Robbins Basic Pathology 10th Edition Test Bank – 100% Verified Answers for All Chapters | Student Consult

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Robbins Basic Pathology 10th Edition Kymar Abbas Test Bank QUESTIO
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NS & ANSWERS
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ChapterM1.MTheMCellMasMaMUnitMofMHealthMandMDisease
1 The nucleus M


, which is essential for function an
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d survival of the cell.
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A) is the site of protein synthesis M M M M M



B) contains the genetic code M M M



C) transforms cellular energy M M



D) initiates aerobic metabolismM M



2 Although energy is not made in mitochondria, they are know
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n as the power plants of the cell because they:
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A) contain RNA for protein synthesis. M M M M



B) utilize glycolysis for oxidative energy. M M M M




C) extract energy from organic compounds.
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D) store calcium bonds for muscle contractions.
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3 Although the basic structure of the cell plasma membrane is f
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ormed by a lipid bilayer, most of the specific membrane func
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tions are carried out by:
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A) bound and transmembrane proteins. M M M



B) complex, long carbohydrate chains.
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C) surface antigens and hormone receptors.
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D) a gating system of selective ion channels.
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4 To effectively relay signals, cell-to-
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cell communication utilizes chemical messenger systems t
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hat:
A) displace surface receptor proteins. M M M



B) accumulate within cell gap junctions. M M M M



C) bind to contractile microfilaments.
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D) release secretions into extracellular fluid.
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5 Aerobic metabolism, also known as oxidative metabolism,
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provides energy by:
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A) removing the phosphate bonds from ATP. M M M M M



B) combining hydrogen and oxygen to form wat
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er.
C) activating pyruvate stored in the cytoplasm.
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D) breaking down glucose to form lactic acid.
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6 Exocytosis, the reverse of endocytosis, is important in
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into the extracellular fluid.
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A) Engulfing and ingesting fluid and proteins for tra M M M M M M M


nsport
B) Killing, degrading, and dissolving harmful micro
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organisms
C) Removing cellular debris and releasing synthesiz
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ed substances
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D) Destruction of particles by lysosomal enzymes
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Mfor secretion
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7 The process responsible for generating and conducting me
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mbrane potentials is:
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A) diffusion of current-carrying ions. M M M



B) millivoltage of electrical potential. M M M



C) polarization of charged particles. M M M



D) ion channel neurotransmission.
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8 Epithelial tissues are classified according to the shape of the c
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ells and the number of layers. Which of the following is a co
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rrectly matched description and type of epithelial tissue?
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A) Simple epithelium: cells in contact with inter
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cellular matrix; some do not extend to surface
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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 epit
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helia and underlying connective tissue
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D) Pseudostratified epithelium: multiple layers of M M M M


Mcells; deepest layer rests on basement membr
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ane
9 Connective tissue contains fibroblasts that are responsible for:
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A) providing a fibrous framework for capillaries. M M M M M



B) synthesis of collagen, elastin, and reticular fib
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ers.
C) forming tendons and the fascia that covers muscl
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es.
D) filling spaces between tissues to keep organs in p
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lace.
10 Although all muscle tissue cells have some similarities, sm
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ooth muscle (also known as involuntary muscle) differs by:
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A) having dense bodies attached to actin filament
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s.
B) containing sarcomeres between Z lines and M ba
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nds.
C) having rapid contractions and abundant cross-
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Mstriations.
D) contracting in response to increased intracellu
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lar calcium.M



11 Which of the following aspects of the function of the nucleus
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is performed by ribosomal RNA (rRNA)?
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A) Copying and carrying DNA instructions fo M M M M M


r protein synthesis M M