27 the left side of the head is drain by the a left lymphatic duct b right lymphatic duct c thor

Step 1: Calculate the lowest concentration of IgG detected in the assay.

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27. The left side of the head is drained by the a. left lymphatic duct b. right lymphatic duct c. thoracic duct d. axillary node 28. The direction of fluid of the lymph is carried away from the heart a. T b. F 29. Plasma cells are lymphocytes that a. produce antibodies b. phagocytize foreign substances c. produce antigens d. produce reticular fiber stroma 30. Cells that engulf foreign substances and help activate T cells are a. T cells b. B cells c. Reticular cells d. Macrophages e. Plasma cells 31. Lymph nodes bear fewer afferent lymphatic vessels than efferent lymphatic vessels a. T b. F 32. The part of the lymph node that houses T cells in transit is the a. medulla b. hilus c. cortex d. capsule 33. All of these organs are part of the lymphatic system except: a. Spleen b. Thymus c. Pancreas d. Tonsils e. Peyer's patches 34. The lymphoid organ that functions primarily during the first years of life is the a. Spleen b. Thymus c. Pancreas d. Tonsils e. Peyer's patches 35. Which lymphoid organ stores products of red blood cells, is the site for erythropoietin before birth, and stores blood platelets? a. Spleen b. Thymus c. Pancreas d. Tonsils e. Peyer's patches 36. The saclike initial portion of the thoracic duct is the a. lacteal b. right lymphatic duct c. cisterna chyli d. lymph sac 37. The structural framework of lymphoid organs is a. areolar connective tissue b. hematopoietic tissue c. reticular tissue d. adipose tissue 38. The blood pressure range is greatest in the: a. vein b. venule c. capillary d. artery e. arteriole 39. How many different sites are where a pulse can be palpated above the heart? a. 1 b. 2 c. 3 d. 4 e. 5 40. Collections of lymphoid tissue (MALT) that guard mucosal surfaces include all of the following except a. GI tract b. respiratory tract c. reproductive tract d. mediastinum e. urinary tract 41. The tricuspid valve is: a. the left AV valve b. located in the AV junction c. the right AV valve 42. The layer over the external surface of the heart also called the visceral layer of the heart is the _ a. endocardium b. myocardium c. epicardium 43. The _ , functional supply of the heart, is the shortest circulation in the body. a. systemic circulation b. pulmonary circulation c. coronary circulation 44. The relaxation period of the heart refers to: a. contraction b. preload c. diastole d. systole 45. The term bradycardia refers to: a. amount of blood at any given time in the heart b. a heart rate slower than 60 beats per minute c. stretch of the heart with each contraction d. an impulse of the AV of 60 times 46. In Tetralogy of Fallot, the chamber of the heart that eventually enlarges (hypertrophies) is the __. a. left ventricle b. right ventricle c. left atrium d. right atrium 47. The following are factors used as short-term mechanisms to control arterial blood pressure except a. atrial natriuretic peptide b. renal regulation c. angiotensin II d. antidiuretic hormone e. adrenal medulla hormones 48. When the heart is inefficient to sustain adequate circulation, it is called: a. cardiogenic shock b. vascular shock c. hypovolemic shock d. septic shock 49. Which component of the lymphatic structures is responsible for the formation of all formed elements? a. spleen b. lymph nodes c. thymus d. red bone marrow e. tonsils 50. Which component of the lymphatic structures is where the immune response is initiated against a substance in the lymph? a. spleen b. lymph nodes c. thymus d. red bone marrow e. tonsils

27. The left side of the head is drained by the
a. left lymphatic duct b. right lymphatic duct c. thoracic duct d. axillary node
28. The direction of fluid of the lymph is carried away from the heart
a. T b. F
29. Plasma cells are lymphocytes that
a. produce antibodies b. phagocytize foreign substances
c. produce antigens d. produce reticular fiber stroma
30. Cells that engulf foreign substances and help activate T cells are
a. T cells b. B cells c. Reticular cells d. Macrophages e. Plasma cells
31. Lymph nodes bear fewer afferent lymphatic vessels than efferent lymphatic vessels
a. T b. F
32. The part of the lymph node that houses T cells in transit is the
a. medulla b. hilus c. cortex d. capsule
33. All of these organs are part of the lymphatic system except:
a. Spleen b. Thymus c. Pancreas d. Tonsils e. Peyer's patches
34. The lymphoid organ that functions primarily during the first years of life is the
a. Spleen b. Thymus c. Pancreas d. Tonsils e. Peyer's patches
35. Which lymphoid organ stores products of red blood cells, is the site for erythropoietin before birth, and stores blood platelets?
a. Spleen b. Thymus c. Pancreas d. Tonsils e. Peyer's patches
36. The saclike initial portion of the thoracic duct is the
a. lacteal b. right lymphatic duct c. cisterna chyli d. lymph sac
37. The structural framework of lymphoid organs is
a. areolar connective tissue b. hematopoietic tissue c. reticular tissue d. adipose tissue
38. The blood pressure range is greatest in the:
a. vein b. venule c. capillary d. artery e. arteriole
39. How many different sites are where a pulse can be palpated above the heart?
a. 1 b. 2 c. 3 d. 4 e. 5
40. Collections of lymphoid tissue (MALT) that guard mucosal surfaces include all of the following except
a. GI tract b. respiratory tract
c. reproductive tract d. mediastinum e. urinary tract
41. The tricuspid valve is:
a. the left AV valve b. located in the AV junction c. the right AV valve
42. The layer over the external surface of the heart also called the visceral layer of the heart is the _______
a. endocardium b. myocardium c. epicardium
43. The _______________ , functional supply of the heart, is the shortest circulation in the body.
a. systemic circulation b. pulmonary circulation c. coronary circulation
44. The relaxation period of the heart refers to:
a. contraction b. preload c. diastole d. systole
45. The term bradycardia refers to:
a. amount of blood at any given time in the heart b. a heart rate slower than 60 beats per minute
c. stretch of the heart with each contraction d. an impulse of the AV of 60 times
46. In Tetralogy of Fallot, the chamber of the heart that eventually enlarges (hypertrophies) is the __________.
a. left ventricle b. right ventricle c. left atrium d. right atrium
47. The following are factors used as short-term mechanisms to control arterial blood pressure except
a. atrial natriuretic peptide b. renal regulation c. angiotensin II
d. antidiuretic hormone e. adrenal medulla hormones
48. When the heart is inefficient to sustain adequate circulation, it is called:
a. cardiogenic shock b. vascular shock c. hypovolemic shock d. septic shock
49. Which component of the lymphatic structures is responsible for the formation of all formed elements?
a. spleen b. lymph nodes c. thymus d. red bone marrow e. tonsils
50. Which component of the lymphatic structures is where the immune response is initiated against a substance in the lymph?
a. spleen b. lymph nodes c. thymus d. red bone marrow e. tonsils

Added by Stephanie S.

1) The circulatory system consists of which of the following? a. Blood vessels and blood b. Heart and blood c. Heart and blood vessels d. Heart, blood vessels, and blood 2) All below are components of blood EXCEPT? a. Epithelial cells b. Plasma c. Red blood cells d. White blood cells 3) What does blood plasma transport? a. Nitrogenous wastes b. Nutrients c. Oxygen d. All of the above 4. Which organ is responsible for producing most of the plasma proteins? a. Endothelial cells b. Liver c. Pancreas d. Red marrow 5. Antibodies are _____________ a. Enzymes b. Gamma globulins c. Produced by the liver d. The most common plasma proteins 6. What is serum? a. Antibodies produced in response to a foreign antigen b. Fluid that circulates in the capillary bed c. Liquid component of the blood d. Plasma from which fibrinogen has been removed. 7. What can cause anemia? a. Decreased blood oxygen level b. Inadequate hemoglobin synthesis c. Increased blood osmolarity d. Increased erythropoietin level 8. Which characteristic is associated with normal erythrocytes? a. Biconcave shape b. High number of mitochondria c. Lack of intracellular proteins d. Mitotically active. 9. Which ion is critical for the synthesis of hemoglobin? a. Calcium b. Iron c. Potassium d. Sodium 10. Which property of blood is defined as the resistance to flow due to particle cohesiveness? a. Osmolarity b. pH c. Surface tension d. Viscosity 11. All the functions of albumin EXCEPT? a. Immune defense b. Maintenance of osmolarity c. pH buffering of plasma d. Solute transport 12. All below are produced by hemopoietic stem cells (HSC) EXCEPT? a. Blood platelets b. Fibrinogen c. Red blood cells d. White blood cells 13. One heme group can bind to one oxygen. Therefore, what is the maximum number of oxygen molecules that one hemoglobin can carry? a. 1 b. 2 c. 3 d. 4 14. All below are examples of leukocytes EXCEPT? a. Eosinophils b. Lymphocytes c. Monocytes d. Platelets 15. Which of the following would directly affect blood viscosity? a. Dehydration b. Increased hematocrit c. Increased platelet production d. Protein deficiency? 16. Which term refers to the contribution of protein to the osmotic pressure of the blood? a. Blood hydrostatic pressure b. Colloid osmotic pressure c. Diastolic pressure d. Systolic pressure 17. When hypoxemia is detected, erythropoietin is secreted by the kidneys and liver, and the rate of erythropoiesis accelerates. What is this an example of? a. Cascade reaction b. Hemostasis c. Negative feedback control d. Positive feedback control 18. Which protein transports Fe2+ from the stomach to the small intestine? a. Ferritin b. Gastroferritin c. Myoglobin d. Transferrin 19. Which is a possible consequence of anemia? a. Decreased blood pH b. Hypoxia c. Increased blood osmolarity d. Increased blood viscosity 20. Which characteristic is shared by all leukocytes? a. Concentration in the blood b. Presence of a nucleus c. Size of the cell d. Type of cytoplasmic granule 21. Which is a function of platelets? a. Present phagocytized antigens on their membranes b. Promote clotting and also initiate dissolution of clots c. Release factors that attract RBCs d. Release vasodilators 22. Platelets contain all below EXCEPT? a. Granules b. Lysosomes c. Mitochondria d. Nucleus 23. _______________ involve? a. _________________ b. _________________ c. Vascular spasms d. All of the above 24. What is coagulation? a. A long-term mechanism that triggers fibrin production b. A short-lived mechanism in which the damaged vessel dilates, increasing the amount of clotting agents c. A short-lived mechanism in which the damaged vessel narrows to minimize blood ions d. The response of a capillary network to changing carbon dioxide levels 25. What is the main goal of coagulation? a. Collagen retraction b. Conversion of fibrinogen into fibrin c. Release of chemotaxic compounds d. Release of oxygen by the RBCs 26. What is the first procoagulant that the extrinsic and intrinsic pathways have in common? a. Factor X b. Hageman factor c. Prothrombin activator d. Thromboplastin 27. All of the following statements regarding coagulation are true EXCEPT? a. In most cases of bleeding, both the extrinsic and intrinsic mechanisms work simultaneously to contribute to hemostasis. b. It takes about 30 minutes for a clot to form by the extrinsic pathway c. The extrinsic mechanism requires fewer steps to activate factor X d. The extrinsic mechanism requires less time to form a blood clot compared to the intrinsic mechanism. 28. What are the lymphatic system's main functions? a. Immunity, absorption of lipids, fluid recovery b. Immunity, absorption of proteins, fluid recovery c. Immunity, absorption of proteins, lipid recovery d. Vitamin D synthesis, absorption of lipids, fluid recovery 29. What is the body's largest lymphatic organ? a. Axillary lymph node b. Pharyngeal tonsil c. Spleen d. Thymus 30. All below are secondary lymphoid organs EXCEPT? a. Lymph nodes b. Red bone marrow c. Spleen d. Thymus e. Tonsils 31. Where does hemopoiesis occur? a. Lymph nodes b. Red bone marrow c. Thymus d. Yellow bone marrow 32. Which is a function of lymph nodes? a. Destruction of red blood cells b. Filtration of blood c. Site of B and T cell activation d. Site of B and T cell development 33. Both lymphatic tissues and lymphatic organs have distinct connective tissue capsules surrounding them. a. True b. False 34. Which line of defense consists of external barriers? a. First b. Second c. Third 35. Which proteins found in blood are involved in the nonspecific defense against pathogens? a. Albumin b. Collagen c. Complement d. Fibrin 36. Which leukocyte transforms into a macrophage when it moves from the blood into the tissues? a. B cell b. Dendritic cell c. Monocyte d. Neutrophil e. NK cell 37. Which describes a neutrophil? a. Bilobed nucleus, lacking cytoplasmic granules b. Multi-lobed nucleus with cytoplasmic granules c. Multi-lobed nucleus, lacking cytoplasmic granules d. Single large nucleus, lacking cytoplasmic granules e. Single large nucleus, with cytoplasmic granules 38. Redness, heat, swelling, and pain are signs that accompany which process? a. Circulatory shock b. Edema c. Fever d. Inflammation 39. What does hyperemia result from? a. Chemotaxis b. Diapedesis c. Vasoconstriction d. Vasodilation 40. Histamine increases the numbers of leukocytes arriving at an injured area by causing which of the following? a. Breakdown of histaminase b. Bronchoconstriction c. Increased gastric secretion d. Vasodilation. 41. What is the third line of defense against pathogens? a. External barriers b. Leukocytes, antimicrobial proteins, fever, and inflammation c. Specific defenses 42. Where do B lymphocytes mature? a. Blood b. Red bone marrow c. Spleen d. Thymus e. Yellow bone marrow 43. All cells below function as antigen-presenting cells EXCEPT? a. B cells b. Dendritic cells c. Macrophages d. NK cells 44. Which cell produces antibodies? a. Macrophage b. Neutrophil c. Plasma cell d. T cell 45. A person is given an attenuated smallpox virus and develops resistance. This is an example of? a. Artificial active immunity b. Artificial passive immunity c. Natural active immunity d. Natural passive immunity 46. Cellular immunity is mediated mainly by T cells, while humoral immunity is mediated mainly by B cells.

Maitreya E.

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