AppliedPathophysiology V
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AConceptualApproach4thEdition by
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Judi Nath, Carie Braun
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Complete Test Bank, All Chapters are included
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, Applied PathophysiologyAConceptualApproachto the FV FV V
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Mechanisms of Disease 4th Edition Braun Test Bank
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Chapter1Introduction to Pathophysiology
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1. The nucleus FV , which is essential for function and survivalofthe cell.
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A) is the site ofprotein synthesis
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B) containsthegenetic code FV FV FV
C) transforms cellular energy FV FV
D) initiates aerobic metabolism FV FV
2. Although energy is not made in mitochondria, they areknown as the power
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plants of the cell because they:
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A) contain RNA for protein synthesis. FV FV FV FV
B) utilizeglycolysis foroxidative energy.
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C) extractenergy from organic compounds. FV FV FV FV
D) storecalcium bonds for muscle contractions.
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3. Although the basic structure ofthe cell plasma membrane is formed by a lipid
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bilayer, most of the specific membrane functions are carried out by:
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A) boundand transmembrane proteins.
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B) complex,long carbohydratechains. V
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C) surfaceantigens andhormonereceptors. V
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D) a gating systemof selective ion channels.
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4. To effectively relay signals,cell-to-cellcommunicationutilizes chemical
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messenger systems that:
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A) displacesurface receptor proteins. V
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B) accumulatewithin cell gap junctions. V
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C) bindto contractile microfilaments.
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D) releasesecretions intoextracellular fluid.FV FV V
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5. Aerobicmetabolism, also knownasoxidative metabolism,provides energyby:
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,A) removing the phosphate bondsfromATP. FV FV FV V
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B) combining hydrogen and oxygento formwater. FV FV FV FV FV V
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C) activatingpyruvate stored in the cytoplasm. V
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D) breaking down glucose to form lactic acid. FV FV FV FV FV FV
6. Exocytosis, the reverse of endocytosis, is important in
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extracellular fluid.
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A) Engulfing and ingesting fluid and proteins for transport FV FV FV FV FV FV FV
B) Killing,degrading, anddissolvingharmfulmicroorganisms
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C) Removingcellulardebrisand releasing synthesized substances V
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D) Destructionofparticles by lysosomal enzymes for secretion V
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7. Theprocessresponsible forgenerating and conducting membranepotentialsis:
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A) diffusionofcurrent-carryingions. V
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B) millivoltageofelectrical potential. V
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C) polarization ofcharged particles. FV V
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D) ion channelneurotransmission.
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8. Epithelial tissues are classified according to the shape of the cells and the
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number oflayers. Which ofthe following isa correctly matched description and
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type of epithelial tissue?
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A) Simple epithelium: cells in contact with intercellular matrix; some do not
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extend to surface
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B) Stratified epithelium: single layer ofcells; all cells rest on basement
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membrane
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C) Glandular epithelium: arise from surface epithelia and underlying FV FV FV FV FV FV FV
connective tissue
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D) Pseudostratified epithelium: multiple layersofcells; deepest layer rests on FV FV FV FV FV FV FV FV FV
basement membrane
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9. Connectivetissue containsfibroblasts thatare responsible for:
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A) providing a fibrous framework for capillaries. FV FV FV FV FV
B) synthesis ofcollagen, elastin, and reticular fibers. FV V
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, C) forming tendons and the fascia that coversmuscles. FV FV FV FV FV FV V
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D) filling spacesbetween tissues tokeep organs in place.
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10. Although all muscle tissuecells havesome similarities, smooth muscle (also
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known as involuntary muscle) differs by:
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A) having dense bodies attached to actin filaments.
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B) containing sarcomeres between Z lines and M bands. FV FV FV FV FV FV FV
C) havingrapid contractions andabundantcross-striations.
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D) contractingin responseto increased intracellular calcium. V
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11. Which ofthe following aspects ofthe function of the nucleus is performed by
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ribosomal RNA (rRNA)?
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A) Copyingand carrying DNA instructions forprotein synthesis V
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B) Carrying amino acids to the site ofprotein synthesis FV FV FV FV FV FV FV FV
C) Providing the sitewhereprotein synthesis occurs FV FV V
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D) Regulatingandcontrollingprotein synthesis V
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12. Breakdown and removal of foreign substances and worn-out cell parts are
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performed by which of the following organelles?
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A) Lysosomes
B) Golgi apparatus FV
C) Ribosomes
D) Endoplasmicreticulum(ER) V
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13. Impairment in the function ofperoxisomeswould result in: FV FV FV FV V
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A) inadequatesites for protein synthesis. V
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B) aninability to transport cellular products across thecell membrane.
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C) insufficientenergyproduction within a cell. FV V
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D) accumulation offree radicals in the cytoplasm. FV V
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14. After several months of trying to conceive, a couple is undergoing fertility testing.
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Semen analysis indicates that the mans spermhave decreased motility, a finding
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that is thought to underlie the couples inability to become pregnant.
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