Chapter 19 Blood
When a person who lives at sea level vacations in the Rocky Mountains, you would expect A) the release of erythropoietin. B) an increase in red blood cell production. C) a drop in oxygen levels. D) a rise in hematocrit. E) All of the answers are correct.
E) All of the answers are correct.
Which of the following is a function of the blood? A) transport of nutrients and wastes B) transport of gases C) transport of body heat D) defense against toxins and pathogens E) All of the answers are correct.
E) All of the answers are correct.
The disease sickle cell anemia is an example of what can happen if A) the diet is deficient in iron. B) hemolysis is prevented by a mutated gene. C) red blood cells bind too much oxygen. D) there is insufficient heme in the hemoglobin. E) a gene for adult hemoglobin is abnormal.
E) a gene for adult hemoglobin is abnormal.
The most abundant proteins in blood plasma are A) lipoproteins. B) globulins. C) fibrinogens. D) transport proteins. E) albumins.
E) albumins.
A person who has a low blood volume is said to be A) isovolemic. B) normovolemic. C) hypervolemic. D) antivolemic. E) hypovolemic.
E) hypovolemic.
Which of the following statements about blood is false? A) Blood is more viscous than water. B) The normal pH of blood is 6.8 to 7.0. C) Blood is about 55 percent plasma. D) Blood contains buffers that control pH. E) Cells in blood comprise the formed elements.
B) The normal pH of blood is 6.8 to 7.0.
When checking the efficiency of gas exchange, it may be necessary to draw a blood sample from A) the lungs. B) capillaries. C) the heart. D) an artery. E) a vein.
D) an artery.
Formed elements make up about what percentage of blood? A) 45 percent B) 20 percent C) 30 percent D) 60 percent E) 55 percent
A) 45 percent
Plasma is closest in composition to A) interstitial fluid. B) CSF. C) sterile water. D) isotonic saline solution. E) urine.
A) interstitial fluid.
All the circulating red blood cells in an adult originate in the A) red bone marrow. B) spleen. C) lymph tissue. D) thymus. E) heart.
A) red bone marrow.
The most abundant component of plasma is A) water. B) ions. C) gases. D) nutrients. E) proteins
A) water.
The combination of plasma and formed elements is called A) whole blood. B) serum. C) extracellular fluid. D) packed blood. E) lymph.
A) whole blood
You are caring for an adult patient who weighs 48 kg. What would her approximate blood volume be? A) 5.6 L B) 3.8 L C) 4.8 L D) 6.6 L E) 6.0 L
B) 3.8 L
The total volume of blood in the body of a 76-kg man is approximately ________ liters. A) 4.4 B) 5.3 C) 3.8 D) 10 E) 6 to 8
B) 5.3
Which of the following statements concerning red blood cells is false? A) Red cells are specialized for carrying oxygen. B) Red cells are about 18 μm in diameter. C) Red cells are biconcave discs. D) Red cells lack mitochondria. E) Red cells can form stacks called rouleaux.
B) Red cells are about 18 μm in diameter.
Which of these is not one of the formed elements of blood? A) lymphocytes B) antibodies C) basophils D) RBCs E) platelets
B) antibodies
A plasma protein essential for blood coagulation is A) lipoprotein C. B) fibrinogen. C) albumin alpha. D) metalloprotein D. E) immunoglobulin A.
B) fibrinogen.
Plasma proteins essential in body defense are the A) metalloproteins. B) immunoglobulins. C) fibrinogens. D) lipoproteins. E) albumins.
B) immunoglobulins.
Thyroid-binding globulin is an example of which kind of plasma protein? A) apolipoprotein B) metalloprotein C) hormone-binding D) transport albumin E) steroid-binding
C) hormone-binding
Plasma composes about ________ percent of whole blood and water composes ________ percent of the plasma volume. A) 45; 55 B) 92; 55 C) 92; 7 D) 55; 92 E) 50; 50
D) 55; 92
Consider these results from a blood lab test. Which value is most likely abnormal? A) RBCs-5.2 million/μl B) leukocytes-8600/μl C) hematocrit-44 percent D) hemoglobin-10.7 g/100 ml E) platelets-280,000/μl
D) hemoglobin-10.7 g/100 ml
Which organ secretes most of the plasma proteins? A) kidney B) heart C) pancreas D) liver E) brain
D) liver
Transferrin is an example of which kind of plasma protein? A) apolipoprotein B) steroid-binding protein C) transport albumin D) metalloprotein E) hormone-binding protein
D) metalloprotein
Surgical removal of the stomach could cause A) thrombocytopenia. B) hemophilia. C) jaundice. D) pernicious anemia. E) leukocytosis.
D) pernicious anemia.
Each of the following is a characteristic of whole blood, except a A) pH of 7.4. B) deep red color from hemoglobin. C) temperature of approximately 38 degrees Celsius. D) viscosity about the same as water. E) built-in system for clotting.
D) viscosity about the same as water.
A typical adult hematocrit is A) 65. B) 75. C) 85. D) 25. E) 45.
E) 45.
Whole blood for testing in a clinical laboratory is usually collected from A) a capillary. B) an arteriole. C) the heart. D) a superficial artery. E) a superficial vein.
E) a superficial vein.
Which plasma protein transports fatty acids and some hormones? A) gamma globulin B) hormone-binding protein C) albumin D) translipin E) steroid-binding protein
C) albumin
The chief difference between plasma and interstitial fluid involves the A) concentration of nitrogen wastes. B) concentration of electrolytes. C) concentration of proteins. D) concentration of glucose. E) concentration of water.
C) concentration of proteins.
Red blood cell production is regulated by the hormone A) renin. B) thymosin. C) erythropoietin. D) angiotensin. E) M-CSF.
C) erythropoietin
The percent fraction of formed elements relative to whole blood is the A) packed volume. B) differential cell count. C) hematocrit. D) viscosity. E) specific gravity.
C) hematocrit.
Which of these proteins functions to store or transport iron? A) ferritin B) hemosiderin C) hemoglobin D) transferrin E) ferritin, hemosiderin, and transferrin
E) ferritin, hemosiderin, and transferrin
A hematocrit provides information on A) sedimentation rate. B) blood type. C) clotting factors. D) plasma composition. E) formed elements abundance.
E) formed elements abundance.