Chapter 18 BSC2086 Study Review Test.
In the breakdown of hemoglobin, the globin chains __________. - CORRECT ANSWER are broken down by macrophages into amino acids
In the breakdown of hemoglobin, the iron __________. - CORRECT ANSWER is transported by transferrin to the liver, spleen, and ...
In the breakdown of hemoglobin, the globin chains __________. - CORRECT ANSWER are broken down
by macrophages into amino acids
In the breakdown of hemoglobin, the iron __________. - CORRECT ANSWER is transported by transferrin
to the liver, spleen, and bone marrow
Which of the following is the correct sequence in the breakdown of the non-iron portion of the heme? -
CORRECT ANSWER Heme, biliverdin, bilirubin, conjugated bilirubin, bilirubin derivatives, feces and urine
What are the components of the circulatory system? - CORRECT ANSWER 1.heart
2.blood vessels
3. blood
Viscosity and osmolarity will both increase if the amount of ____________ in the blood increases. -
CORRECT ANSWER erythrocytes and protein
Choose the correct statement regarding the function of platelets. - CORRECT ANSWER They secrete
procoagulants, or clotting factors, which promote blood clotting.
Which of the following is NOT a function of platelets? - CORRECT ANSWER They inhibit procoagulants.
After tissue repair is completed, factor XII catalyzes the formation of a plasma enzyme called kallikrein,
that in turn converts an inactive plasminogen into _________, a fibrin-dissolving enzyme that breaks up
the clot. - CORRECT ANSWER plasmin
In healthy blood vessels, platelets do not adhere because the smooth endothelium is coated with
______________. - CORRECT ANSWER prostacyclin
, What are the two principal functions of erythrocytes? - CORRECT ANSWER To pick up oxygen from the
lungs and deliver it to tissues and to pick up carbon dioxide from the tissues and unload it in the lungs
Identify the incorrect statement regarding blood groups other than ABO and Rh. - CORRECT ANSWER
They frequently cause transfusion reactions.
Identify the correct statement regarding leukocytes - CORRECT ANSWER Leukocytes spend only a few
hours in the bloodstream, then migrate through the walls of the capillaries. C
Primary Polycythemia - CORRECT ANSWER due to cancer of the erythropoietic line of the red bone
marrow
Thalassemia - CORRECT ANSWER a deficiency or absence of Alpha or beta hemoglobin
pernicious anemia - CORRECT ANSWER Occurs when stomach glands fail to produce intrinsic factor
Sencondary Polycythemia - CORRECT ANSWER Can result from dehydration
iron deficiency anemia - CORRECT ANSWER Usually caused by blood loss without sufficient
compensatory ingestion
Sicle cell disease - CORRECT ANSWER Caused by a recessive allele that modifies the hemoglobin beta
chain
Septicemia - CORRECT ANSWER Bacteria in the bloodstream
Thalassemia - CORRECT ANSWER A deficiency or absence of alpha or beta hemoglobin
Thrombocytopenia - CORRECT ANSWER A platelet count below 100,000/ml
infectious mononucleosis - CORRECT ANSWER Infectious of B lymphocytes with Epstein-Barr virus
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