BLOOD BHSC 1200 QUESTIONS AND ANSWERS
Blood exits the heart via - Answers :arteries
Veins - Answers :carry oxygen deficient blood to the heart
List the transport functions of blood - Answers :-delivering oxygen from the lungs and
nutrients from the digestive tract to all body cells
-transporting metabolic waste products from cells to elimination sites (lungs & kidneys)
-transporting hormones (endocrine organs to their target organs)
List the regulation functions of blood - Answers :-maintaining body temperature
-maintaining normal pH
-maintaining adequate fluid volume in the circulatory system
List the protective functions of blood - Answers :-preventing blood loss via clot formation
-preventing infection with antibodies, complete proteins and leukocytes (WBC's)
Leukocytes - Answers :white blood cells
formed elements - Answers :cellular portion of blood: red blood cells, white blood cells,
platelets
What proteins are in plasma? - Answers :albumin, fibrinogen, globulins
Erythrocytes - Answers :red blood cells
The buffy coat consists of - Answers :leukocytes and platelets
What contributes to 45% of the volume of a blood sample - Answers :Red blood cells
(erythrocytes)
what is hematocrit - Answers :percentage of blood volume occupied by red blood cells
pH of blood - Answers :7.35-7.45
Is blood alkaline or acidic? - Answers :alkaline
What contributes to blood viscosity - Answers :Erythrocytes
What happens to blood viscous when red blood cells increase above a normal range? -
Answers :Blood will be come more viscous and move slower
90% of plasma is - Answers :water
Other then water what is the major plasma component? - Answers :Electrolytes
, Most plasma proteins are made by - Answers :Liver; exception is gamma globulins,
which are made by B cells
Alubumin is the main contributor to _____ and acts as a carrier for _______ in the blood
- Answers :osmotic pressure, molecules
Does plasma composition change frequently? - Answers :No, homeostatic functions
keep it relatively constant
Fibronigen - Answers :Forms fibrin threads of blood clots
Are erythrocytes and platelets true cells? - Answers :No, erythrocytes contain no nuclei
or organelles and platelets are only cell fragments.
Are leukocytes complete cells? - Answers :Yes
Do blood cells divide? - Answers :Most do not instead stem cells divide in red bone
marrow to replace cells
erythrocyte structure - Answers :biconcave disc
3 things that contribute to gas transport in red blood cells - Answers :-small size &
shape provide a huge surface area
-discounting water content
-they do not consume any of the oxygen they carry making them very efficient oxygen
transporters
Hematocrit - Answers :percentage of blood volume occupied by red blood cells normally
45%
Hemaglobin function? - Answers :RBC protein that functions in gas transport
Spectrin function? - Answers :A fibrous structural protein that maintains the bioconcave
shape of an erythrocyte.
Globin consists of four polypeptide chains—two _____ and two _____, —each binding a
red ringlike ______ group - Answers :two alpha (α) and two beta (β), Heme
Erythrocytes pick up _______ in the capillaries of the lungs and releases it to tissue
cells across other capillaries throughout the body. - Answers :oxygen
erythrocytes also transports some 20% of the _______ _______ released by tissue
cells back to the lungs. - Answers :carbon dioxide
Blood exits the heart via - Answers :arteries
Veins - Answers :carry oxygen deficient blood to the heart
List the transport functions of blood - Answers :-delivering oxygen from the lungs and
nutrients from the digestive tract to all body cells
-transporting metabolic waste products from cells to elimination sites (lungs & kidneys)
-transporting hormones (endocrine organs to their target organs)
List the regulation functions of blood - Answers :-maintaining body temperature
-maintaining normal pH
-maintaining adequate fluid volume in the circulatory system
List the protective functions of blood - Answers :-preventing blood loss via clot formation
-preventing infection with antibodies, complete proteins and leukocytes (WBC's)
Leukocytes - Answers :white blood cells
formed elements - Answers :cellular portion of blood: red blood cells, white blood cells,
platelets
What proteins are in plasma? - Answers :albumin, fibrinogen, globulins
Erythrocytes - Answers :red blood cells
The buffy coat consists of - Answers :leukocytes and platelets
What contributes to 45% of the volume of a blood sample - Answers :Red blood cells
(erythrocytes)
what is hematocrit - Answers :percentage of blood volume occupied by red blood cells
pH of blood - Answers :7.35-7.45
Is blood alkaline or acidic? - Answers :alkaline
What contributes to blood viscosity - Answers :Erythrocytes
What happens to blood viscous when red blood cells increase above a normal range? -
Answers :Blood will be come more viscous and move slower
90% of plasma is - Answers :water
Other then water what is the major plasma component? - Answers :Electrolytes
, Most plasma proteins are made by - Answers :Liver; exception is gamma globulins,
which are made by B cells
Alubumin is the main contributor to _____ and acts as a carrier for _______ in the blood
- Answers :osmotic pressure, molecules
Does plasma composition change frequently? - Answers :No, homeostatic functions
keep it relatively constant
Fibronigen - Answers :Forms fibrin threads of blood clots
Are erythrocytes and platelets true cells? - Answers :No, erythrocytes contain no nuclei
or organelles and platelets are only cell fragments.
Are leukocytes complete cells? - Answers :Yes
Do blood cells divide? - Answers :Most do not instead stem cells divide in red bone
marrow to replace cells
erythrocyte structure - Answers :biconcave disc
3 things that contribute to gas transport in red blood cells - Answers :-small size &
shape provide a huge surface area
-discounting water content
-they do not consume any of the oxygen they carry making them very efficient oxygen
transporters
Hematocrit - Answers :percentage of blood volume occupied by red blood cells normally
45%
Hemaglobin function? - Answers :RBC protein that functions in gas transport
Spectrin function? - Answers :A fibrous structural protein that maintains the bioconcave
shape of an erythrocyte.
Globin consists of four polypeptide chains—two _____ and two _____, —each binding a
red ringlike ______ group - Answers :two alpha (α) and two beta (β), Heme
Erythrocytes pick up _______ in the capillaries of the lungs and releases it to tissue
cells across other capillaries throughout the body. - Answers :oxygen
erythrocytes also transports some 20% of the _______ _______ released by tissue
cells back to the lungs. - Answers :carbon dioxide
