BIOS 255 EXAM 3 TEST BANK QUESTIONS
AND ACCURATE ANSWERS PRACTICE
STUDY MATERIAL
●● What is hematocrit?
Answer: The percentage of blood volume made up of red blood cells
used to assess oxygen-carrying capacity.
●● What makes up plasma?
Answer: Water, nutrients, hormones, electrolytes, gases, wastes, and
plasma proteins.
●● What is albumin?
Answer: A plasma protein that maintains osmotic pressure and blood
volume.
●● What are globulins?
Answer: Plasma proteins involved in transport and immune function.
●● What is fibrinogen?
Answer: A plasma protein involved in clotting that is converted into
fibrin.
,●● What do red blood cells do?
Answer: Carry oxygen and carbon dioxide using hemoglobin.
●● What is anemia?
Answer: A deficiency of red blood cells or hemoglobin reducing oxygen
delivery.
●● What is polycythemia?
Answer: An excess of red blood cells increasing blood viscosity.
●● What does agglutination mean?
Answer: The clumping of red blood cells due to antigen-antibody
reactions.
●● What do positive and negative blood types refer to?
Answer: The presence or absence of the Rh antigen.
●● What is the universal donor?
Answer: O negative blood.
●● What is the universal receiver?
Answer: AB positive blood.
, ●● What do white blood cells do?
Answer: They fight infection and provide immune defense.
●● What do neutrophils do?
Answer: They phagocytize bacteria and act as first responders.
●● What do eosinophils do?
Answer: They combat parasites and participate in allergic reactions.
●● What do basophils do?
Answer: They release histamine and heparin.
●● What do lymphocytes do?
Answer: B cells produce antibodies and T cells attack infected cells.
●● What do monocytes do?
Answer: They become macrophages and phagocytize pathogens.
●● What is the pulmonary circuit?
Answer: Circulation between the heart and lungs.
●● What is the systemic circuit?
AND ACCURATE ANSWERS PRACTICE
STUDY MATERIAL
●● What is hematocrit?
Answer: The percentage of blood volume made up of red blood cells
used to assess oxygen-carrying capacity.
●● What makes up plasma?
Answer: Water, nutrients, hormones, electrolytes, gases, wastes, and
plasma proteins.
●● What is albumin?
Answer: A plasma protein that maintains osmotic pressure and blood
volume.
●● What are globulins?
Answer: Plasma proteins involved in transport and immune function.
●● What is fibrinogen?
Answer: A plasma protein involved in clotting that is converted into
fibrin.
,●● What do red blood cells do?
Answer: Carry oxygen and carbon dioxide using hemoglobin.
●● What is anemia?
Answer: A deficiency of red blood cells or hemoglobin reducing oxygen
delivery.
●● What is polycythemia?
Answer: An excess of red blood cells increasing blood viscosity.
●● What does agglutination mean?
Answer: The clumping of red blood cells due to antigen-antibody
reactions.
●● What do positive and negative blood types refer to?
Answer: The presence or absence of the Rh antigen.
●● What is the universal donor?
Answer: O negative blood.
●● What is the universal receiver?
Answer: AB positive blood.
, ●● What do white blood cells do?
Answer: They fight infection and provide immune defense.
●● What do neutrophils do?
Answer: They phagocytize bacteria and act as first responders.
●● What do eosinophils do?
Answer: They combat parasites and participate in allergic reactions.
●● What do basophils do?
Answer: They release histamine and heparin.
●● What do lymphocytes do?
Answer: B cells produce antibodies and T cells attack infected cells.
●● What do monocytes do?
Answer: They become macrophages and phagocytize pathogens.
●● What is the pulmonary circuit?
Answer: Circulation between the heart and lungs.
●● What is the systemic circuit?
