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Afterload: Quiz


Question 1: Disease processes that increase the left ventricular afterload include increased ________ and aortic valve disease.
Renin-angiotensin systemBlood pressureVasodilationCirculatory system

Question 2: ________ increases afterload because a percentage of the blood that is ejected forward regurgitates back through the diseased aortic valve.
Aortic insufficiencyMitral regurgitationMitral stenosisAortic valve stenosis

Question 3: Precise mathematical labeling of Afterload and Preload is a further challenge since both maximum measurements (volume/tension) occur simultaneously in the late ________ phase of Systole.
TimeIslamic calendarGeologic time scaleGregorian calendar

Question 4: In cardiac physiology, afterload is used to measure the tension produced by a chamber of the ________ in order to contract.
Circulatory systemTorsoLymphatic systemHeart

Question 5: Everything else held equal, as afterload increases, ________ decreases.
Circulatory systemCardiac outputBlood pressureFetal circulation

Question 6: Afterload can also be described as the pressure that the chamber of the heart has to generate in order to eject blood out of the chamber, and thus is a consequence of the ________, since the pressure in the ventricle must be greater than the systemic pressure in order to open the aortic valve.
VasodilationCirculatory systemRenin-angiotensin systemBlood pressure

Question 7: ________ increases afterload because the left ventricle has to overcome the pressure gradient caused by the stenotic aortic valve in addition to the blood pressure in order to eject blood into the aorta.
Aortic valve stenosisAortic insufficiencyMitral regurgitationMitral stenosis

Question 8: Pulmonary ________ (PH) is increased blood pressure within the right heart leading to the lungs.
HypertensionAortic dissectionAtherosclerosisEssential hypertension

Question 9: Systemic ________ (HTN) (Increased blood pressure) increases the left ventricular afterload because the left ventricle has to work harder to eject blood into the aorta.
AtherosclerosisAortic dissectionEssential hypertensionHypertension


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