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Hesi Med Surg III Final Exam Questions and Answers (2023/2024) (Verified Answers)
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Hesi Med Surg III Final Exam1.what is the amount of blood pumped by the heart each minute✔✔ CO
2.all hemodynamic measurements are affected by what?✔✔ CO
3.what is normal cardiac output?✔✔ 4-8 L
4.what is a more accurate measurement of CO by taking BSA into account?-
✔✔ cardiac index
5.what is normal cardiac index?✔✔ 2.4-4
6.what compensates for changes in CP by speeding up or slowing down✔✔ -
heart rate
7.what is the amount of blood ejected by each heartbeat?✔✔ stroke volume
8.what is the presure exerted on the ventricular walls by the volume of blood filling the ventricle at the end of diastole? ✔✔ preload .if the preload is high, what do we see?✔✔ too much blood volume, fluid
overload HF
renal failure
10.if preload is low, what do we see?✔✔ dehydration from diuretic
11.what is the resistance to ventricular contraction to pump the blod out?-
✔✔ afterload
12.what is the pressure that the heart must overcome such as in MAP?✔✔
af- terload
13.if we have a high afterload, what do we see?✔✔ aortic stenosis vasoconstriction
14.what is property of myocardial muscle fivers that allows them to short- en✔✔ contractility
15.how do we measure CO?✔✔ HR x Stroke volume
16.what are minimally invasive lines for cardiac?✔✔ central venous access arterial access
17.what are invasive lines for cardiac?✔✔ pulmonary artery catheter (swan ganz) .where is the central line normally placed?✔✔ subclavian
vein jugular vein
19.why is central line good?✔✔ good way to give
meds give fluids
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