Cardiovascular Labeling 1

What separates the parietal and visceral pericardium?

• epicardium      

•        pericardial cavity      

•      myocardium          

•      fibrous pericardium        

Which of the following is the innermost layer of the heart?

• parietal layer      

•      endocardium        

•      epicardium        

•        visceral layer

Which layer of the heart wall contracts and is composed primarily of cardiac muscle tissue?

• myocardium        

•        endocardium      

•      visceral layer of the serous pericardium      

•        epicardium      

Which of these vessels returns blood to the left atrium of the heart?

• pulmonary trunk        

•      coronary sinus      

•        pulmonary veins    

•        superior vena cava

Which of these muscles is particularly associated with anchoring the right and left atrioventricular valves?

• trabeculae carneae      

•      myocardium      

•        papillary muscles    

•    pectinate muscles

The tricuspid valve prevents backflow of blood from the right ventricle into the __________.

• pulmonary trunk      

•        left ventricle      

•  left atrium    

•    right atrium

Tags

NGSS.MS-LS1-3

Into which chamber of the heart do the superior vena cava, inferior vena cava, and coronary sinus return oxygen-poor blood?

• right ventricle

•        left ventricle      

•  right atrium

•        left atrium        

Which chamber of the heart sends oxygen-rich blood directly to the systemic circuit via the aorta?

• right atrium

•        left atrium        

• right ventricle

•        left ventricle

Failure in a particular structure of the heart tends to cause a backup of blood in the lungs, known as pulmonary congestive heart failure. Failure of which structure of the heart would lead to such a backup?

• pulmonary semilunar valve

•        left ventricle      

•  right atrium    

•      right ventricle    

Tags

NGSS.HS-LS1-2

Which of the following is a branch of the right coronary artery?

• circumflex artery      

•  posterior interventricular artery    

•    anterior interventricular artery    

•    coronary sinus