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Question

Lymph is filtered by the
-spleen
-lymph nodes
-liver
-thymus gland
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The lymphatic organs produce
-lymph nodes
-lymphatic tissue
-lymphocytes
-erythrocytes
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Week 11 A&P

QuestionAnswer
Lymph is filtered by the -spleen -lymph nodes -liver -thymus gland lymph nodes
The lymphatic organs produce -lymph nodes -lymphatic tissue -lymphocytes -erythrocytes lymphocytes
The purpose of he lymphatic system is to -fight against cancer -fight against chronic diseases -fight against infection -fight against inflammation fight against infection
Fluid that is clear, watery and contains protein molecules, salts, and other substances is called -blood plasma -intercellular fluid -intracellular fluid -lymphatic fluid intercellular fluid
The lymphatic system is made up of lymphatic vessels were lymph flows in only one direction towards -spleen -liver -lymph nodes -heart heart
The T cell is considered -messenger -transmitter -communicator -receiver communicator
Millions of B cells can release millions of -antibodies -antigens -T Cells -leukocytes antibodies
What is the function of the spleen? -tissue repair -hematopoiesis -blood reservoir -all of the above -tissue repair -hematopoiesis -blood reservoir
The ingestion and destruction of microorganisms or other small particles is called -pinocytosis -exocytosis -apedesis -phagocytosis phagocytosis
Lymphocytes that kill many types of tumor cells and cells infected by different kinds of viruses are known as -phagocytes -leukocytes -natural killer cells -macrophages natural killer cells
The functions of the lymph nodes are -defense and hemostasis -defense and diapedesis -defense and hematopoiesis -hematopoiesis and hemostasis defense and hematopoiesis
____ refers to a phenomenon in which the genetic characteristics common to particular kind of organism provide defense against certain pathogens -inflammatory response -antigen resistance -immunity resistance -species resistance species resistance
The ___ postulates that when an antigen enters the body, it selects the clone whose cells are committed to synthesizing its specific antibody and stimulates these cells to proliferate and thereby produce more antibodies clonal selection theory
The lymph pressure gradient is established by -breathing movements -skeletal muscle contractions -parasympathetic stimulation -both A and B A and B
The presentation of an antigen by an antigen-presenting cell activates the T cell. Then divides repeatedly to form a clone of identical sensitized T cells that form -effector T cells and cytokines -effector T cells and memory cells -memory cells and c effector T cells and memory cells
The movement of phagocytes from blood vessels to an inflammation site is called -phagocytosis -pavementing -diapedesis -apodosis diapedesis
The ability of our immune system to attack abnormal or foreign cells but spare our own normal cells is called: -innate immunity -nonspecific immunity -self-tolerance -adaptive immunity self-tolerance
Activities that result in central movement or flow of lymph are called -lymph mechanisms -lymphokinetic activities -lymphatic activities -none of the above lymphokinetic activities
Recognition of antigens by antibodies occur when an -antibody attaches to the target cell's antigen binding site -antigen's epitopes fit into and bind to an antigen molecule's antigen-binding site antigen's epitopes fit into and bind to an antigen molecule's antigen-binding site
Which of the following is a powerful poison that actives directly on any cell and quickly kills it -cytotoxin -phagotoxin -lymphotoxin -granulotoxin lymphotoxin
The functions of the lymphatic system include -transporting interstitial fluid back to the bloodstream -providing immunological defenses -transporting absorbed fats from the intestine to the blood -houses and develops lymphocytes -All of the above -transporting interstitial fluid back to the bloodstream -providing immunological defenses -transporting absorbed fats from the intestine to the blood -houses and develops lymphocytes
Which organ has several functions, including defense, hematopoiesis, red blood cell and platelet destruction, and blood reservoir? -thymus -thyroid -spleen -thalamus Spleen
___ is the only antibody class with the ability to cross placental barrier, providing passive immunity to the developing fetus during pregnancy -IgE -IgG -IgM -IgA IgG
Complement can best be described as an -enzyme in blood -lymphokine -antibody -hormone enzyme in blood
Chemotaxis is the process by which a cell navigates toward the source of chemotactic factor by way of -detecting and then moving toward higher concentrations of the factor -detecting and then moving toward lower concentrations of the factor detecting and then moving toward higher concentrations of the factor
The function of which antibody is basically unknown -IgE -IgD -IgM -IgA IgD
During the residence in the thymus, pre-T cells develop into ___, cells that proliferate as rapidly as any in the body -cytotoxic T cells -antigen-presenting cells -thymocytes -memory T cells thymocytes
Antibodies are proteins of the family called -glucoproteins -immunoglobulins -globulins -antigens immunoglobulins
Hassall corpuscles are part of the -thymus -spleen -tonsils -thoracic duct thymus
Lymph ducts empty into the circulatory system, draining into the -jugular vein -subclavian veins -superior vena cava -inferior vena cava subclavian veins
Cisterna chyli: -originates in the right lymphatic duct -originates in the thoracic duct -is the storage area for hormones made by thymus gland -filters the chyle coming from the small intestine originates in the thoracic duct
Which substance can destroy pathogens by lowering the pH to a level at which they cannot function -mucus -hydrochloric acid -enzymes -sebum hydrochloric acid
An infection in the thumb may result in enlargement of the ___ nodes. -submental -inguinal -superficial cervical -superficial cubital superficial cubital
The primary organ of the lymphatic system is the -thalamus -thyroid -thymus -spleen thymus
About half of the lymph flowing through the thoracic duct comes from the: -liver -small intestine -spleen -A and B are correct A and B
Masses of lymphoid tissue located in a protective ring under the mucous membranes in the mouth and the back of the throat are called -lymphatic capillaries -lymph nodes -tonsils -anastomses tonsils
Each cortical nodule is composed of packed lymphocytes that surround a less dense area called a -germ center -trabecula -lymph node -germinal center germinal center
Lymph from the entire body, except the upper right quadrant, drains eventually into the thoracic duct True
The size of lymph nodes varies from ___ mm to more than ____ mm in diameter -10: 35 -1; 20 -20; 45 -30; 65 1; 20
Because T cells attack pathogens more directly, T-cell immune mechanisms are classified as ____ immunity. -antibody-mediated -cell-mediated -nonspecific -none of the above cell-mediated
The lymphatic system, like the circulatory system, is a closed circut False
The type of immune mechanism that provides a general defense by acting against anything recognized as "not self" is called -specific immunity -nonspecific immunity -autoimmune -none of the above nonspecific immunity
Lacteals: -drain into the right lymphatic duct -are the lymphatics in the villi of the small intestines -are able to absorb fat from the digestive system - B and C are correct B and C are correct
A type of blood cell produced by lymph nodes is called an -eosinophil -erythrocyte -neutrophil -monocyte monocyte
The main difference between the composition of lymph and interstitial fluid and the composition of plasma is the ___PERCENTAGE OF ____ in lymph and interstitial fluid -higher; proteins -lower; proteins -lower; fats -higher; fats lower; proteins
Which of the following is not a lymph organ -thymus -spleen -pancreas -tonsils pancreas
The internal environment of the human body is protected by the ___, which is referred to as the first line of defense -connective tissue -white blood cells -muscle tissue -skin skin
During their residence in the thymus, pre-T cells develop into ___, cells that proliferate as rapidly as any in the body -cytotoxic T cells -antigen-presenting cells -thymocytes -memory T cells thymocytes
Lymphatics resemble veins except that lymphatics: -have tinner walls -contain more valves -contain lymph nodes located at certain intervals along their course -all of the above are correct all of the above are correct
The lymph nodes located in the groin are called the -axillary lymph nodes -inguinal lymph nodes -submaxillary group -submental group inguinal lymph nodes
The breast- the mammary gland and surrounding tissue- is drained by the lymphatics that originate in and drain in the: - skin over the breast with the exception of the areola/nipple -the substance of the breast itself, skin of areola/nipple -Both -Non Both
The tonsils located near the posterior opening of the nasal cavity are called the __ tonsils -palatine -pharyngeal -lingual -laryngeal pharyngeal
Lymph capillaries called lacteals are located in the -spleen -liver -thymus -small intestine small intestine
The spleen is located in the ___ region -right hypochondriac -left hypochondriac -epigastric -left lumbar left hypochondriac
The lymph nodes located just above the bend of the elbow are called the __ lymph nodes -inguinal -axillary -supratrochlear -superficial cervical supratrochlear
Adaptive immunity, part of the body's third line of defense, is orchestrated by two different classes of a type of white blood cell called the -leukocyte -macrophange -lymphocyte -phagocyte lymphocyte
Interferon inhibits the spread of -virus -bacteria -cancer -Both A and C -Both B and C Both A and C
 

 



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