BIO202 RIO MID Term Word Scramble
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Question | Answer |
Excess tissue fluid. | Edema |
All reticular lymphoid organs are composed of reticular connective tissue except? | Thymus |
Large isolated clusters of lymphoid follicles, structurally similar to tonsils, that are located in the wall of the distal portion of small intestine | Peyer's Patches |
Lymph nodes, spleen and tonsils. | Lymphoid Organs |
These types of cells differentiate in the thymus. | T Cells |
Cells that recognize antigens and produce plasma cells. | B Cells |
The lighter-staining center of a lymphoid follicles. | Germinal Centers |
Receives lymph drainage from the digestive organs. | Cisterna Chyli |
Internal portion of a lymph gland where cells are arranged in a cordlike fashion. | Medulla |
Lymph exits the convex side of the lymph node through a number of these vessels. | Afferent Lymphatic Vessels |
Lymph exits the convex side of the lymph node through a number of these vessels. | Efferent Lymphatic Vessels |
Small organs associated with lymphatic vessels are termed: | Lymph nodes |
The distal portion of the small intestine contains clumps of lymph follicles called: | Peyer's patches |
The thymus is most active during: | Childhood |
The lymphatic capillaries are: | More permeable than blood capillaries |
Lymph leaves a lymph node via: | Efferent lymphatic vessels |
By secreting hormones, the thymus causes what cells to become immunocompetent? | Lymphocytes |
When the lymphatics are blocked due to tumors, the result is: | Severe localized edema distal to the blockage |
What is a bubo? | An infected lymph node |
The lymph tissues found within the walls of the small intestine are called: | Peyer's patches |
Particularly large clusters of lymph nodes occur in all of the following locations except the: | Lower extremities |
Digestive tract-associated lymphatic tissue includes all of the following except: | Islets of Langerhans |
Functions of the lymphatic system include: | Transport of excess tissue fluid to the blood vascular system |
The tonsils located at the base of the tongue are the: | Lingual tonsils |
Which of the following is not a normal component of lymph? | Red blood cells |
A sentinel node is: | The first node to receive lymph from an area suspected to be cancerous |
Select the correct statement about lymph transport. | Lymph transport depends on the movement of adjacent tissues, such as skeletal muscles |
Select the correct statement about lymphocytes. | B cells produce plasma cells, which secrete antibodies in to the blood |
Select the correct statement about lymphoid tissue. | Lymphoid tissue is predominately reticular connective tissue |
A ring of lymphoid tissue that appears as a swelling of the mucosa in the oral cavity is called a(n): | Tonsil |
Blood enters which of these vessels during ventricular systole? | Aorta and pulmonary arteries |
The tricuspid valve is closed: | When the ventricle is in systole |
The second heart sound is heard during which phase of the cardiac cycle? | Isovolumetric relaxation |
Stenosis of the mitral valve may initially cause a pressure increase in the: | Pulmonary circulation |
If we were able to artificially alter the membrane permeability of pacemaker cells so that sodium influx is more rapid: | Slow calcium channels in the pacemaker tissue would be cycling at a greater rate |
Which of the following are involved directly in pulmonary circulation? | Right ventricle, pulmonary artery, and left atrium |
Histologically, the _________ is squamous epithelium supported by a sparse connective tissue layer. | Tunica intima (interna) |
A thrombus (blood clot) in the first branch of the arch of the aorta would affect the flow of blood to the: | Right side of the head and neck and right upper arm |
Cerebral blood flow is regulated by: | Intrinsic autoregulatory mechanisms |
A patient with essential hypertension might have pressures of 200/120 mm Hg. This hypertensive state could result in all of the following changes except: | Decreased size of the heart muscle |
This wave indicates depolarization of the atria just before atrial contraction. | P Wave |
A double walled fibrous sac that encloses the heart. | Pericardium |
The largest lymphatic vessels are called | Ducts |
Lymph collecting or pooling from the lower extremities would first pool in the _____before moving up. | Cisterna Chili |
The ____- are the simplest lymphoid organs and are found at the entrance of the pharynx | Tonsils |
The appendix, tonsils, and Peyer’s patches collectively are called _____. | MALT |
Highly specialized lymph capillaries called _____ are present in the villi of the intestinal mucosa. | Lacteals |
The thoracic duct of the lymphatic system empties into the _____. | Subclavian Vein |
Lymph nodes have more_____ lymphatic vessels than ____ lymphatic vessels. | Afferent, Efferent |
Tonsils have blind-ended structure called______. | Crypts |
Lymphatic _____ are formed from the union of the largest collecting vessels. | Trunks |
Stores Blood Platelets | Speen |
Protein containing fluid within the lymphatic vessels. | Lymph |
Receives lymph from most of the body. | Thoracic Duct |
Isolated clusters of lymph follicles found in the wall of the small intestine. | Peyer's Patches |
Small organs intimately associated with lymphatic vessels. | lymph nodes |
First line of defense | Skin and mucous membranes |
Second line of defense | Inflammatory response |
Third line of defense | Immune response |
Nonspecific defense system | Inflammatory response and skin and mucous membranes |
Specific defense system | Immune response |
Area where B cells become immunocompetent. | bone marrow |
Area where T cells become immunocompetent. | thymus |
Area where activated immunocompetent B and t cells recirculate. | blood and lymph |
Area seeded by immunocompetent B and T cells. | lymph nodes, spleen and other lymph tissues |
Area where antigen challenge and clonal selection are most likely to occur. | lymph nodes, spleen and other lymph tissues |
The process whereby neutrophils and other white blood cells are attracted to the inflammatory site is called: | Chemotaxis |
Which of the following is not a function of the inflammatory response? | replaces injured tissue with connective tissue |
Which of the following is characteristic of antibodies? | composed of heavy and light polypeptide chains |
B lymphocytes develop immunocopetence in the: | Bone Marrow |
Which of the following is not a type of T cell? | Antigenic |
Immunological memory | response that recognizes and mounts an attack on antigens previously encountered |
Specificity | ability to distinguish between closely related antigens |
Recognition of self from non-self | ability to recognize proteins on own tissue cells as self and not attack them |
Autoimmune disease | an inability of the immune system to recognize self, resulting in attack of self cells by the immune system |
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christopherdietrich
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