Applied Pathophysiology A Conceptual Approach 4th Edition by Judi Nath TEST BANK/QBANK

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AppliedPathophysiology q




A ConceptualApproach4thE dition
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ByJudiNath,CarieBraun
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Applied PathophysiologyAConceptualApproach to the
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Mechanisms of Disease 4th Edition Braun Test Bank
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Chapter 1Introduction to Pathophysiology
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, 1. Thenucleusq q q which is essential for function and survival of
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thecell.
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A) is the site of protein synthesis
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B) contains the genetic code q V qV qV q




C) transforms cellular energy qV q V q




D) initiates aerobic metabolism q V q V q




2. Although energy is notmade in mitochondria they are known as the power
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plants of the cell because they:
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A) contain RNAfor protein synthesis. qV q V qV q




B) utilizeglycolysisforoxidativeenergy. q




C) extractenergy fromorganic compounds. q V V
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D) store calcium bondsfor muscle contractions.
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3. Although the basic structure of the cell plasma membrane is formed by a lipid
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V bilayer most of the specific membrane functions are carried out by: A) bound
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qV and transmembrane proteins.
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B) complex long carbohydrate chains. qV q V qV q




C) surface antigens and hormonereceptors. D) q V q V qV q q a gating systemof
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qV selective ion channels. 4. To effectivelyrelaysignals cell-to-cell
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qV communicationutilizeschemical q




messenger systems that:
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A) displace surfacereceptor proteins. Vq q V q




B) accumulatewithin cellgap junctions. q V qV q




C) bind to contractilemicrofilaments.
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D) release secretions into extracellular q V q V V q V
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5. Aerobic metabolism alsoknown as oxidative metabolism provides
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energyby:
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A) removing the phosphate bonds fromATP. qV q V qV q V q




B) combining hydrogen andoxygen to form qV qV qV V q V
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C) activatingpyruvate stored in the cytoplasm. q V q V qV Vq q

,D) breaking down glucose to form lactic acid. q V q V qV V
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6. Exocytosis the reverse of endocytosis is important in
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extracellular fluid.
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A) Engulfing and ingestingfluid andproteins for transport q V q V V
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B) Killing degrading and dissolvingharmfulmicroorganisms qV qV q V q




C) Removing cellular debris and qV qV V q qV releasingsynthesized substances V
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D) Destruction of particles by lysosomal enzymes for secretion q V q V qV qV q V V
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7. Theprocess responsible forgenerating and conducting membrane potentials
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is: A) diffusion of current-carrying ions.
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B) millivoltage of electrical potential. qV qV q V q




C) polarization ofcharged particles. V q q V q




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 of layers. Which of thefollowing is a correctly matched
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description and type of epithelial tissue?
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A) Simple epithelium: cells in contact with intercellular matrix; some do qV q V qV qV qV q V qV q V V q V




not
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extend to surface
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B) Stratified epithelium: single layerof cells; all cells rest on basement qV q V qV qV qV qV q V qV V
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membrane
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C) Glandular epithelium: arise from surface epithelia and underlying q V qV qV qV q V qV V
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connective tissue
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D) Pseudostratified epithelium: multiple layers of cells; deepest layer rests qV V
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on basement membrane
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9. Connective tissue contains fibroblasts that are
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B) synthesis of collagen elastin and reticular q V Vq q V qV V q qV fibers. q




C) forming tendons and the fascia that covers qV q V qV qV qV V q qV muscles. q




D) filling spaces between tissues to keep organs in place.
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10. Although all muscle tissue cells have some similarities smooth muscle (also
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, V known as involuntary muscle) differs by:
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A) having densebodies attached to actin filaments. qV qV q V Vq q V q




B) containing sarcomeresbetween Z lines and M bands. q V qV qV qV qV qV q




C) having rapid contractions and abundantcross-striations. qV qV V
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D) contracting in response to increased intracellular calcium. qV q V q V V
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11. Which of the following aspectsof the function of thenucleus is performed by
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ribosomal RNA (rRNA)?
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A) Copying and carrying DNA instructions for protein synthesis Vq qV qV b Vq Vq qV q




B) Carrying amino acids to the site of q V qV qV V
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C) Providing the site where protein synthesisoccurs qV q V V q qV qV q




D) Regulating and controlling protein synthesis q V qV qV qV q




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 q




B) Golgi apparatus q V q




C) Ribosomes q




D) Endoplasmic reticulum (ER) q V q V q




13. Impairment in thefunction of peroxisomes would result in:A)
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qV inadequate sites for protein synthesis. qV q V q V q V q




B) an inability to transport cellularproducts
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C) insufficientenergyproduction within acell. V
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D) accumulation of free radicals in the cytoplasm. q V qV qV 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 sperm have decreased motility a
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finding that is thought to underlie the couples inability to becomepregnant.
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Which of the following cellular components may be defective within the
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mans sperm?
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A) Ribosomes q




B) Microtubules q