a&p Questions and Correct Answers/ Latest Update / Already Graded

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a&p Questions and Correct Answers/
Latest Update / Already Graded
The superior chambers of the heart are called _____________ and the

inferior chambers are the _____________.


Ans: Atria; Ventricles




The right atrium receives blood from the systemic circuit and passes it

to the _______________.


Ans: Right ventricle




The heart is surrounded by the _____________ cavity.


Ans: Pericardial




The left border of the heart is formed by the _______________ and a

small portion of the _____________.


Ans: Left ventricle; Left atrium

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The great vessels of the heart are located at the _____________ of the

heart.


Ans: Base




The ____________ circuit carries blood to and from all parts of the

body except the lungs.


Ans: Systemic




______________ are blood vessels that usually return blood to the

heart.


Ans: Veins




The muscle layer of the heart is the ___________.


Ans: Myocardium




The heart lies in the


A) pleural cavity.

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B) peritoneal cavity.


C) abdominopelvic cavity.


D) mediastinum.


E) none of the above


Ans: Mediastinum




The wall between the atria is the


A) ventricle.


B) coronary sinus.


C) coronary sulcus.


D) auricle.


E) interatrial septum.


Ans: Interatrial septum




The loose-fitting sac around the heart is lined by the