Exam (elaborations)
NUR 408 Exam 1 questions with correct answer2
- Course
- NURS 408
- Institution
- Maryville College
NUR 408 Exam 1 questions with correct answer2
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NUR 408 Exam 1 questions with correct answersDescribe 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
HDL contains mainly _______ with 20% cholesterol.
LDL contains mainly _______. Correct Answer-protein
cholesterol
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 hypocalcemia: Correct Answer-ventricular dysryhthmias
prolonged QT interval
cardiac arrest
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
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