Animal Physiology Final Exam-Mastering
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Both blood transfusions and drugs that mimic the effects of erythropoietin (EPO) are used to
increase hematocrit. Which of the following statements is true?
a.) both forms add red blood from an exogenous source.
b.) both increse red blood cell count by stimulating red blood cell synthesis.
c.) transfusions increase red blood cell county by stimulating red blood cell synthesis, while EPO
adds red blood cells from an exogenous source.
d.) EPO increases red blood cell count by stimulating red blood cell synthesis, while blood
transfusions add red blood cells from an exogenous source.
d.) EPO increases red blood cell count by stimulating red blood cell synthesis, while blood
transfusions add red blood cells from an exogenous source.
Hemostasis has three major steps. The first is vasoconstriction and the final step is coagulation.
What occurs between these two steps?
a. formation of a platelet plug
b. exposure of collagen
,c. contraction of vascular smooth muscle
d. formation of a fibrin protein mesh to form a clot
a. formation of a platelet plug
Which of the following components are arranged together to compose 97.5% of adult
hemoglobin? (select all that apply)
a. β-chain
b. δ-chain
c. γ-chain
d. α-chain
e. iron
f. porphyrin ring
a. β-chain
d. α-chain
e. iron
and
f. porphyrin ring
Labeled adult hemoglobin molecule
When oxygen binds to a hemoglobin molecule, which of the following structures does it bind to
directly?
a. nitrogen on the porphyrin ring
b. β-chain
,c. iron on the porphyrin ring
d. α-chain
c. iron on the porphyrin ring
A byproduct of the breakdown of old red blood cells that is removed form the body either
through the renal system or as bile:
a. bilirubin
b. bone marrow
c. Iron
d. Liver
e. spleen
f. transferrin
bilirubin
Must be ingested from our diet in order to produce new red blood cells:
a. bilirubin
b. bone marrow
c. Iron
d. Liver
e. spleen
f. transferrin
iron
, Rank the following phrases associated with the breakdown of red blood cells in the correct
sequential order. (earliest to latest)
a. bone marrow uses iron to produce hemoglobin
b. Iron is absorbed across the digestive tract via active transport mechanisms
c. new red blood cells are synthesized
d. transferrin transports iron throughout the blood plasma
earliest to latest:
(b>d>a>c)
1st: Iron is absorbed across the digestive tract via active transport mechanisms
2nd: transferrin transports iron throughout the blood plasma
3rd: bone marrow uses iron to produce hemoglobin
4th: new red blood cells are synthesized
Rank the following phrases assocaited with the breakdown of red blood cells in the correct
sequential order. (earliest to latest)
a. Bilirubin and other metabolites are excreted through the urine and feces
b. hemoglobin is converted to bilirubin
c. Red blood cells are delivered to the spleen.
d. Red blood cells produced by the bone marrow have aged approximately 120 days.
earliest to latest: (d>c>b>a)
1st: Red blood cells produced by the bone marrow have aged approximately 120 days.
2nd: Red blood cells are delivered to the spleen.
3rd: hemoglobin is converted to bilirubin
4th: Bilirubin and other metabolites are excreted through the urine and feces
Questions |COMPLETE GUIDE ALL
CHAPTERS COVERED 100% VERIFIED A+
GRADE ASSURED!!!!! NEW LATEST
UPDATE!!!!!
Both blood transfusions and drugs that mimic the effects of erythropoietin (EPO) are used to
increase hematocrit. Which of the following statements is true?
a.) both forms add red blood from an exogenous source.
b.) both increse red blood cell count by stimulating red blood cell synthesis.
c.) transfusions increase red blood cell county by stimulating red blood cell synthesis, while EPO
adds red blood cells from an exogenous source.
d.) EPO increases red blood cell count by stimulating red blood cell synthesis, while blood
transfusions add red blood cells from an exogenous source.
d.) EPO increases red blood cell count by stimulating red blood cell synthesis, while blood
transfusions add red blood cells from an exogenous source.
Hemostasis has three major steps. The first is vasoconstriction and the final step is coagulation.
What occurs between these two steps?
a. formation of a platelet plug
b. exposure of collagen
,c. contraction of vascular smooth muscle
d. formation of a fibrin protein mesh to form a clot
a. formation of a platelet plug
Which of the following components are arranged together to compose 97.5% of adult
hemoglobin? (select all that apply)
a. β-chain
b. δ-chain
c. γ-chain
d. α-chain
e. iron
f. porphyrin ring
a. β-chain
d. α-chain
e. iron
and
f. porphyrin ring
Labeled adult hemoglobin molecule
When oxygen binds to a hemoglobin molecule, which of the following structures does it bind to
directly?
a. nitrogen on the porphyrin ring
b. β-chain
,c. iron on the porphyrin ring
d. α-chain
c. iron on the porphyrin ring
A byproduct of the breakdown of old red blood cells that is removed form the body either
through the renal system or as bile:
a. bilirubin
b. bone marrow
c. Iron
d. Liver
e. spleen
f. transferrin
bilirubin
Must be ingested from our diet in order to produce new red blood cells:
a. bilirubin
b. bone marrow
c. Iron
d. Liver
e. spleen
f. transferrin
iron
, Rank the following phrases associated with the breakdown of red blood cells in the correct
sequential order. (earliest to latest)
a. bone marrow uses iron to produce hemoglobin
b. Iron is absorbed across the digestive tract via active transport mechanisms
c. new red blood cells are synthesized
d. transferrin transports iron throughout the blood plasma
earliest to latest:
(b>d>a>c)
1st: Iron is absorbed across the digestive tract via active transport mechanisms
2nd: transferrin transports iron throughout the blood plasma
3rd: bone marrow uses iron to produce hemoglobin
4th: new red blood cells are synthesized
Rank the following phrases assocaited with the breakdown of red blood cells in the correct
sequential order. (earliest to latest)
a. Bilirubin and other metabolites are excreted through the urine and feces
b. hemoglobin is converted to bilirubin
c. Red blood cells are delivered to the spleen.
d. Red blood cells produced by the bone marrow have aged approximately 120 days.
earliest to latest: (d>c>b>a)
1st: Red blood cells produced by the bone marrow have aged approximately 120 days.
2nd: Red blood cells are delivered to the spleen.
3rd: hemoglobin is converted to bilirubin
4th: Bilirubin and other metabolites are excreted through the urine and feces
