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Understanding Pathophysiology 7th Edition Test Bank by Sue E. Huether , Kathryn L. McCance All Chapters (1-44)

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Understanding Pathophysiology 7th Edition Test Bank by Sue E. Huether , Kathryn L. McCance All Chapters (1-44) | A+ ULTIMATE GUIDE

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Understanding Pathophysiology 7th edition by Huether, McCance Test Bank
y y y y y y y y



All well solved complete (questions and answers) solution in this test bank
y y y y y y y y y y y y

,Chapter 1. Cellular Biology
y y y




MULTIPLE CHOICE y




1. Astudent is observinga cellunder the microscope. It is observed to have supercoiled DNA
y y y y y y y y y y y y



with histones. Which of the following would also be observed by the student?
y y y y y y y y y y y y y




a. Asingle circular chromosome y y




b. A nucleus y




c. Free-floatingnuclear material y




d. No organelles y




ANS: B y




The cell described is a eukaryotic cell, so it has histones and a supercoiled DNAwithin its
y y y y y y y y y y y y y y y



nucleus; thus, the nucleus should be observed.
y y y y y y y




Asingle circular chromosome is characteristic ofprokaryotic cells, which do not have histones.
y y y y y y y y y y y




Free-floating nuclear materialdescribes a prokaryotic cell, which would not have a distinct
y y y y y y mi mi y y y



nucleus.
y




Eukaryotic cells have membrane bounded cellular components called organelles. No organelles
y y y y mi y y y y y



describes a prokaryotic cell.
y y y y




2. A nurse is instructing the staff about cellular functions. Which cellular function is the nurse
y y y m y y y y y mi y y y y



describing when an isolated cell absorbs oxygen and uses it to transform nutrients to energy?
y y y y y y y y y y y y y y y




a. Metabolic absorption y




b. Communication
c. Secretion
d. Respiration

,ANS: D y




The abilityof the cell to absorb oxygen refers to the cells function of respiration.
y y y y y y y y y y y y y




The abilityof the cell to function within a societyofcells refers to its function of communication.
y y y y y y y y y y y y y y




The abilityof the cell to take in nutrients refers to the cells function of metabolic absorption.
y y y y y y y y y y y y y y y y




The abilityofthe cell to synthesize new substances and secrete these elsewhere refers to the cells
y y y y y y y y y y y y y y



y function of secretion. y y




3. Aeukaryotic cell is undergoing DNA replication. In which region ofthe cellwould most of
y y y y y y y y y y y y



y the genetic information be contained?
y y y y




a. Mitochondria
b. Ribosome
c. Nucleolus
d. Nucleus


ANS: C y




The regionofthe cellthat contains genetic material, including a large amount of ribonucleic acid,
y y y y y y mi y y y mi y



y most of the DNA, and DNA-binding proteins, is the nucleolus.
y y y y y y y y y




The mitochondria is the site ofcellular respiration.
y y y y y y




The ribosomes are involved in manufacturing ofproteins within the cell.
y y y y y y y mi y




Thenucleus contains the nucleolus, and it is the nucleolus that contains genetic material.
y y y y y y y y y y y y y




4. The fluid mosaic modelfor biologic membranes describes membrane behavior. According to
y y y y y y y y y mi




this model, which of the following float singly or as aggregates in the fluid lipid bilayer?
y y y y y y y y y y y y y y y y




a. Peripheralmembrane proteins y




b. Integral membrane proteins y y

, c. Glycoproteins
d. Cell adhesion molecules
y y




ANS: B y




Integralmembrane proteins float freely in the fluid lipid bilayer.
y y y y mi y y y




Peripheralmembrane proteins are not embedded in the layer, but reside at the surface.
y y y y y y y y y y y y




y Glycoproteins act as cell surface markers. y y y y y




Cell adhesion molecules are onthe outside ofthe membrane and allow cells to hooktogether.
y y y y y y y y y y y y




5. Whichofthe following can bind to plasma membrane receptors?
y y y y y y y




a. Oxygen
b. Ribosomes
c. Amphipathic lipids y




d. Ligands


ANS: D y




Ligands arespecific molecules that can bind withreceptorsonthe cell membrane. Oxygen
y y y y y y y y y




y moves by diffusion; it does not bind to receptors.
y y y y y y y y




Ribosomes makeproteinsand arenot involved in binding.
y y y y mi




Amphipathic lipids are a portion of the cell membrane.
y y y y y y y y y




6. Anurse is reviewing areport from a patient with metastatic cancer. What finding would
y y y y mi y y y y y y y



y support thediagnosis ofmetastatic cancer? Alterations in extracellular matrix that include:
y y y y y mi y y y




a. Decreased fibronectin y




b. Increased collagen y




c. Decreased elastin mi

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