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57 Cards in this Set
- Front
- Back
Where do you find villi?
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Small intestine
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Does a peripheral nerve contain nerve cell bodies?
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NO
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The presence of intercalated disks is a distinguishing characteristic of:
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Cardiac Muscle
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Plicae circularis are found? Contain? increase what?
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in small intestine, contain many villi, increase surface area
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What do chief cells secrete?
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pepsinogen
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Germinal centers are sites of:
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B cell proliferation and differentiation in response to antigen stim
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The schwann cell is responsible for myelin production where?
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Peripheral nervous system
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Enteroendocrine cells are a diverse population of ________ producing cells.
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Hormone
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What part of the GUT is involved in the absorption of Water?
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Large intestine
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In the bone marrow, megakaryocytes produce:
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Platelets
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How do osteocytes in osteons communicate?
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Gap JXN in canaliculi
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What type of collagen would you expect to find in the submucosa of the LARGE intestine?
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Type IV and Laminin
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In bones, the difference between endosteum and periosteum is:
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Endosteum is a thinner and more delicate connective tissue that the periosteum
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In the spleen, lymphocytes are concentrated around the central arteries in which pulp?
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White
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What cells stimulate the vascular SM cells to contract?
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Endothelial cells
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The esophagus contains:
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well developed prominent muscularis mucosa
stratified squamous epithelium muscularis externa with smooth or skeletal muscle |
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What cells have rounded heterochromatic nucleus and very little cytoplasm?
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T-lymphocytes
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Enteroendocrine cells are found:
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Stomach
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Schwann cells produce
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Myelin
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What part of the gut has permanent plicae circulares in wall?
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Small intestine (Mainly the Jejunum)
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Where are the columnar epithelial cells of the Gut produced?
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Only in the Crypts of Lieberkuhn.
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What do enteroendocrine cells secrete?
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Gastrin
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Where is transitional epithelium found?
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Urinary system
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What region of the GUT contains more goblet cells per unit area?
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The LARGE INTESTINE
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Elastin is found where?
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aurical cartilage
tunica adventitia of large veins omentum epiglottis There are more |
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What do brunners glands secrete?
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Bicarbonate
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Which layer of the skin contains dividing cells?
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Stratum Germinativum
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What cells contain granules filled with heparin and histamine?
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Mast cells- basophils
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Osteoid is different from cartilage matrix because:
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Type II Collagen is found in cartilage as a resistance to pressure
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What segment of the Gut is more active in the absorption of nutrients?
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Small intestine
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Cardiac and muscle cells are both:
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Striated
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What do goblet cells secrete?
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Mucous
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A few Reticulocytes found in peripheral blood smear is good or bad?
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Within normal limits
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What layer of skin do you need to penetrate in order to see blood?
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Papillary dermis
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A basal lamina
A: is found only under epithelium B: is never discontinuous C: Is responsible for limiting the spread of cancer cells |
None of the above
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Elastin, fibrillin and type II collagen is found where?
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Elastic cartilage
(External ear, epiglottis, larynx) |
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Where do RBC's first enter the blood?
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Blood sinuses of the bone marrow
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What is osteoid?
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Uncalcified bone matrix secreted from osteoblasts
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Regenreation of skeltal muscle occurs by?
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Mitosis of muscle satellite cells
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Which capilarries start as blind ended tubes?
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Those of the lymphatic system
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The last region of cartilage to disappear in endochondrial bone formation is:
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Epiphyseal plate
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Sarcomeres are constructed by?
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Fibroblasts
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Skeletal muscles have how many nuclei?
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MANY
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How do muscle cells exert a force on bones?
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Integrins that span the surface membrane and interact with fibrous molecules in the extracellular matrix
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Stratifed squamous epithelium is so named in spite of the fact that:
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all of the cell layers are NOT Squamous
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What do cartilage cells know that we would like to understand?
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How to create conditions that inhibit ingrowth of blood vessels
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What is fenestration?
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windows or holes
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Smooth muscle is simlar to skeletal muscle because:
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Use myosin in contractile aparatus
Incapable of cell division Contain T-tubules CONTRAST: mononucleated |
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What type of adipose tissure is the most common form in the body?
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Unilocular
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Osteoclasts are ______nucleated cells from what precursor?
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Multinucleated from blood monocytes
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Can schwann cells surround multiple axons without producing a myelin sheath?
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Yes
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What type of muscle cells are branched with more than one nucleus?
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Cardiac muscle cells
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OF the following, which has a direct blood supply?
hyaline cartilage, upper layers of stratified squamous, osteocytes in outer lamellae of osteons, superficial layer of Dermis, elastic cartilage |
the superficial layer of the dermis
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What cells in the intima of B.V.'s are actively involved in controlling blood clotting?
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Endothelial cells
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What is the order of lymph flow throught the sinus of a lymph node?
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Subcapsular --> Peritrabecular --> medullary
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What is the primary function of B-cells?
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Synthesis and secretion of Ig's
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What is the predominant cell type in the connective tissue proper?
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Fibroblasts
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