Exam (elaborations)
NURS 3210 CARE PROVIDER TEST 2 questions with complete solutions.
- Course
- Institution
NURS 3210 CARE PROVIDER TEST 2 questions with complete solutions.
[Show more]
Content preview
NURS 3210 CARE PROVIDER TEST 2 questions with complete solutionsheart Correct Answer--moves blood throughout the body, removing wastes and nourishing cells
-deficits affect all tissues -changes in rate, output, or rhythm affect all human functions -10% of blood supply is in the heart at all times
pulmonary circulation Correct Answer-carries blood to lungs where CO2 released and O2 absorbed
systemic circulation Correct Answer-O2 blood and nutrients to all body tissues
cardiac circulation Correct Answer-pulmonary vein --> R. atrium --> tricuspid valve --> R. ventricle --> pulmonary artery --> lungs --> pulmonary vein --> left atrium --> bicuspid --> left ventricle --> aorta -->body
cardiac output Correct Answer-total volume of blood ejected from the heart each minute
stroke volume Correct Answer-quantity of blood ejected with each heart beat normal: 60-135 mL/beat
heart rate Correct Answer-number of cardiac cycles per minute ejection fraction Correct Answer-how much blood the left ventricle pumps out with each contraction. 55-65% is normal for ejection fraction. Heart failure ejection fraction is 40% or less.
cardiac cycle and cardiac output Correct Answer--CO=SV x HR -ischemia: a deficiency of blood due to constriction or obstruction of a vessel
sinoatrial node Correct Answer-hearts natural pacemaker. tells heart when to contract
left main artery Correct Answer-left coronary artery arteries perfused during diastole
--> rest of body perfused during systole
preload Correct Answer-the amount of cardiac muscle fiber tension that exists at the end of diastole just prior to the contraction of the ventricles. ^ volume --> ^ stretch ---> ^ force of contraction
myocardial Correct Answer-middle, thickest
endocardium Correct Answer-inner, muscular
pericardium Correct Answer-fibrous connective tissue that protects heart
pericardial sac Correct Answer-helps protect heart (10 ml)
renal failure in r/t heart Correct Answer-^ preload ^ CO dehydration r/t heart Correct Answer-decreased preload and CO
heart failure Correct Answer-^ preload and decreased CO
afterload Correct Answer-the force the ventricles must overcome to eject their volume (get blood into systemic circulation)
after load affected by Correct Answer--size of ventricle -wall tension -BP
systolic Correct Answer-peak pressure
diastolic Correct Answer-residual pressure during ventricular relaxation
characteristics of normal heart function Correct Answer-- rate (60-100)
- blood pressure (force of blood against blood vessels, we like 120/80)
-skin temperature (warm)
-skin color (pink. mucous membranes: dark and moist)
amount of urine Correct Answer-determines heart function
factors affecting normal heart function Correct Answer--age
-activity and exercise (more conditioned the heart, the slower the HR)
-gender -body position (elderly prone to orthostatic hypotension)
-coping and stress tolerance -lifestyle and habits (smoking, obesity)
conduction system Correct Answer-is more prone to dysfunction as we age --> pacemakers due to dysrhythmias
BP decreases with age bc Correct Answer-of decrease in elasticity
altered heart function Correct Answer--myocardial perfusion (clogged up: atherosclerosis)
-conduction defects -structural: valve dysfunction -overworked -inflammation
myocardial perfusion abnormalities: muscle damage Correct Answer--coronary artery disease (atherosclerosis- focal deposit of cholesterol and lipids)
-characterized by atheromas or plaques RISK FACTORS: NON MODIFIABLE: gender, age, race, genetics MODIFIABLE: obesity, HTN, diabetes, hyperlipidemia
LIFE STYLE: smoking-nicotine causes arterial constriction, limits perfusion
perfusion: atherosclerosis Correct Answer--progressive disease characterized by atheromas or plaques -theory: begins with a clot on the arterial wall as a result an injury to the wall
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 Classroom. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for $15.99. You're not tied to anything after your purchase.
Can Stuvia be trusted?
4.6 stars on Google & Trustpilot (+1000 reviews)
75323 documents were sold in the last 30 days
Founded in 2010, the go-to place to buy study notes for 14 years now