Human Biology (MindTap Course List)
11th Edition
ISBN: 9781305112100
Author: Cecie Starr, Beverly McMillan
Publisher: Cengage Learning
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Chapter 8, Problem 7SQ
Summary Introduction
Introduction: Hematologic system comprises of blood, blood vessels, and blood-forming organs. Blood is a fluid connective tissue that carries oxygen, glucose, and nutrients throughout the body. It mainly consists of four types of components, namely red blood cells (RBCs), white blood cells (WBCs), plasma, and platelets.
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A. Red blood cell's nucleus disintegrates as it matures in the bone marrow.
B. Bands are immature neutrophils circulating in the body.
a. both are correct
b. both are incorrect
c. a is correct, b is not
d. b is correct, a is not
A mismatch of blood types during a transfusion is dangerous because _________.
a.clotting factors in the donor's blood will cause unwanted clots known as thrombus
b.antibodies in the donor's plasma will attack and kill the recipient's healthy blood cells
c.preformed antibodies in the recipient's blood will bind and clump (agglutinate) the donated cells
d.white blood cells from the donor's blood cause inflammation
1.These permit easier movement of cells between tissues and blood.A. sinusoid capillariesB. continuous capillariesC. fenestrated capillariesD. metarterioles2. The white pulp of spleen _____.A. produce blood cellsB. store plateletsC. destroy blood borne pathogensD. remove defective blood cells
3. Which of the following is TRUE?A. Tonsillitis of viral origin usually resolves on its own.B. Pharyngeal tonsillitis are pairedC. Tonsillitis are caused by viruses onlyD. Lingual tonsils are commonly removed in tonsillectomy
4. What will take over the functions of spleen if spleen is removed?A. thymus and liverB. red bone marrow and thymusC. lymph nodes and thymusD. red bone marrow and liver
5. Tissues that lack lymphatic capillaries include ______.A. Red bone marrow B. thymus C. lymph gland D. all of the above
6. Which of the following describes an artery?A. round and larger lumenB. without valveC. lumen is large when blood is flowingD. with valve
Chapter 8 Solutions
Human Biology (MindTap Course List)
Ch. 8 - Prob. 1RQCh. 8 - What are the cellular components of blood? Where...Ch. 8 - Prob. 3RQCh. 8 - What is an agglutination response? How can it be...Ch. 8 - Prob. 5RQCh. 8 - Prob. 1SQCh. 8 - Prob. 2SQCh. 8 - Prob. 3SQCh. 8 - In the lungs, the main factor in boosting the...Ch. 8 - Which of the following statements about red blood...
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- functional injury to endothelial cells would most likely result in which of the following? a. hemorrhage per rhexis b. thrombosis c. hematoma d. hydrothoraxarrow_forwardThe term "hematopoiesis" refers to: Select one: a. the mechanisms that prevent blood loss O b. the process of blood cell formation O c. the rupture of red blood cells O d. a disease in which there is insufficient blood cell productionarrow_forwardPlatelet plug formation occurs at which point? a. when large megakaryocytes break up into thousands of smaller fragments b. when platelets are dispersed through the bloodstream c. when platelets are attracted to a site of blood vessel damage d. none of the abovearrow_forward
- For a person whose hematocrit is 45%, a. plasma volume would be 55% of total blood volume b. plasma volume would be 45% of total blood volume c. red blood cell volume would be 55% of total blood volume d. white blood cell volume would be 45% of total blood volume All of the following characteristics of platelets are true EXCEPT a. Exhibit many vesicles b. Have nucleus c. Platelets are fragments of megakaryocytes d. Smallest size compared to other blood cellular components of 2- 4 μm If someone has no megakaryocytes, he/she will a. not be able to phagocytize bacteria b. have a reduced ability to prevent blood loss c. not be able to make red blood cells d. not be able to make white blood cellsarrow_forwardThe content of ATP/ADP was considerably diminished in blood cells which was accompanied with the increase of time of bleeding as a result of hemostasis violation directly during the development of: A. reversible aggregation of thrombocytes B. irreversible aggregation of thrombocytes C. adhesion of thrombocytes D. hemocoagulation E. thromb's retractionarrow_forwardO e. HIV infection Of None of the above QUESTION 20 Pancarditis manifests as inflammation of: a. Endocardium O b- Myocardium O Pericardium C. d. All the above e. None of the above QUESTION 21 Which of the following characteristic are observed in basophils during in O a. Phagocvtosis.arrow_forward
- IV. The Formation of Red Blood Cells The body must constantly produce new red blood cells to maintain homeostasis. Demonstrate your understanding of the life cycle of red blood cells by placing the following events in the proper sequence. A. An immature form of an erythrocyte, called a reticulocyte, is released into the circulation. B. EPO stimulates stem cells in red bone marrow to begin creating new erythrocytes. _C. After one to two days, the reticulocyte becomes a mature erythrocyte. _D. The kidneys detect the declining levels of oxygen and respond by secreting a hormone called erythropoietin (EPO). E. As the number of RBCS increases, oxygen levels rise. Less EPO is produced, and RBC production declines. F. As damaged RBCS are removed from circulation, oxygen levels fall.arrow_forwardWhat is blood clotting?a. Blood clotting is the formation of a platelet plug.b. Blood clotting is agglutination.c. Blood clotting is coagulation.d. Blood clotting is fibrinolysis.e. Blood clotting requires a reaction cascade.arrow_forwardExplain why each choice (a-d) is correct or incorrect The lymphatic capillaries are a. More permeable than blood capillaries b. Less permeable than blood capillaries c. As permeable as blood capillaries d. Completely impermeablearrow_forward
- The vascular changes of inflammationa. lead to an increase in bacterial cells at the injury site.b. decrease the number of leukocytes at the injury site.c. allow plasma proteins to move easily from the bloodstream to theinjury site.d. increase the number of antibodies at the injury site.e. activate lymphocytes.arrow_forwardWhich ôf thế fóllówing choices is čórréct? A. Blood platelets are products of megakaryocytes B. Yellow marrow is composed primarily of adipose tissue (fat) C. Formation of unstable collagen helices can result of vitamin C deficie D. Worn out and old RBC's are normally destroyed in the spleen by macn E. Fibronectin contains binding sites for integrins and is an important pa tissue F. None of the above G. Both B and Darrow_forwardClots in arteries can cause heart attacks and strokes. Why,then, does it make sense to treat people with hemophiliaby introducing clotting factors into their blood?arrow_forward
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