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

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Robbins Basic Pathology 10th Edition Kymar Abbas Test Bank QUESTIONS
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& ANSWERS
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Chaptero1.oTheoCelloasoaoUnitoofoHealthoandoDisease
1 The nucleus o


, which is essential for function and s
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urvival of the cell.o o o



A) is the site of protein synthesis o o o o o



B) contains the genetic code o o o



C) transforms cellular energy o o



D) initiates aerobic metabolism o o



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



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



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 for
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med by a lipid bilayer, most of the specific membrane functions
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are carried out by:
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A) bound and transmembrane proteins. o o o



B) complex, long carbohydrate chains. o o o



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 tha
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t:
A) displace surface receptor proteins. o o o



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



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, pr
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ovides energy by: o o



A) removing the phosphate bonds from ATP. o o o o o



B) combining hydrogen and oxygen to form water. o o o o o o




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



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. o o o



A) Engulfing and ingesting fluid and proteins for trans o o o o o o o


port
B) Killing, degrading, and dissolving harmful microor o o o o o


ganisms
C) Removing cellular debris and releasing synthesize
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d substances
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D) Destruction of particles by lysosomal enzymes f o o o o o o


or secretion
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7 The process responsible for generating and conducting memb
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rane potentials is:
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A) diffusion of current-carrying ions. o o o



B) millivoltage of electrical potential. o o o



C) polarization of charged particles. o o o



D) ion channel neurotransmission.
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8 Epithelial tissues are classified according to the shape of the cell
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s 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 interce
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llular matrix; some do not extend to surface
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B) Stratified epithelium: single layer of cells; all ce
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lls rest on basement membrane
o o o o



C) Glandular epithelium: arise from surface epithe
o o o o o


lia and underlying connective tissue
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D) Pseudostratified epithelium: multiple layers of o o o o o


cells; deepest layer rests on basement membran
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e
9 Connective tissue contains fibroblasts that are responsible for:
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A) providing a fibrous framework for capillaries. o o o o o



B) synthesis of collagen, elastin, and reticular fiber
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s.
C) forming tendons and the fascia that covers muscles.
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D) filling spaces between tissues to keep organs in pla
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ce.
10 Although all muscle tissue cells have some similarities, smo
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oth muscle (also 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 bando o o o o o o


s.
C) having rapid contractions and abundant cross-
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striations.
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D) contracting in response to increased intracellula o o o o o


r calcium.
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11 Which of the following aspects of the function of the nucleus is p
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erformed by ribosomal RNA (rRNA)?
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A) Copying and carrying DNA instructions for o o o o o o


protein synthesis o