Robbins Basic Pathology 10th Edition Kymar Abbas Test Bank (Questions and Answers Grade A +)

Robbins Basic Pathology 10th Edition KymarAbbas Test Bank
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Chapter 1. The Cell as a Unit of Health and Disease
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1 The nucleus c ,which is essential forfunction and
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survival of the cell.
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A) is the site of protein synthesis
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B) contains the genetic code c c c




C) transformscellularenergy c c




D) initiatesaerobic metabolism c c




2 Although energy isnot made in mitochondria, they are known as
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the power plants of the cell because they:
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A) containRNAfor protein synthesis. c c c c




B) utilizeglycolysisforoxidativeenergy. c c c c




C) extractenergyfromorganic compounds. c c c c




D) storecalciumbondsfor muscle contractions.
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3 Although the basic structure of the cell plasma membrane is
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formed by a lipid bilayer, most of the specific membrane
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functions are carried out by:
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A) boundandtransmembraneproteins. c c c




B) complex,longcarbohydratechains. c c c




C) surfaceantigens andhormonereceptors. c c c c




D) agating systemof selective ion channels.
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4 Toeffectivelyrelaysignals,cell-to-cellcommunication
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utilizes chemical messenger systems that:
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A) displacesurfacereceptorproteins. c c c




B) accumulate within cell gapjunctions. c c c c




C) bind to contractile microfilaments.
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D) releasesecretionsintoextracellularfluid. c c c c

,5 Aerobic metabolism, also known as oxidative metabolism,
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provides energy by:
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A) removingthephosphatebondsfromATP. c c c c c




B) combining hydrogen and oxygentoform water. c c c c c c




C) activating pyruvate stored in the cytoplasm. c c c c c




D) breaking down glucose to formlactic acid. c c c c c c




6 Exocytosis,the reverseofendocytosis,is importantin
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into the extracellular fluid.
c c c




A) Engulfing and ingesting fluid and proteins for c c c c c c




transport
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B) Killing,degrading,anddissolvingharmful c c c c




microorganisms
c




C) Removingcellulardebrisandreleasing synthesized c c c c c




substances
c




D) Destruction ofparticles bylysosomal enzymes for c c c c c c




secretion
c




7 The process responsible forgenerating and conducting
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membrane potentials is:
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A) diffusionofcurrent-carryingions. c c c




B) millivoltageofelectricalpotential. c c c




C) polarizationofchargedparticles. c c c




D) ion channel neurotransmission.
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8 Epithelial tissues are classified according to the shape of the cells
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and the number of layers. Which of the following is a correctly
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matched description and type of epithelial tissue?
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A) Simple epithelium: cells in contact with
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intercellular matrix; some do not extend to
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surface
c

,B) Stratified epithelium: single layer of cells; all
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cells rest on basement membrane
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C) Glandular epithelium: arise from surface c c c c




epitheliaandunderlying connectivetissue
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D) Pseudostratifiedepithelium: multiplelayersof c c c c




cells; deepest layer rests on basement membrane
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9 Connectivetissuecontainsfibroblasts thatareresponsiblefor:
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A) providing afibrousframework forcapillaries. c c c c c




B) synthesis of collagen, elastin,and reticular fibers.
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C) forming tendons and the fascia that covers muscles.
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D) filling spaces between tissues to keep organs in place.
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10 Although all muscle tissue cells have some similarities,
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smooth muscle (also known as involuntary muscle) differs by:
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A) havingdensebodiesattached toactin filaments.
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B) containing sarcomeres between Zlines and M bands. c c c c c c c




C) having rapid contractions and abundant cross-
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striations.
c




D) contracting inresponsetoincreased intracellular c c c c c




calcium.
c




11 Which of the following aspects of the function of the nucleus is
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performed by ribosomal RNA (rRNA)?
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A) Copyingand carryingDNAinstructions for protein c c c c c c




synthesis c

, B) Carrying amino acids to the site of protein synthesis c c c c c c c c




C) Providing thesite whereprotein synthesis occurs c c c c c c




D) Regulatingandcontrolling proteinsynthesis c c c c




12 Breakdown and removal of foreign substancesand worn-out cell
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parts are performed by which of the following organelles?
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A) Lysosomes
B) Golgiapparatus c




C) Ribosomes
D) Endoplasmicreticulum(ER) c c




13 Impairment in the function ofperoxisomes would result in:
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A) inadequatesitesforproteinsynthesis. c c c c




B) an inabilityto transport cellularproducts across
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the cell membrane.
c c c




C) insufficientenergyproductionwithinacell. c c c c c




D) accumulation of free radicals in the cytoplasm. c c c c c c




14 After several months of trying to conceive, a couple is
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undergoing fertility testing. Semen analysis indicates that the
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mans sperm have decreased motility, a finding that is thought to
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underlie the couples inability to become pregnant. Which of the
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following cellular components may be defective within the mans
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sperm?
c




A) Ribosomes
B) Microtubules
C) Mitochondria
D) Microfilaments