EDPATHOPHYSIOLOGY 9TH EDITION

McCance and Huether’s, Pathophysiology:The Biologic Basis

for Disease in Adults and Children, 9TH

ED(PATHOPHYSIOLOGY 9TH EDITION)

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RATED

Chapter 1: Cellular Biology

MULTIPLE CHOICE

• Which statement best describes the cellular function of metabolic absorption?
• Cells can produce proteins. c. Cells can take in and use nutrients.
• Cells can secrete digestive enzymes. d. Cells can synthesize fats.

ANS: C

In metabolic absorption, all cells take in and use nutrients and other substances from their surroundings. The remaining options are not inclusive in their descriptions of cellular metabolic absorption.

PTS: 1 REF: Page 2

• Most of a cell’s genetic information, including RNA and DNA, is contained in the:
• Mitochondria c. Nucleolus
• Ribosome d. Lysosome

ANS: C

The nucleus contains the nucleolus, a small dense structure composed largely of RNA, most of the cellular DNA, and the DNA-binding proteins, such as the histones, which regulate its activity. The other options do not contain most of a cell’s genetic information.

PTS: 1 REF: Page 2

• Which component of the cell produces hydrogen peroxide (HNURSINGTB.COM 2O2) by

using oxygen to remove hydrogen atoms from specific substrates in an oxidative reaction?

• Lysosomes c. Ribosomes
• Peroxisomes d. Oxyhydrosomes

ANS: B

Peroxisomes are so named because they usually contain enzymes that use oxygen to remove hydrogen atoms from specific substrates in an oxidative reaction that produces

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