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Test Bank For Understanding Pathophysiology 7th Edition
Test Bank For Understanding Pathophysiology 7th Edition
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, UNDERSTANDING PATHOPHYSIOLOGY (r7th EDITION HUETHER
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CHAPTER 1-42 TEST BANK (r (r (r
Chapter 01: Cellular Biology
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Huether & McCance: Understanding Pathophysiology, 6th Edition
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MULTIPLE CHOICE r
1. A student is observing a cell under the microscope. It is observed to
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r havesupercoiled DNAwith histones. Which of the following would also be
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r observed bythe student? r r
a. A single circular chromosome
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b. A nucleus r
c. Free-floating nuclear material r r
d. No organelles r
ANS: B r
The cell described is a eukaryotic cell, so it has histones and a
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r supercoiledDNA within itsnucleus; thus, the nucleus should be observed. Ar r r r r r r r r r
r single circular chromosome called a prokaryote contains free-floating nuclear
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r material but hasno organelles. r r r
REF: p. 2 r r
2. A nurse is instructing the staff about cellular functions. Which cellular
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r function is the nurse describing when an isolated cell absorbs oxygen
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r anduses it to transform(rnutrients to energy?
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,a. Metabolic absorption r
b. Communication
c. Secretion
d. Respiration
ANS: D r
The cell’s ability to absorb oxygen is referred to as respiration while
r r r r r r r r r r r
r itscommunication abilityinvolves maintenance of a steady dynamic
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r state,metabolica
(r bsorption provides nutrition, and secretion allows for the
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r synthesizing of new substances. r r r
REF: p. 2 r r
, 3. A eukaryotic cell is undergoing DNA replication. In which region of the cell
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wouldm
r ost ofthe genetic information be contained?
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a. Mitochondria
b. Ribosome
c. Nucleolus
d. Nucleus Cytoplasm r
ANS: C r
The region of the cell that contains genetic material, including a large
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r amount of ribonucleicacid, most of the DNA, and DNA-binding proteins, is
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r the nucleolus, which is located withinthe cell’s nucleus. Mitochondria is
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r associatedwith cellular respiration, while ribosomes are involved with protein
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r manufacturing. Cytoplasm is(ra fluid filling that is a component of the cell.
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REF: p. 2 r r
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