Podcast
Questions and Answers
What is the shape of the heart described in the text?
What is the shape of the heart described in the text?
- Pyramidal (correct)
- Cuboidal
- Spherical
- Rectangular
Which surface of the heart is formed mainly by the right ventricle and apical part of the left ventricle?
Which surface of the heart is formed mainly by the right ventricle and apical part of the left ventricle?
- Sternocostal surface
- Apex
- Diaphragmatic surface (correct)
- Base
Which part of the heart is concealed by the ascending aorta and pulmonary trunk?
Which part of the heart is concealed by the ascending aorta and pulmonary trunk?
- Right atrium
- Left ventricle
- Left atrium
- Right ventricle (correct)
Which chamber of the heart is located on the diaphragmatic surface?
Which chamber of the heart is located on the diaphragmatic surface?
Which layer of the pericardium directly surrounds the heart?
Which layer of the pericardium directly surrounds the heart?
Which border of the heart is formed by the right atrium?
Which border of the heart is formed by the right atrium?
Where are the atrial surfaces of the heart cusps located?
Where are the atrial surfaces of the heart cusps located?
From where do sympathetic fibers that supply the heart arise?
From where do sympathetic fibers that supply the heart arise?
What is the main function of the intrinsic conduction system of the heart?
What is the main function of the intrinsic conduction system of the heart?
Where is the Sinoatrial (SA) node located?
Where is the Sinoatrial (SA) node located?
What is the role of Purkinje fibers in the heart?
What is the role of Purkinje fibers in the heart?
Which structure is responsible for slowing down heart rate by constricting coronary arteries?
Which structure is responsible for slowing down heart rate by constricting coronary arteries?
Where is the apex of the heart located?
Where is the apex of the heart located?
Why is the base of the heart called the base?
Why is the base of the heart called the base?
What structures separate the base of the heart from the vertebral column?
What structures separate the base of the heart from the vertebral column?
Which part of the heart is predominantly formed by the right atrium?
Which part of the heart is predominantly formed by the right atrium?
What structure lodges the right coronary artery in the heart?
What structure lodges the right coronary artery in the heart?
What separates the two ventricles of the heart?
What separates the two ventricles of the heart?
What structure connects the papillary muscle with the cuspid in the heart?
What structure connects the papillary muscle with the cuspid in the heart?
Why does the left ventricle have a thicker wall than the right ventricle?
Why does the left ventricle have a thicker wall than the right ventricle?
Which structure is located in the interventricular septum of the heart?
Which structure is located in the interventricular septum of the heart?
How can the sympathetic nervous system affect heart rate?
How can the sympathetic nervous system affect heart rate?
Which ventricle is typically more muscular and pumps blood to the entire body?
Which ventricle is typically more muscular and pumps blood to the entire body?
Which cardiac structure is responsible for preventing backflow of blood from the ventricles into the atria?
Which cardiac structure is responsible for preventing backflow of blood from the ventricles into the atria?
Which valve is surrounded by a fibrous ring that gives attachment to the cusps of the mitral valve?
Which valve is surrounded by a fibrous ring that gives attachment to the cusps of the mitral valve?
How many cusps does the aortic valve have?
How many cusps does the aortic valve have?
Which atrioventricular orifice is smaller, admitting only the tips of 2 fingers?
Which atrioventricular orifice is smaller, admitting only the tips of 2 fingers?
How many semilunar cusps does the pulmonary valve have?
How many semilunar cusps does the pulmonary valve have?
Which valve does not have chordae tendineae or papillary muscles attached to its cusps?
Which valve does not have chordae tendineae or papillary muscles attached to its cusps?
Which valve has an atrial surface of cusps that are smooth but ventricular surfaces attached to chordae tendinae?
Which valve has an atrial surface of cusps that are smooth but ventricular surfaces attached to chordae tendinae?
Which chamber of the heart is surrounded by a fibrous ring giving attachment to the tricuspid valve?
Which chamber of the heart is surrounded by a fibrous ring giving attachment to the tricuspid valve?
Which ventricle communicates with the pulmonary trunk through the pulmonary orifice?
Which ventricle communicates with the pulmonary trunk through the pulmonary orifice?
Which atrioventricular orifice lies anterior to the opening of the IVC?
Which atrioventricular orifice lies anterior to the opening of the IVC?
Which structure receives 4 veins without valves?
Which structure receives 4 veins without valves?
Which chamber of the heart has a wall that contains trabeculae carnae?
Which chamber of the heart has a wall that contains trabeculae carnae?
Which of the following statements about the intrinsic conduction system of the heart is correct?
Which of the following statements about the intrinsic conduction system of the heart is correct?
Which part of the heart becomes funnel-shaped before leading to the pulmonary trunk?
Which part of the heart becomes funnel-shaped before leading to the pulmonary trunk?
Where do parasympathetic fibers reach the heart from?
Where do parasympathetic fibers reach the heart from?
Which chamber of the heart forms the greater part of the base?
Which chamber of the heart forms the greater part of the base?
Which part of the heart is primarily formed by the right atrium?
Which part of the heart is primarily formed by the right atrium?
Which chamber of the heart sends blood to the aorta through the aortic orifice?
Which chamber of the heart sends blood to the aorta through the aortic orifice?
What is the role of sympathetic fibers in regulating heart rate?
What is the role of sympathetic fibers in regulating heart rate?
Where is the AV node located within the heart?
Where is the AV node located within the heart?
Which part of the heart has a thicker wall due to pumping blood to the entire body?
Which part of the heart has a thicker wall due to pumping blood to the entire body?
What nerve plexus surrounds the coronary arteries providing parasympathetic innervation to the heart?
What nerve plexus surrounds the coronary arteries providing parasympathetic innervation to the heart?
Which structure in the heart is known as the pacemaker?
Which structure in the heart is known as the pacemaker?
What differentiates the pericardium into an outer fibrous layer and an inner serous sac?
What differentiates the pericardium into an outer fibrous layer and an inner serous sac?
Which surface of the heart is concealed by the ascending aorta and pulmonary trunk?
Which surface of the heart is concealed by the ascending aorta and pulmonary trunk?
What forms the upper border of the heart?
What forms the upper border of the heart?
Which feature of the heart contributes to its somewhat pyramidal shape?
Which feature of the heart contributes to its somewhat pyramidal shape?
What primarily forms the lower border of the heart?
What primarily forms the lower border of the heart?
Which chamber of the heart is located on the sternocostal surface?
Which chamber of the heart is located on the sternocostal surface?
Which surface of the heart is mainly formed by the right atrium?
Which surface of the heart is mainly formed by the right atrium?
Where is the apex of the heart located?
Where is the apex of the heart located?
What structures form the right border of the heart?
What structures form the right border of the heart?
What structures separate the base of the heart from the vertebral column?
What structures separate the base of the heart from the vertebral column?
Which part of the heart does not rest on its base?
Which part of the heart does not rest on its base?
What forms mainly the ventricular part of the sterno-costal (anterior) surface of the heart?
What forms mainly the ventricular part of the sterno-costal (anterior) surface of the heart?
Which artery lodges in the anterior interventricular groove?
Which artery lodges in the anterior interventricular groove?
Which surface of the heart is predominantly formed by the right atrium?
Which surface of the heart is predominantly formed by the right atrium?
What structure separates the two ventricles of the heart?
What structure separates the two ventricles of the heart?
Which structure in the heart connects the papillary muscle with the cuspid?
Which structure in the heart connects the papillary muscle with the cuspid?
Why is the left ventricle wall thicker than the right ventricle wall?
Why is the left ventricle wall thicker than the right ventricle wall?
Where is Bachmann’s bundle located in the heart?
Where is Bachmann’s bundle located in the heart?
How does the sympathetic nervous system affect heart rate?
How does the sympathetic nervous system affect heart rate?
Which of the following structures lodges in the interventricular septum?
Which of the following structures lodges in the interventricular septum?
What is the function of the moderator band in the heart?
What is the function of the moderator band in the heart?
Where are the Trabeculae carneae found in the heart?
Where are the Trabeculae carneae found in the heart?
