TEST BANK FOR Understanding Pathophysiology, 8th Edition by Sue E. Huether, Kathryn L. McCance, ISBN:9780323937283 COMPLETE GUIDE ALL CHAPTERS COVERED WITH RATIONALES 100% VERIFIED A+ GRADE ASSURED!!!!!NEW LATEST UPDATE!!!!!

,
,Understanding Pathophysiology 8th edition by Huether, McCance Test Bank cn cn c n c n c n c n c n c n




Chapter 1. Cellular Biology cn cn cn




MULTIPLE CHOICE cn




1. A student is observing a cell under the microscope. It is observed to have supercoiled DNA
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with histones. Which of the following would also be observed by the student?
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a. A single circular chromosome
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b. A nucleus cn




c. Free-floating nuclear material cn cn




d. No organelles cn




ANS: B cn




The cell described is a eukaryotic cell, so it has histones and a supercoiled DNA within its nucle
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us; thus, the nucleus should be observed.
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A single circular chromosome is characteristic of prokaryotic cells, which do not have histones.
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Free-
floating nuclear material describes a prokaryotic cell, which would not have a distinct nucleus.
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Eukaryotic cells have membrane bounded cellular components called organelles. No organelles d
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escribes a prokaryotic cell. cn cn cn




2. A nurse is instructing the staff about cellular functions. Which cellular function is the nurse
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describing when an isolated cell absorbs oxygen and uses it to transform nutrients to energy?
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a. Metabolic absorption cn




b. Communication
c. Secretion
d. Respiration

, ANS: D cn




The ability of the cell to absorb oxygen refers to the cells function of respiration.
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The ability of the cell to function within a society of cells refers to its function of communication
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.

The ability of the cell to take in nutrients refers to the cells function of metabolic absorption.
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The ability of the cell to synthesize new substances and secrete these elsewhere refers to the cells func
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tion of secretion.
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3. A eukaryotic cell is undergoing DNA replication. In which region of the cell would most of t
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he genetic information be contained?
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a. Mitochondria
b. Ribosome
c. Nucleolus
d. Nucleus


ANS: C cn




The region of the cell that contains genetic material, including a large amount of ribonucleic acid
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, most of the DNA, and DNA-binding proteins, is the nucleolus.
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The mitochondria is the site of cellular respiration.
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The ribosomes are involved in manufacturing of proteins within the cell.
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The nucleus contains the nucleolus, and it is the nucleolus that contains genetic material.
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4. The fluid mosaic model for biologic membranes describes membrane behavior. According to t
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his model, which of the following float singly or as aggregates in the fluid lipid bilayer?
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a. Peripheral membrane proteins cn cn




b. Integral membrane proteins cn cn