Understanding Pathophysiology 7th Edition Test Bank| Chapter 1 to Chapter 40, Questions & answers, Latest 2020.

Understanding Pathophysiology 7thEdition Test BankChapter 1. Cellular BiologyMULTIPLE CHOICE1. A student is observing a cell under the microscope. It is observed to have supercoiled DNA with histones. Which of the following would also be observed bythe student?a.A single circular chromosomeb.A nucleusc.Free-floating nuclear materiald.No organellesANS: BThe cell described is a eukaryotic cell, so it has histones and a supercoiled DNA within its nucleus; thus, the nucleus should be observed.A single circular chromosome is characteristic of prokaryotic cells, which do not have histones.Free-floating nuclear material describes a prokaryotic cell, which would not have a distinct nucleus.Eukaryotic cells have membrane bounded cellularcomponents called organelles. No organelles describes a prokaryotic cell.2. A nurse is instructing the staff about cellular functions. Which cellular function is the nurse describing when an isolated cell absorbs oxygen and uses it to transform nutrientsto energy?a.Metabolic absorptionb.Communicationc.Secretiond,