A&P 2 Lecture Exam 1 - Verified Notes + Key
Concepts for Success–100% Accurate Q&A
Questions and Mark scheme
Version: Final
, Thrombocytes
What does the hormone erythropoietin do? Where is it produced and where are its target cells? - ✔✔-Increases the
number of RBC's precursors produced
-Primarily by cells in the kidneys that lie between the kidney tubules (peri tubular interstitial cells).
Approximately how many hemoglobin molecules are found in each RBC? How many oxygen molecules can each
hemoglobin molecule carry? How many oxygen molecules can each RBC carry? - ✔✔-Approximately how many
hemoglobin molecules are found in each RBC? 280
-How many oxygen molecules can each. Hemoglobin molecules carry? 4 oxygen
-How many oxygen molecules can each RBC carry?-1billion
-250 million hemoglobin molecule in each red blood cell.
-each hemoglobin molecule can bind 4oxygen molecules.
What is ferritin? - ✔✔An iron storage protein
Which gasses do RBCs transport? - ✔✔Oxygen and carbon dioxide
Which blood cells are phagocytes? - ✔✔Leukocytes (White)
What is the function of platelets? - ✔✔Promote blood clotting, help stop blood loss from damaged blood vessels by
forming a platelet plug.
Which blood cells are effective against parasitic worms? - ✔✔Eosinophils
By what processes do leukocytes emigrate from blood vessels? - ✔✔WBC's emigrate from blood vessels through a
process called emigration (diapedesis) in which they roll along the endothelium, stick to it, and then squeeze between
endothelial cells.
What is emigration? - ✔✔process in which WBC's leave the blood stream (emigrate)