CVS 105 exam 3 Questions and Answers Solved Correctly Latest Update 2025-2026
Location of the heart - Answers Thorax between the lungs in the inferior mediastinum
apex of the heart - Answers tip of the heart pointing down toward the 5th left intercostal space
base of heart - Answers top of the heart
Atria (recieving chambers) - Answers upper chambers of the heart
Ventricles (pumping blood) - Answers Lower chambers of the heart
AV valves - Answers tricuspid and mitral
semilunar valves - Answers pulmonary and aortic
S1 - Answers the first heart sound, heard when the atrioventricular (mitral and tricuspid) valves close
S2 - Answers the second heart sound, heard when the semilunar (aortic and pulmonic) valves close
Arteries - Answers Blood vessels that carry blood away from the heart
Veins - Answers Blood vessels that carry blood back to the heart
Capillaries - Answers Allows gas exchange
skeleton of the heart - Answers Insulates (separates) atria from ventricles
inter-atrial septum - Answers separates left atrium from right atrium
interventricular septum - Answers separates ventricles
systemic circulation - Answers circulation that supplies blood to all the body except to the lungs
pulmonary circulation - Answers flow of blood from the heart to the lungs and back to the heart
endocardium - Answers Inner layer of the heart
Myocardium - Answers muscular, middle layer of the heart
epicardium - Answers outer layer of the heart
Pericardium - Answers not a layer, it is the sac that surrounds the heart to minimize friction between
heart and the surroundings.
diatole - Answers relaxation
Systole - Answers contraction
SA node - Answers pacemaker 60-100 bpm
Location of the heart - Answers Thorax between the lungs in the inferior mediastinum
apex of the heart - Answers tip of the heart pointing down toward the 5th left intercostal space
base of heart - Answers top of the heart
Atria (recieving chambers) - Answers upper chambers of the heart
Ventricles (pumping blood) - Answers Lower chambers of the heart
AV valves - Answers tricuspid and mitral
semilunar valves - Answers pulmonary and aortic
S1 - Answers the first heart sound, heard when the atrioventricular (mitral and tricuspid) valves close
S2 - Answers the second heart sound, heard when the semilunar (aortic and pulmonic) valves close
Arteries - Answers Blood vessels that carry blood away from the heart
Veins - Answers Blood vessels that carry blood back to the heart
Capillaries - Answers Allows gas exchange
skeleton of the heart - Answers Insulates (separates) atria from ventricles
inter-atrial septum - Answers separates left atrium from right atrium
interventricular septum - Answers separates ventricles
systemic circulation - Answers circulation that supplies blood to all the body except to the lungs
pulmonary circulation - Answers flow of blood from the heart to the lungs and back to the heart
endocardium - Answers Inner layer of the heart
Myocardium - Answers muscular, middle layer of the heart
epicardium - Answers outer layer of the heart
Pericardium - Answers not a layer, it is the sac that surrounds the heart to minimize friction between
heart and the surroundings.
diatole - Answers relaxation
Systole - Answers contraction
SA node - Answers pacemaker 60-100 bpm
