17.1
Which vessel is guarded by a semilunar valve at its base?
Pulmonary Trunk
Which of the following functions is not associated with the heart?
To increase the rate at which erythrocytes are formed
Which of the following structures is associated with the atria?
Pectinate muscles
Where does the left ventricle send blood?
Aorta
The mitral valve is the clinical name for the ______________.
Bicuspid Valve
Which cardiac chamber has the thickest wall?
Left Ventricle
Which of the following statements best describes how coronary artery anastomoses might help a patient with coronary artery disease?
They provide alternate routes of blood flow when a vessel is blocked.
Which coronary artery supplies the left atrium and parts of the left ventricle?
Circumflex artery
Which opening in the interatrial septum of the fetal heart connects the right and left atrium?
Fossa Ovalis
What are the three layers of the heart wall from superficial to deep?
Epicardium, myocardium, and endocardium
What structure attaches the cusps of the atrioventricular valves to the papillary muscles?
Chordae tendineae
What is the most superficial layer of the pericardial sac?
Fibrous pericardium
Which of the following blood vessels are associated with the coronary sinus?
Great Cardiac
Blood in the right atrium should travel next past the ________.
tricuspid valve and into the right ventricle
Which of the following is not a risk factor for coronary artery disease or myocardial ischemia?
Low Blood Pressure
What might happen if the papillary muscles and/or chordae tendineae stopped functioning?
Blood would leak back into the atria from the ventricles.
Which of the following statements best describes the apex of the heart?
Inferior tip of the heart and points toward the left side
The right side of the heart receives ________.
deoxygenated blood from the systemic circuit
Oxygenated blood is delivered to the left atrium through the ____________.
Pulmonary Veins
What is the function of the valves in the heart?
Prevent backflow of blood through the heart
Which of the following blood vessels is not a great blood vessel of the heart?
Pulmonary Arteries
What blood vessels do ventricles always pump blood into?
Arteries
Which of the following vessels carries oxygenated blood?
Pulmonary Vein
Both the left and right atria receive blood from ________.
Veins
What condition results from excess fluid in the pericardial cavity compressing the heart and reducing the capacity of the ventricles to fill with blood?
Cardiac tamponade