HEART ANATOMY QUESTIONS AND ANSWERS
The wall between the atria is the - (ANSWER)interatrial septum
The loose fitting sac around the heart is lined by the - (ANSWER)parietal pericardium
The superior chambers of the heart are ___; the inferior chambers are the ____ - (ANSWER)atria,
ventricles
The functions of the venae cavae include which of the following? - (ANSWER)returning blood to the atria
Blood returning from the systemic circulation enters the - (ANSWER)right atrium
The right ventricle pumps blood to the - (ANSWER)lungs
Blood is carried away from the heart by - (ANSWER)arteries
The left atrium receives blood from the - (ANSWER)pulmonary veins
Blood vessels in the cardiovascular system are subdivided into the - (ANSWER)systemic and pulmonary
circuits
The semi-lunar valve of the left side of the heart prevents backflow from the - (ANSWER)aorta
The tricuspid valve is located - (ANSWER)between the right atrium and right ventricle
The average pressure in the right ventricle is ____ the pressure in the left ventricle -
(ANSWER)considerably lower than
The function of an atrium is to - (ANSWER)collect blood
, HEART ANATOMY QUESTIONS AND ANSWERS
The left and right coronary arteries carry blood to the - (ANSWER)heart
The pulmonary arteries carry blood to the - (ANSWER)lungs
The three layers of the heart wall are the - (ANSWER)epicardium, myocardium, and endocardium
What is the correct order for the flow of blood entering from the systemic circulation? - (ANSWER)Vena
cavae, right atrium, right ventricle, pulmonary trunk, pulmonary veins, left atrium, left ventricle, aorta
Atrioventricular valves prevent backflow into the - (ANSWER)atria
The semilunar valves prevent backflow into the - (ANSWER)ventricles
Blood from the systemic circulation returns to the heart by way of the - (ANSWER)venae cavae
The maximum rate of contraction in normal cardiac muscle fibers is ___ per minute - (ANSWER)200
Which of the following us true reguarding cardiac muscles? - (ANSWER)neither summation nor tetany
can occur
Select the correct order of stimulation in the nodal pathways - (ANSWER)SA node, AV node, AV bundle,
Purkinje fibers
The QRS wave on an ECG tracing represents - (ANSWER)ventricular depolarization
The second heart sound is heard when - (ANSWER)the semilunar valves close
The wall between the atria is the - (ANSWER)interatrial septum
The loose fitting sac around the heart is lined by the - (ANSWER)parietal pericardium
The superior chambers of the heart are ___; the inferior chambers are the ____ - (ANSWER)atria,
ventricles
The functions of the venae cavae include which of the following? - (ANSWER)returning blood to the atria
Blood returning from the systemic circulation enters the - (ANSWER)right atrium
The right ventricle pumps blood to the - (ANSWER)lungs
Blood is carried away from the heart by - (ANSWER)arteries
The left atrium receives blood from the - (ANSWER)pulmonary veins
Blood vessels in the cardiovascular system are subdivided into the - (ANSWER)systemic and pulmonary
circuits
The semi-lunar valve of the left side of the heart prevents backflow from the - (ANSWER)aorta
The tricuspid valve is located - (ANSWER)between the right atrium and right ventricle
The average pressure in the right ventricle is ____ the pressure in the left ventricle -
(ANSWER)considerably lower than
The function of an atrium is to - (ANSWER)collect blood
, HEART ANATOMY QUESTIONS AND ANSWERS
The left and right coronary arteries carry blood to the - (ANSWER)heart
The pulmonary arteries carry blood to the - (ANSWER)lungs
The three layers of the heart wall are the - (ANSWER)epicardium, myocardium, and endocardium
What is the correct order for the flow of blood entering from the systemic circulation? - (ANSWER)Vena
cavae, right atrium, right ventricle, pulmonary trunk, pulmonary veins, left atrium, left ventricle, aorta
Atrioventricular valves prevent backflow into the - (ANSWER)atria
The semilunar valves prevent backflow into the - (ANSWER)ventricles
Blood from the systemic circulation returns to the heart by way of the - (ANSWER)venae cavae
The maximum rate of contraction in normal cardiac muscle fibers is ___ per minute - (ANSWER)200
Which of the following us true reguarding cardiac muscles? - (ANSWER)neither summation nor tetany
can occur
Select the correct order of stimulation in the nodal pathways - (ANSWER)SA node, AV node, AV bundle,
Purkinje fibers
The QRS wave on an ECG tracing represents - (ANSWER)ventricular depolarization
The second heart sound is heard when - (ANSWER)the semilunar valves close
