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April Iris De Guzman

Physiology Week 10: The Heart and Blood

QuestionAnswer
The heart has its own special covering, a loose-fitting inextensible sac called the pericardium
A graphic record of the heart’s electrical activity is an ECG
Blood flow from the heart through blood vessels to all parts of the body and back to the heart is referred to as _____ circulation. systemic
True or False: Cardiac output is determined by heart rate and blood pressure. False
_______ is used to determine the volume percentage of red blood cells in whole blood. Hematocrit
The physiological mechanism that dissolves clots is known as fibrinolysis
The term used to describe the collection of mechanisms that influence the circulation of blood is: hemodynamics
True or False: Aortic and Carotid Baroreceptors are the two baroreceptors that are located near the heart. True
The vagus is said to act as a “brake” on the heart. This situation is called vagal inhibition
True or False: The localized pressure gradient needed to maintain blood flow in a tissue is called systolic pressure. False
Created by: irisdeguzman
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