BIO2300, Unit 4, Concept D circulation
pathways Exam 2025 Questions and
Answers
Systemic Circulation - --CORRECT ANSWER--(oxygenated blood)Pulmonary
veins --> LA --> Bicuspid valve --> LV --> Aortic semilunar valve --> aorta -->
systemic arteries --> gas and nutrient exchange in peripheral tissues
Pulmonary Circulation - --CORRECT ANSWER--(Deoxygenated
blood)Pulmonary veins --> SVC, IVC, Coronary sinus --> RA --> Tricuspid Valve
--> RV --> Pulmonary semilunar valve --> Pulmonary trunk and arteries --> gas
exchange in the lungs
Foregut - --CORRECT ANSWER--distal esophagus, stomach, most of duodenum
and associated organs
Midgut - --CORRECT ANSWER--jejunum, ileum, cecum, appendix, ascending
colon, and proximal 2/3 of transverse colon
Hindgut - --CORRECT ANSWER--distal 1/3 of transverse colon, descending
colon, sigmoid colon, and superior rectum
....COPYRIGHT ©️ 2025 ALL RIGHTS RESERVED...TRUSTED & VERIFIED 1
pathways Exam 2025 Questions and
Answers
Systemic Circulation - --CORRECT ANSWER--(oxygenated blood)Pulmonary
veins --> LA --> Bicuspid valve --> LV --> Aortic semilunar valve --> aorta -->
systemic arteries --> gas and nutrient exchange in peripheral tissues
Pulmonary Circulation - --CORRECT ANSWER--(Deoxygenated
blood)Pulmonary veins --> SVC, IVC, Coronary sinus --> RA --> Tricuspid Valve
--> RV --> Pulmonary semilunar valve --> Pulmonary trunk and arteries --> gas
exchange in the lungs
Foregut - --CORRECT ANSWER--distal esophagus, stomach, most of duodenum
and associated organs
Midgut - --CORRECT ANSWER--jejunum, ileum, cecum, appendix, ascending
colon, and proximal 2/3 of transverse colon
Hindgut - --CORRECT ANSWER--distal 1/3 of transverse colon, descending
colon, sigmoid colon, and superior rectum
....COPYRIGHT ©️ 2025 ALL RIGHTS RESERVED...TRUSTED & VERIFIED 1
