
Regular
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 LeCrae. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for $11.99. You're not tied to anything after your purchase.
Can Stuvia be trusted?
4.6 stars on Google & Trustpilot (+1000 reviews)
71498 documents were sold in the last 30 days
Founded in 2010, the go-to place to buy study notes for 14 years now