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Test Bank for Understanding Pathophysiology 7th Edition by Huether, McCance, and Brashers | Complete Solution | Grade A+ $17.99
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Test Bank for Understanding Pathophysiology 7th Edition by Huether, McCance, and Brashers | Complete Solution | Grade A+
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Test Bank for Understanding Pathophysiology 7th Edition by Huether, McCance, and Brashers | Complete Solution | Grade A+

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  • October 23, 2024
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est Updated Examination Study Guide 2022
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est Updated Examination Study Guide 2022
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Understanding Pathophysiology 7th edition by Huether, McCance Test Bank7 7 7 7 7 7 7 7




Chapter 1. Cellular Biology 7 7 7




MULTIPLE CHOICE 7




1. A student is observing a cell under the microscope. It is observed to have supercoiled DNA wit
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h histones. Which of the following would also be observed by the student?
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a. A single circular chromosome
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b. A nucleus 7




c. Free-floating nuclear material 7 7




d. No organelles 7




ANS: B 7




The cell described is a eukaryotic cell, so it has histones and a supercoiled DNA within its nucleus;
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thus, the nucleus should be observed.
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A single circular chromosome is characteristic of prokaryotic cells, which do not have histones.
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Free-
floating nuclear material describes a prokaryotic cell, which would not have a distinct nucleus.
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Eukaryotic cells have membrane bounded cellular components called organelles. No organelles de
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scribes a prokaryotic cell. 7 7 7




2. A nurse is instructing the staff about cellular functions. Which cellular function is the nurse de
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scribing when an isolated cell absorbs oxygen and uses it to transform nutrients to energy?
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a. Metabolic absorption 7




b. Communication
c. Secretion
d. Respiration

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est Updated Examination Study Guide 2022
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ANS: D 7




The ability of the cell to absorb oxygen refers to the cells function of respiration.
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The ability of the cell to function within a society of cells refers to its function of communication.
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The ability of the cell to take in nutrients refers to the cells function of metabolic absorption.
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The ability of the cell to synthesize new substances and secrete these elsewhere refers to the cells functio
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n of secretion.
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3. A eukaryotic cell is undergoing DNA replication. In which region of the cell would most of the
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7 genetic information be contained?
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a. Mitochondria
b. Ribosome
c. Nucleolus
d. Nucleus


ANS: C 7




The region of the cell that contains genetic material, including a large amount of ribonucleic acid,
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most of the DNA, and DNA-binding proteins, is the nucleolus.
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The mitochondria is the site of cellular respiration.
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The ribosomes are involved in manufacturing of proteins within the cell.
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The nucleus contains the nucleolus, and it is the nucleolus that contains genetic material.
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4. The fluid mosaic model for biologic membranes describes membrane behavior. According to th
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is model, which of the following float singly or as aggregates in the fluid lipid bilayer?
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a. Peripheral membrane proteins 7 7




b. Integral membrane proteins 7 7

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est Updated Examination Study Guide 2022
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c. Glycoproteins
d. Cell adhesion molecules 7 7




ANS: B 7




Integral membrane proteins float freely in the fluid lipid bilayer.
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Peripheral membrane proteins are not embedded in the layer, but reside at the surface. Glycoprotei
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ns act as cell surface markers.
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Cell adhesion molecules are on the outside of the membrane and allow cells to hook together.
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5. Which of the following can bind to plasma membrane receptors?
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a. Oxygen
b. Ribosomes
c. Amphipathic lipids 7




d. Ligands


ANS: D 7




Ligands are specific molecules that can bind with receptors on the cell membrane. Oxygen
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7 moves by diffusion; it does not bind to receptors.
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Ribosomes make proteins and are not involved in binding.
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Amphipathic lipids are a portion of the cell membrane. 7 7 7 7 7 7 7 7




6. A nurse is reviewing a report from a patient with metastatic cancer. What finding would su
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pport the diagnosis of metastatic cancer? Alterations in extracellular matrix that include:
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a. Decreased fibronectin 7




b. Increased collagen 7




c. Decreased elastin 7

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