Test Bank for Understanding Pathophysiology 7th Edition by Huether, McCance, and Brashers

Test Bank For Huether & McCance: Understanding Pathophysiology, 7th Edition
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, UNDERSTANDING PATHOPHYSIOLOGY (r




7th EDITION HUETHER ( r
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CHAPTER 1-42 TEST BANK (r (r (r




Chapter 01: Cellular Biology
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Huether & McCance: Understanding Pathophysiology, 7th Edition
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MULTIPLE CHOICE b v




1. A student is observing a cell under the microscope. It is observed to have
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bv supercoiled DNAwith histones. Which of the following would also be observed b v b v b v b v b v b v b v b v b v bv




b v bythe student? b v




a. A single circular chromosome
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b. A nucleus b v




c. Free-floating nuclear material b v b v




d. No organelles b v




ANS: b v B
The cell described is a eukaryotic cell, so it has histones and a supercoiled DNA
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b v within itsnucleus; thus, the nucleus should be observed. A single circularb v b v b v b v b v b v b v b v b v bv




b v chromosome called a prokaryote contains free-floating nuclear material but has no b v b v b v b v b v b v bv b v b v




b v organelles.


REF: b v p. 2 b v




2. A nurse is instructing the staff about cellular functions. Which cellular function is
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b v the nurse describing when an isolated cell absorbs oxygen and uses it to
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bv transform nutrients to energy? (r b v b v

,a. Metabolic absorption b v




b. Communication
c. Secretion
d. Respiration

ANS: b v D
The cell’s ability to absorb oxygen is referred to as respiration while its
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bv communication abilityinvolves maintenance of a steady dynamic state,
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bv metabolic absorption provides nutrition, and secretion allows for the synthesizing of
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b v new substances. b v




REF: b v p. 2b v

, 3. A eukaryotic cell is undergoing DNA replication. In which region of the cell
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bv would most ofthe genetic information be contained?
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a. Mitochondria
b. Ribosome
c. Nucleolus
d. Nucleus Cytoplasm b v




ANS: b v C
The region of the cell that contains genetic material, including a large amount of
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b v ribonucleicacid, most of the DNA, and DNA-binding proteins, is the nucleolus, which b v b v b v b v b v b v b v b v b v bv b v




b v is located withinthe cell’s nucleus. Mitochondria is associated with cellular respiration,
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b v while ribosomes are involved with protein manufacturing. Cytoplasm is a fluid filling
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b v that is a component of the cell.
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REF: b v p. 2 b v