, UNDERSTANDING PATHOPHYSIOLOGY f#
7TH EDITION TEST BANK
f# f# f# f#
Chapter f#1. f#Cellular f#Biology
MULTIPLE f#CHOICE
1. A f#student f#is f#observing f#a f#cell f#under f#the f#microscope. f#It f#is f#observed f#to f#have
f# supercoiled f#DNA#w
f ith f#histones. f#Which f#of f#the f#following f#would f#also f#be f#observed f#by
f# the f#student?
a. A f#single f#circular f#chromosome
b. A f#nucleus
c. Free-floating f#nuclear f#material
d. No f#organelles
ANS: f#B
The f#cell f#described f#is f#a f#eukaryotic f#cell, f#so f#it f#has f#histones f#and f#a f#supercoiled
f# DNA f#within f#its#nf ucleus; f#thus, f#the f#nucleus f#should f#be f#observed.
A f#single f#circular f#chromosome f#is f#characteristic f#of f#prokaryotic f#cells, f#which f#do f#not f#have
f#histones.
Free-floating f#nuclear f#material f#describes f#a f#prokaryotic f#cell, f#which f#would f#not f#have f#a
f# distinct#nf ucleus.
Eukaryotic f#cells f#have f#membrane f#bounded f#cellular f#components f#called f#organelles. f#No
,f# organelles#df escribes f#a f#prokaryotic f#cell.
2. A f#nurse f#is f#instructing f#the f#staff f#about f#cellular f#functions. f#Which f#cellular f#function f#is
f# the f#nurse#df escribing f#when f#an f#isolated f#cell f#absorbs f#oxygen f#and f#uses f#it f#to f#transform
f# nutrients f#to f#energy?
a. Metabolic f#absorption
b. Communication
c. Secretion
d. Respiration
, ANS: f#D
The f#ability f#of f#the f#cell f#to f#absorb f#oxygen f#refers f#to f#the f#cells f#function f#of f#respiration.
The f#ability f#of f#the f#cell f#to f#function f#within f#a f#society f#of f#cells f#refers f#to f#its
f# function f#of#cf ommunication.
The f#ability f#of f#the f#cell f#to f#take f#in f#nutrients f#refers f#to f#the f#cells f#function f#of f#metabolic
f#absorption.
The f#ability f#of f#the f#cell f#to f#synthesize f#new f#substances f#and f#secrete f#these f#elsewhere f#refers
f# to f#the f#cells#ff unction f#of f#secretion.
3. A f#eukaryotic f#cell f#is f#undergoing f#DNA f#replication. f#In f#which f#region f#of f#the f#cell
f# would f#most f#of#tf he f#genetic f#information f#be f#contained?
a. Mitochondria
b. Ribosome
c. Nucleolus
d. Nucleus
ANS: f#C
The f#region f#of f#the f#cell f#that f#contains f#genetic f#material, f#including f#a f#large f#amount f#of
f# ribonucleic#af cid, f#most f#of f#the f#DNA, f#and f#DNA-binding f#proteins, f#is f#the f#nucleolus.
The f#mitochondria f#is f#the f#site f#of f#cellular f#respiration.
The f#ribosomes f#are f#involved f#in f#manufacturing f#of f#proteins f#within f#the f#cell.
The f#nucleus f#contains f#the f#nucleolus, f#and f#it f#is f#the f#nucleolus f#that f#contains f#genetic f#material.
4. The f#fluid f#mosaic f#model f#for f#biologic f#membranes f#describes f#membrane f#behavior.
f# According f#to#tf his f#model, f#which f#of f#the f#following f#float f#singly f#or f#as f#aggregates f#in f#the
f# fluid f#lipid f#bilayer?
a. Peripheral f#membrane f#proteins
b. Integral f#membrane f#proteins
7TH EDITION TEST BANK
f# f# f# f#
Chapter f#1. f#Cellular f#Biology
MULTIPLE f#CHOICE
1. A f#student f#is f#observing f#a f#cell f#under f#the f#microscope. f#It f#is f#observed f#to f#have
f# supercoiled f#DNA#w
f ith f#histones. f#Which f#of f#the f#following f#would f#also f#be f#observed f#by
f# the f#student?
a. A f#single f#circular f#chromosome
b. A f#nucleus
c. Free-floating f#nuclear f#material
d. No f#organelles
ANS: f#B
The f#cell f#described f#is f#a f#eukaryotic f#cell, f#so f#it f#has f#histones f#and f#a f#supercoiled
f# DNA f#within f#its#nf ucleus; f#thus, f#the f#nucleus f#should f#be f#observed.
A f#single f#circular f#chromosome f#is f#characteristic f#of f#prokaryotic f#cells, f#which f#do f#not f#have
f#histones.
Free-floating f#nuclear f#material f#describes f#a f#prokaryotic f#cell, f#which f#would f#not f#have f#a
f# distinct#nf ucleus.
Eukaryotic f#cells f#have f#membrane f#bounded f#cellular f#components f#called f#organelles. f#No
,f# organelles#df escribes f#a f#prokaryotic f#cell.
2. A f#nurse f#is f#instructing f#the f#staff f#about f#cellular f#functions. f#Which f#cellular f#function f#is
f# the f#nurse#df escribing f#when f#an f#isolated f#cell f#absorbs f#oxygen f#and f#uses f#it f#to f#transform
f# nutrients f#to f#energy?
a. Metabolic f#absorption
b. Communication
c. Secretion
d. Respiration
, ANS: f#D
The f#ability f#of f#the f#cell f#to f#absorb f#oxygen f#refers f#to f#the f#cells f#function f#of f#respiration.
The f#ability f#of f#the f#cell f#to f#function f#within f#a f#society f#of f#cells f#refers f#to f#its
f# function f#of#cf ommunication.
The f#ability f#of f#the f#cell f#to f#take f#in f#nutrients f#refers f#to f#the f#cells f#function f#of f#metabolic
f#absorption.
The f#ability f#of f#the f#cell f#to f#synthesize f#new f#substances f#and f#secrete f#these f#elsewhere f#refers
f# to f#the f#cells#ff unction f#of f#secretion.
3. A f#eukaryotic f#cell f#is f#undergoing f#DNA f#replication. f#In f#which f#region f#of f#the f#cell
f# would f#most f#of#tf he f#genetic f#information f#be f#contained?
a. Mitochondria
b. Ribosome
c. Nucleolus
d. Nucleus
ANS: f#C
The f#region f#of f#the f#cell f#that f#contains f#genetic f#material, f#including f#a f#large f#amount f#of
f# ribonucleic#af cid, f#most f#of f#the f#DNA, f#and f#DNA-binding f#proteins, f#is f#the f#nucleolus.
The f#mitochondria f#is f#the f#site f#of f#cellular f#respiration.
The f#ribosomes f#are f#involved f#in f#manufacturing f#of f#proteins f#within f#the f#cell.
The f#nucleus f#contains f#the f#nucleolus, f#and f#it f#is f#the f#nucleolus f#that f#contains f#genetic f#material.
4. The f#fluid f#mosaic f#model f#for f#biologic f#membranes f#describes f#membrane f#behavior.
f# According f#to#tf his f#model, f#which f#of f#the f#following f#float f#singly f#or f#as f#aggregates f#in f#the
f# fluid f#lipid f#bilayer?
a. Peripheral f#membrane f#proteins
b. Integral f#membrane f#proteins
