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TEST BANK for: Understanding Pathophysiology, 7th Edition by Sue E. Huether - Chapters 1-44, 9780323639088 | Rationals Included| full & complete $20.49
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TEST BANK for: Understanding Pathophysiology, 7th Edition by Sue E. Huether - Chapters 1-44, 9780323639088 | Rationals Included| full & complete TEST BANK for: Understanding Pathophysiology, 7th Edition by Sue E. Huether - Chapters 1-44, 9780323639088 | Rationals Included| full & complete TEST BANK...
1. A student is observing a cell under the microscope. It is observed to have
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supercoiled DNAwith histones. Which of the following would also be observed by
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the student?
tekr tekr
a. A single circular chromosome tekr tekr tekr
b. A nucleus tekr
c. Free-floating nuclear material tekr tekr
d. No organelles tekr
ANS: B tekr
The cell described is a eukaryotic cell, so it has histones and a supercoiled DNA
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within itsnucleus; thus, the nucleus should be observed. A single circular
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chromosome called a prokaryote contains free-floating nuclear material but has no
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organelles.
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REF: t e k r p. 2 tekr
2. A nurse is instructing the staff about cellular functions. Which cellular function is the
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nurse describing when an isolated cell absorbs oxygen and uses it to transform
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nutrients to energy?
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a. Metabolic absorption tekr
b. Communication
c. Secretion
d. Respiration
ANS: NURSINGTB.COM
t D e k r
The cell’s ability to absorb oxygen is referred to as respiration while its communication
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4. Which of the following can remove proteins attached to the cell’s bilayer by
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tekr dissolving thelayer itself? tekr tekr tekr
a. Peripheral membrane proteins tekr tekr
b. Integral membrane proteins tekr tekr
c. Glycoproteins
d. Cell adhesion molecules tekr tekr
ANS: B tekr
Proteins directly attached to the membrane bilayer can be removed by the action of
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integralmembrane proteins that dissolve the bilayer. Peripheral membrane proteins
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reside at the surface while cell adhesion molecules are on the outside of the
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membrane. Glycoprotein marks cells and does not float.
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REF: t e k r p. 7 tekr
5. Which of the following can bind to plasma membrane receptors?
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a. Oxygen
b. Ribosomes
c. Amphipathic lipids tekr
d. Ligands
ANS: D tekr
Ligands are the only specific molecules that can bind with receptors on the cell
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membrane.
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REF: t e k r p. 9 tekr
6. A nurse is reviewing a report from a patient with metastatic cancer. What
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S N Twould suNOppoRrt thIe dG
alternation in theextracellularUmatrix
tekr iagnBo.
tekr siC
s ofM
metastatic
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tekr tekr tekr
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cancer?
tekr
a. Decreased fibronectin tekr
b. Increased collagen tekr
c. Decreased elastin tekr
d. Increased glycoproteins tekr
ANS: A tekr
Only a reduced amount of fibronectin is found in some types of cancerous cells,
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allowingthem to travel or metastasize.
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REF: t e k r p. 10 tekr
7. Which form of cell communication is used to relate to other cells in direct physical
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contact?
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a. Cell junction tekr
b. Gap junction tekr
c. Desmosome
d. Tight junction tekr
ANS: A tekr
Cell junctions hold cells together and permit molecules to pass from cell to cell.
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Gap junctions allow for cellular communication between cells. Neither desmosomes nor
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tightjunctions are associated with cellular communication.
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REF: t e k r p. 11 tekr
NURSINGTB.COM
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