NUR 330 Med Surg 1 Final Exam Questions and Correct Answers
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Course
NUR 330
Institution
NUR 330
Left-sided heart failure left ventricle gets oxygen rich blood from lungs, then then is supposed to pump it out the rest of the body
Causes: HTN, CAD, valvular disease
Systolic LHF: heart cant contract effective;y Diastolic LHF: ventricles cant relax and fill during diastole
Symptoms: respirator...
NUR 330 Med Surg 1 Final Exam
Questions and Correct Answers
Left-sided heart failure ✅left ventricle gets oxygen rich blood from lungs, then then is
supposed to pump it out the rest of the body
Causes: HTN, CAD, valvular disease
Systolic LHF: heart cant contract effective;y
Diastolic LHF: ventricles cant relax and fill during diastole
Symptoms: respiratory symptoms, dyspnea, oliguria and nocturia, crackles at base,
frothy sputum is late sign
Pulmonary edema: feels like they are drowning on the inside. Intubate and vent so they
can breathe.
Right-sided heart failure ✅"cor pulmonale", the right ventricle has the oxygen depleted
blood and is supposed to move it to the lungs. Instead, it pools back out through the
veins. This is usually a result of left sided HF.
Causes: pulmonary HTN
Symptoms: swelling in legs and ankles, peripheral and deep edema (anasarca), ascites,
JVD
*must be checked at least 3 times over a week or longer*
Renin-angiotensin/aldosterone system ✅-the liver makes angiotensinigen.
-the kidneys release enzyme renin> renin converts angiotensinigen into angiontensin I.
-ACE enzyme converts I into II in the lungs. II is what increases BP (either by increasing
SVR or secreting aldosterone).
-Angiontensin II is the most powerful vasoconstrictor
Types of HTN ✅primary: no cause (most common)
Secondary: caused by renal artery stenosis (can put stent in artery to hold it open)
Metabolic syndrome ✅1. Diabetes mellitus
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