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Cardio Questions and Answers (Q&A)

John Smith
Answered: Apr 02, 2020
The 3 types of blood circulation are as follows: 1. The systemic circulation: It takes oxygenated blood from the left ventricle through the aorta to all parts of the body, including some lu...Read More

3 Answers

1056 views
John Smith
Answered: Apr 02, 2020
Acetylcholine (ach)-a negative inotropic effect is one that decreases myocardial contractility. contractility is the ability to develop tension at a fixed muscle length. factors that...Read More

1 Answer

309 views
John Smith
Answered: Apr 02, 2020
Total peripheral resistance (tpr)-in anticipation of exercise, the central command increases sympathetic outflow to the heart and blood vessels, causing an increase in heart rate and...Read More

2 Answers

269 views
John Smith
Answered: Apr 02, 2020
Increased contractility-when a person moves to a standing position, blood pools in the leg veins, causing decreased venous return to the heart, decreased cardiac output, and decreased arterial...Read More

2 Answers

265 views
John Smith
Answered: Apr 02, 2020
Left-to-right ventricular shunt-in a left-to-right ventricular shunt, a defect in the ventricular septum allows blood to flow from the left ventricle to the right ventricle instead of being ejected...Read More

2 Answers

252 views
John Smith
Answered: Apr 02, 2020
Atrioventricular (av) node-the absent p wave indicates that the atrium is not depolarizing and, therefore, the pacemaker cannot be in the sinoatrial (sa) node. because the qrs and t waves are...Read More

2 Answers

250 views
John Smith
Answered: Apr 02, 2020
Brain-blood flow to the brain is autoregulated by the pco2. if metabolism increases (or arterial pressure decreases), the pco2 will increase and cause cerebral vasodilation. blood flow to the heart...Read More

1 Answer

237 views
John Smith
Answered: Apr 02, 2020
Decreased venous return-diarrhea causes a loss of extracellular fluid volume, which produces a decrease in arterial pressure. the decrease in arterial pressure activates the baroreceptor mechanism,...Read More

1 Answer

231 views
John Smith
Answered: Apr 02, 2020
A suppressed response of the baroreceptor mechanism -orthostatic hypotension is a decrease in arterial pressure that occurs when a person moves from a supine to a standing position. a person with a...Read More

1 Answer

221 views
John Smith
Answered: Apr 02, 2020
Left renal artery stenosis-in this patient, hypertension is most likely caused by left renal artery stenosis, which led to increased renin secretion by the left kidney. the increased plasma renin...Read More

1 Answer

214 views
John Smith
Answered: Apr 02, 2020
Increased size of the heart-myocardial 02 consumption is determined by the amount of tension developed by the heart. it increases when there are increases in aortic pressure (increased...Read More

1 Answer

209 views
Chachelly
Answered: Apr 02, 2020
Decrease to 1/16

If the radius of the artery decreased by 50% (1/2), then resistance would increase by 2(4th) , or 16 (R = 8nl /(pi)r4). Because blood flow is inversely proportional to...Read More

1 Answer

208 views
Christian Jackson, Content Developer
Answered: Jan 04, 2019
The correct answer here would be arrived at by dividing the total oxygen consumption by the arteriovenous oxygen gradient, according to what I could find on the internet about this kind of...Read More

2 Answers

206 views
John Smith
Answered: Apr 02, 2020
1 risk factor and LDL greater than 190

1 Answer

206 views
Musclern
Answered: Apr 02, 2020
Microcytic, hypochronic

1 Answer

205 views

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