MATCHING -Mediastinum

question 14

Multiple Choice

MATCHING
-Mediastinum

• A)_____ in myocardial cells function as electrical connections and allow the cells to conduct electrical impulses very rapidly.
• B)Typically results when the heart's demand for oxygen exceeds its supply from the coronary circulation
• C)Specialized nerve tissue located in the internal carotid arteries and the aortic arch that detect changes in blood pressure
• D)The _____ septum separates the right and left atria.
• E)Electrolyte very important in cardiac muscle contraction.
• F)A negative _____ effect refers to a decrease in heart rate.
• G)Space between the lungs that contains the heart,great vessels,trachea,and esophagus,among other structures
• H)Pulmonary arteries and veins,aorta,superior and inferior vena cavae
• I)Term used to refer to distinct conditions caused by a similar sequence of pathologic events-a temporary or permanent blockage of a coronary artery
• J)Amount of blood flowing into the right atrium each minute from the systemic circulation
• K)Sensors in the internal carotid arteries and aortic arch that detect changes in the concentration of hydrogen ions (pH),oxygen,and carbon dioxide in the blood
• L)A buildup of excess blood or fluid in the pericardial space can cause cardiac _____.

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