Straighterline Anatomy And Physiology II - Chapter 19: Blood Exam Questions And Answers 2025/2026

Straighterline Anatomy And Physiology II - Chapter 19: Blood Exam Questions And Answers 2025/2026 The only formed elements that possess a nucleus when mature are the: a. thrombocytes b. erythrocytes c. leukocytes d. platelets e. RBCs - answer-c. leukocytes In the platelet release reaction, a. factor XII is activated b. ADP and thromboxane stimulate other platelets to become activated c. activated platelets are connected by fibrinogen d. prostaglandin production is inhibited e. platelets convert to fibrin - answer-b. ADP and thromboxanes stimulate other platelets to become activated Which of the following is NOT a form of hemoglobin found in the developing human? a. adult b. embryonic c. adolescent d. fetal - answer-c. adolescentHealing after clot formation involves a. clot retraction. b. repair of the damaged blood vessel by connective tissue cells. c. clot dissolution. d. serum being squeezed out of the clot. e. All of these choices are correct. - answer-e. All of these choices are correct When defective erythrocytes are broken down, a. they are removed from the blood by the lungs. b. bilirubin is formed from the breakdown of hemoglobin. c. their heme groups are converted into amino acids. d. their iron is excreted into the small intestine. e. their components cannot be recycled. - answer-b. bilirubin is formed from the breakdown of hemoglobin