Test Bank - Understanding Pathophysiology, 7th Edition (Huether, 2020), Chapter 1-44 | All Chapters

, UNDERSTANDING PATHOPHYSIOLOGY (r




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




Chapter 01: Cellular
n b n b n b Biology
Huether & McCance: Understanding Pathophysiology, 6th Edition
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MULTIPLE CHOICE n b




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



c. Free-floating nuclear material nb nb




d. No organelles nb




ANS: n b B
The cell described is a eukaryotic cell, so it has histones and a
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n b supercoiled DNA within itsnucleus; thus, the nucleus should be
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n b observed. A single circular chromosome called a prokaryote
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n b contains free-floating nuclear material but hasno organelles.
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REF: n b p. 2 n b




2. A n b nurse is instructing the staff about cellular functions. Which
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n b cellular function is the nurse describing when an isolated cell
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n b absorbs oxygen and uses it to transform(rnutrients to energy?
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,a. Metabolic absorption nb




b. Communication
c. Secretion
d. Respiration

ANS: n b D
The cell’s ability to absorb oxygen is referred to as respiration
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n b while its communication abilityinvolves maintenance of a steady
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n b dynamic state, metabolic(rabsorption provides nutrition, and secretion
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n b allows for the synthesizing of new substances.
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REF: n b p. 2 n b

, 3. A eukaryotic cell is undergoing DNA
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n b of the cell would(rmost ofthe genetic information be contained?
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a. Mitochondria
b. Ribosome
c. Nucleolus
d. Nucleus Cytoplasm nb




ANS: n b C
The region of the cell that contains genetic material, including a
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n b large amount of ribonucleicacid, most of the DNA, and DNA-binding
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n b proteins, is the nucleolus, which is located withinthe cell’s nucleus.
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n b Mitochondria is associated with cellular respiration, while ribosomes
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n b are involved with protein manufacturing. Cytoplasm is(ra fluid filling
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n b that is a component of the cell.
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REF: n b p. 2 n b