Applied Pathophysiology :A Practical Guide for Nursing and Healthcare

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,Test Bank: Applied Pathophysiology for the Advanced Practice Nurse 2nd Edition
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Dlugasch Story
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Chapter 1 Cellular Function
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1. The nucleus
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cell.
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A) is the site of protein synthesis
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B) contains the genetic code vr vr vr




C) transforms cellular energy vr vr




D) initiates aerobic metabolism vr vr




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




B) utilize glycolysis for oxidative energy.
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C) extract energy from organic compounds. vr vr vr vr




D) store calcium bonds for muscle contractions.
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3. Although the basic structure of the cell plasma membrane is formed by a
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lipid bilayer, most of the specific membrane functions are carried out
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by:
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A) bound and transmembrane proteins. vr vr v r




B) complex, long carbohydrate chains. vr vr vr




C) surface antigens and hormone receptors. vr vr vr vr




D) a gating system of selective ion channels.
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4. To effectively relay signals, cell-to-cell communication utilizes
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chemicalmessenger systems that:
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A) displace surface receptor proteins. vr vr vr

, B) accumulate within cell gap junctions. vr vr vr vr




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, provides
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energyby:
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A) removing the phosphate bonds from ATP. vr vr vr vr vr




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




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




D) breaking down glucose to form lactic acid. vr vr vr vr vr vr




6. Exocytosis, the reverse of endocytosis, is important in
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extracellular fluid.
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A) Engulfing and ingesting fluid and proteins for transport vr vr vr vr vr vr vr




B) Killing, degrading, and dissolving harmful microorganisms
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C) Removing cellular debris and releasing synthesized substances
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D) Destruction of particles by lysosomal enzymes for secretion vr vr vr vr vr vr vr




7. The process responsible for generating and conducting membrane
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potentialsis:
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A) diffusion of current-carrying ions. vr vr vr




B) millivoltage of electrical potential. vr vr vr




C) polarization of charged particles. vr vr vr




D) ion channel neurotransmission.
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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 the following is a correctly matched
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descriptionand type of epithelial tissue?
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A) Simple epithelium: cells in contact with intercellular matrix; some do not
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extend to surface
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