BIO 202 Exam 1 Study Guide Questions with 100% Correct Answers

Physical characteristics of blood: Correct Answer Transport, Regulation, Protection Transport functions includes: Correct Answer Delivering O2 and nutrients to body cells Transporting metabolic wastes to lungs and kidneys for elimination Transporting hormones from endocrine organs to target organs Regulation functions include: Correct Answer - Maintaining body temperature by absorbing and distributing heat - Maintaining normal pH using buffers; alkaline reserve of bicarbonate ions Maintaining adequate fluid volume in circulatory system Protection functions include: Correct Answer Preventing blood loss Plasma proteins and platelets in blood initiate clot formation Preventing infection: Correct Answer Agents of immunity are carried in blood - Antibodies - Complement proteins - White blood cells Blood is the only fluid______ in body Correct Answer tissue Matrix is nonliving fluid called: Correct Answer plasma Cells are living blood cells called Correct Answer formed elements Erythrocytes Correct Answer (red blood cells, or RBCs) Leukocytes Correct Answer (white blood cells, or WBCs) Blood plasma is straw-colored sticky fluid Correct Answer and is About 90% water Which blood cell is a complete blood cell Correct Answer WBC Which blood cells have no nuclei or other organelles Correct Answer RBC What are platelets Correct Answer are cell fragments How long do most formed elements survive in bloodstream? Correct Answer only a few days Most blood cells originate Correct Answer in bone marrow