NUR 408 Exam 1 questions with correct answers
Describe feelings of helplessness Correct Answer-disorganization, fear,
anxiety
what is a defense mechanism that enables the patient to cope with
threatening circumstances Correct Answer-denial
What is troponin Correct Answer-it is myocardial muscle protein
released into the blood stream when there is injury to myocardial muscle
troponin T and I: Correct Answer-are not found in healthy people so any
rise in these values indicates cardiac necrosis or acute MI
what is significant about troponins T and I: Correct Answer-they have a
wide time frame so they are helpful for patients who present several
hours after chest pain
the appearance of CK indicates: Correct Answer-tissue necrosis or injury
to the brain, skeletal muscle, or myocardium
CK-MM is the predominate isoenzyme of: Correct Answer-skeletal
muscle
CK-MB is the predominate isoenzyme of: Correct Answer-myocardial
muscle
,CK-BB is the predominate isoenzyme of: Correct Answer-brain
when is the peak level for CK-MB after chest pain Correct Answer-24
hours
Elaborate on the CK-MB subforms (CK-MB1, CK-MB2) Correct
Answer-they can occur early as 2 hours after MI and remain elevated for
up to 12 hours after MI. They are very sensitive and specific to early
diagnostic markers of MI
What is the earliest marker detected for MI?
Where is it located? Correct Answer-myoglobin
in skeletal and cardiac muscle
Elevated lipid levels are considered a risk for ______? Correct Answer-
CAD
therapeutic level for cholesterol: Correct Answer-less than 200mg/dL
therapeutic levels for troponin T:
therapeutic levels for troponin I: Correct Answer-<0.1ng/mL
<0.03 ng/mL
therapeutic level for triglycerides: Correct Answer-40-160mg/dL for
men
,35-45mg/dL for women
Therapeutic levels for HDL (high density lipoproteins)
("good" cholesterol) Correct Answer-more than 45mg/dL for men
more than 55mg/dL for women
therapeutic level for LDL (low density lipoproteins) Correct Answer-
<130mg/dL
elevated LDL levels are positively related to_____ whereas elevated
HDL levels are negatively related and appear as protection from this.
Correct Answer-CAD
LDL pattern A is associated with _________ resistance.
LDL pattern B is associated with _________ resistance. Correct
Answer-non-insulin
insulin
Homocystein: elevated values may be an independent risk factor for the
development of _____. Correct Answer-CVD
, Problems with hypokalemia: Correct Answer-increased electrical
instability
ventricular dysrhythmias
increased risk for digitalis toxicity
problems with hyperkalemia: Correct Answer-slowed ventricular
conduction
peaked T waves on the ECG
contraction followed by asystole) (cardiac standstill
problems with hypercalcemia: Correct Answer-shortens QT interval and
causes AV block
digitalis hypersensitivity
cardiac arrest
erythrocyte count is ________ in heart diseases. Why? Correct Answer-
increased. to compensate for decreased available oxygen
leukocytes are _______ after an MI. Correct Answer-elevated
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 cracker. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for $17.49. You're not tied to anything after your purchase.