Page 1 of 18
NR 302 – 2026 EXAM 3 COMPLETE (211)
CURRENT TESTING QUESTIONS AND
CORRECT DETAILED ANSWERS|TOP-RATED
A+.
NR 302
Prepare for the NR 302 – Exam 3 with this concise study resource
covering medical-surgical nursing concepts, patient care
priorities, and exam-style questions. It reinforces key topics and
supports effective test preparation. Suitable for nursing
students in medical-surgical courses.
Superior/ Inferior Vena Cava ...... ANSWER ....... Returns
unoxygenated venous blood to the right side of the heart
Pulmonary artery ...... ANSWER ....... Leaves the right
ventricle, bifurcates, and carries the venous blood to the
lungs
Pulmonary veins ...... ANSWER ....... Returns the freshly
oxygensted blood to the left side of the heart, and the aorta
, Page 2 of 18
Aorta ...... ANSWER ....... Carries blood out to the body
Pericardium ...... ANSWER ....... Tough, fibrous, double
walled sac that surrounds/protects the heart
Myocardium ...... ANSWER ....... Muscular wall of the heart
(Does the pumping)
Endocardium ...... ANSWER ....... Send layer of epithelial
tissue that lines the inner surface of the heart chambers and
valves
Right side of heart ...... ANSWER ....... Pumps blood into
the lungs
Left side of the heart ...... ANSWER ....... Simultaneously
pumps blood to the body
Atrium ...... ANSWER ....... Thin-walled reservoir for holding
blood
, Page 3 of 18
Ventricle ...... ANSWER ....... Thick-walled is the muscular
pumping chamber
Valves ...... ANSWER ....... Main purpose is to prevent
backflow of blood, unidirectional, can't open/close passively
in response to pressure gradients in the moving blood
Atrioventricular
(AV) ...... ANSWER ....... Separate the atria and the
ventricles
Tricuspid ...... ANSWER ....... Right AV
Bicuspid/ Mitral Valve ...... ANSWER ....... Left AV
Diastole ...... ANSWER ....... AV opens during hearts filling
phase (allows ventricles to fill with blood)
Systole ...... ANSWER ....... AV closes to prevent
regurgitation of blood back into the atria (pumping phase)
NR 302 – 2026 EXAM 3 COMPLETE (211)
CURRENT TESTING QUESTIONS AND
CORRECT DETAILED ANSWERS|TOP-RATED
A+.
NR 302
Prepare for the NR 302 – Exam 3 with this concise study resource
covering medical-surgical nursing concepts, patient care
priorities, and exam-style questions. It reinforces key topics and
supports effective test preparation. Suitable for nursing
students in medical-surgical courses.
Superior/ Inferior Vena Cava ...... ANSWER ....... Returns
unoxygenated venous blood to the right side of the heart
Pulmonary artery ...... ANSWER ....... Leaves the right
ventricle, bifurcates, and carries the venous blood to the
lungs
Pulmonary veins ...... ANSWER ....... Returns the freshly
oxygensted blood to the left side of the heart, and the aorta
, Page 2 of 18
Aorta ...... ANSWER ....... Carries blood out to the body
Pericardium ...... ANSWER ....... Tough, fibrous, double
walled sac that surrounds/protects the heart
Myocardium ...... ANSWER ....... Muscular wall of the heart
(Does the pumping)
Endocardium ...... ANSWER ....... Send layer of epithelial
tissue that lines the inner surface of the heart chambers and
valves
Right side of heart ...... ANSWER ....... Pumps blood into
the lungs
Left side of the heart ...... ANSWER ....... Simultaneously
pumps blood to the body
Atrium ...... ANSWER ....... Thin-walled reservoir for holding
blood
, Page 3 of 18
Ventricle ...... ANSWER ....... Thick-walled is the muscular
pumping chamber
Valves ...... ANSWER ....... Main purpose is to prevent
backflow of blood, unidirectional, can't open/close passively
in response to pressure gradients in the moving blood
Atrioventricular
(AV) ...... ANSWER ....... Separate the atria and the
ventricles
Tricuspid ...... ANSWER ....... Right AV
Bicuspid/ Mitral Valve ...... ANSWER ....... Left AV
Diastole ...... ANSWER ....... AV opens during hearts filling
phase (allows ventricles to fill with blood)
Systole ...... ANSWER ....... AV closes to prevent
regurgitation of blood back into the atria (pumping phase)
