,
, TEST BANK FOR dt dt
McCance & Huether’s Pathophysiology The Biologic Basis for Disease in Adults and Childre
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n 9th Edition by Julia Rogers
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Chapter 1-49 dt
Chapter 01: Cellular Biology
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Rogers: McCance & Huether’s Pathophysiology, 9th Edition
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MULTIPLE CHOICE dt
1. Which statement best describes the cellular function of metabolic absorption?
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a. Cells can produce proteins. dt dt dt
b. Cells can secrete digestive enzymes. dt dt dt dt
c. Cells can take in and use nutrients. dt dt dt dt dt dt
d. Cells can synthesize fats. dt dt dt
ANS: C d t
In metabolic absorption, all cells take in and use nutrients and other substances from their surro
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undings. The remaining options are not inclusive in their descriptions of cellular metabolic abs
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orption.
DIF: Cognitive Level: Remembering dt dt
2. Where is most of a cell’s genetic information, including RNA and DNA, contained?
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a. Mitochondria
b. Ribosome
c. Nucleolus
d. Lysosome
ANS: C d t
The nucleus contains the nucleolus, a small dense structure composed largely of RNA, most of
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the cellular DNA, and the DNA-
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binding proteins, such as the histones, which regulate its activity. The mitochondria are respon
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sible for cellular respiration and energy production.
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Ribosomes’ chief function is to provide sites for cellular protein synthesis. Lysosomes function
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as the intracellular digestive system.
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DIF: Cognitive Level: Remembering dt dt
3. Which component of the cell produces hydrogen peroxide (H2O2) by using oxygen to remove h
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ydrogen atoms from specific substrates in an oxidative reaction?
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a. Lysosomes
b. Peroxisomes
c. Ribosomes
d. Endosome
ANS: B d t