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Test Bank for Robbins Basic Pathology 10th Edition by Vinay Kumar, Abul K. Abba & Jon C. Aster 9780323353175 Chapter 1-24 | Complete Guide A+$14.99
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, Robbins Basic Pathology 10th Edition Kymar Abbas Test Bank
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Chapter 1. The Cell as a Unit of Health and Disease
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1 The nucleus
k , which is essential for function and
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survival of the cell.
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A) is the site of protein synthesis k k k k k
B) contains the genetic code k k k
C) transforms cellular energy k k
D) initiates aerobic metabolism k k
2 Although energy is not made in mitochondria, they are known
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as the power plants of the cell because they:
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A) contain RNA for protein synthesis. k k k k
B) utilize glycolysis for oxidative energy.
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C) extract energy from organic compounds. k k k k
D) store calcium bonds for 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) bound and transmembrane proteins. k k k
B) complex, long carbohydrate chains. k k k
C) surface antigens and hormone receptors. k k k k
D) a gating system of selective ion channels.
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4 To effectively relay signals, cell-to-cell communication
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utilizes chemical messenger systems that:
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A) displace surface receptor proteins. k k k
B) accumulate within cell gap junctions. k k k k
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. k k k k k
B) combining hydrogen and oxygen to form water. k k k k k k
C) activating pyruvate stored in the cytoplasm.k k k k k
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 k k k k k k k
transport
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B) Killing, degrading, and dissolving harmful
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microorganisms
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C) Removing cellular debris and releasing k k k k k
synthesized substances
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D) Destruction of particles by lysosomal enzymes k k k k k
for secretion
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7 The process responsible for generating and conducting
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membrane potentials is:
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A) diffusion of current-carrying ions. k k k
B) millivoltage of electrical potential. k k k
C) polarization of charged particles. k k k
D) ion channel neurotransmission.
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8 Epithelial tissues are classified according to the shape of the
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cells and the number of layers. Which of the following is a
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correctly 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
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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 surfacek k k k k
epithelia and underlying connective tissue
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D) Pseudostratified epithelium: multiple layers of k k k k
cells; deepest layer rests on basement
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membrane
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9 Connective tissue contains fibroblasts that are responsible for:
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A) providing a fibrous framework for capillaries.
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B) synthesis of collagen, elastin, and reticular
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fibers.
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C) forming tendons and the fascia that covers
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muscles.
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D) filling spaces between tissues to keep organs in
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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
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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 k k k k k k
bands.
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C) having rapid contractions and abundant cross-
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striations.
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D) contracting in response to increased k k k k
intracellular calcium.
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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) Copying and carrying DNA instructions for k k k k k k
protein synthesis k k
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