Answerdone.com
TEST BANK FOR
0# 0#
Porth's Essentials of Pathophysiology 5th edition
0# 0# 0# 0# 0#
by Tommie L Norris
0# 0# 0#
,Answerdone.com
1. Chapter 1 0#
Although the basic structure of the cell plasma membrane is formed by a lipid bilayer, mos
0# 0# 0# 0# 0# 0# 0# 0# 0# 0# 0# 0# 0# 0# 0#
t ofthe specific membrane functions are carried out by:
0# #
0 0# 0# 0# 0# 0# 0# 0#
A) Bound and transmembrane proteins
0# 0# 0#
B) Complex, long carbohydrate chains 0# 0# 0#
C) Surface antigens and hormone receptors
0# 0# 0# 0#
D) A gating system of selective ion channels
0# 0# 0# 0# 0# 0#
Ans: A 0#
Feedback:
The functions of plasma membrane depend on the presence of proteins that are bound in the li
0# 0# 0# 0# 0# 0# 0# 0# 0# 0# 0# 0# 0# 0# 0# 0#
pidbilayer and some that have the ability to pass freely into and out of the cell.
#
0 0# 0# 0# 0# 0# 0# 0# 0# 0# 0# 0# 0# 0# 0# 0#
Carbohydrate chains form a cell coat that surrounds the membrane and that contain surface
0# 0# 0# 0# 0# 0# 0# 0# 0# 0# 0# 0# 0# 0
antigens and surface hormone receptors. Some ion channels are gated and open only when
# 0# 0# 0# 0# 0# 0# 0# 0# 0# 0# 0# 0# 0# 0
themembrane potential changes significantly.
# #
0 0# 0# 0#
2. Which describes the function of the nucleus?
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A) It is basically the site of protein synthesis in the body.
0# 0# 0# 0# 0# 0# 0# 0# 0# 0#
B) It contains the genetic code for the individual.
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C) It is the transformer of cellular energy.
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D) It initiates the process of aerobic metabolism.
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Ans: B 0#
Feedback:
The nucleus contains DNA, which contains the genetic code that contains the information that
0# 0# 0# 0# 0# 0# 0# 0# 0# 0# 0# 0# 0#
controls cells. Ribosomes synthesize protein. Mitochondria transform organic compounds int
0# 0# 0# 0# 0# 0# 0# 0# 0# 0#
o cellular energy. Mitochondria require oxygen for aerobic metabolism, using hydrogen and c
0# 0# 0# 0# 0# 0# 0# 0# 0# 0# 0# 0#
arbon combined with oxygen molecules to form carbon dioxide and water as energy is release
0# 0# 0# 0# 0# 0# 0# 0# 0# 0# 0# 0# 0# 0#
d.
3. Which of the following aspects of the function of the nucleus is performed by riboso
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malRNA (rRNA)?#
0 0#
,Answerdone.com
A) Copying and carrying DNA instructions for protein synthesis
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B) Carrying amino acids to the site of protein synthesis
0# 0# 0# 0# 0# 0# 0# 0#
C) Providing the site where protein synthesis occurs 0# 0# 0# 0# 0# 0#
D) Regulating and controlling protein synthesis 0# 0# 0# 0#
Ans: C 0#
Feedback:
There are three types of ribonucleic acid (messenger RNA, ribosomal RNA, and transfer RN
0# 0# 0# 0# 0# 0# 0# 0# 0# 0# 0# 0# 0#
A)that move to the cytoplasm and carry out the actual synthesis of proteins.
#
0 0# 0# 0# 0# 0# 0# 0# 0# 0# 0# 0# 0#
Messenger RNA (mRNA) copies and carries the DNA instructions for protein synthesis to
0# 0# 0# 0# 0# 0# 0# 0# 0# 0# 0# 0# 0#
thecytoplasm; ribosomal RNA (rRNA) is the site of protein synthesis; and transfer RNA (t
#
0 0# 0# 0# 0# 0# 0# 0# 0# 0# 0# 0# 0# 0#
RNA)transports amino acids to the site of protein synthesis for incorporation into the protei
#
0 0# 0# 0# 0# 0# 0# 0# 0# 0# 0# 0# 0# 0#
n being synthesized.
0# 0#
4. Which accurately explains the functions of the organelles lysosomes? They:
0# 0# 0# 0# 0# 0# 0# 0# 0#
A) Are sacs filled with enzymes that breakdown and remove foreign substances and wo
0# 0# 0# 0# 0# 0# 0# 0# 0# 0# 0# 0#
rn-out cell parts
#
0 0# 0#
B) Function in association with the endoplasmic reticulum to modify protein end produ
0# 0# 0# 0# 0# 0# 0# 0# 0# 0# 0#
ctsand package them into secretory granules or vesicles
#
0 0# 0# 0# 0# 0# 0# 0#
C) Are small particles of nucleoproteins that are involved in the synthesis of proteins t
0# 0# 0# 0# 0# 0# 0# 0# 0# 0# 0# 0# 0#
hatremain in the cell as cytoplasmic structural or functional elements
#
0 0# 0# 0# 0# 0# 0# 0# 0# 0#
D) Are a dynamic system of interconnected membranous tubes that functions as a tubu
0# 0# 0# 0# 0# 0# 0# 0# 0# 0# 0# 0#
larcommunication system for transporting various substances from one part of the cell to an
#
0 0# 0# 0# 0# 0# 0# 0# 0# 0# 0# 0# 0# 0#
other
Ans: A 0#
Feedback:
Lysosomes are sacs that are filled with hydrolytic enzymes that aid in the processing and re
0# 0# 0# 0# 0# 0# 0# 0# 0# 0# 0# 0# 0# 0# 0#
moval of unwanted substances within the cytoplasm. The Golgi apparatus functions in associ
0# 0# 0# 0# 0# 0# 0# 0# 0# 0# 0# 0#
ation with the endoplasmic reticulum to modify and package substances in preparation forsec
0# 0# 0# 0# 0# 0# 0# 0# 0# 0# 0# 0# #
0
retion, whereas ribosomes are small particles of nucleoproteins that are involved in the synth
0# 0# 0# 0# 0# 0# 0# 0# 0# 0# 0# 0# 0#
esis of proteins. The ER is a tubular communication system for transporting various substanc
0# 0# 0# 0# 0# 0# 0# 0# 0# 0# 0# 0# 0#
es from one part of the cell to another.
0# 0# 0# 0# 0# 0# 0# 0#
, Answerdone.com
5. Impairment in the function of peroxisomes would result in:
0# 0# 0# 0# 0# 0# 0# 0#
A) Inadequate sites for protein synthesis0# 0# 0# 0#
B) An inability to transport cellular products across the cell membrane
0# 0# 0# 0# 0# 0# 0# 0# 0#
C) Insufficient energy production within a cell
0# 0# 0# 0# 0#
D) Accumulation of free radicals in the cytoplasm 0# 0# 0# 0# 0# 0#
Ans: D 0#
Feedback:
Peroxisomes function in the control of free radicals; unless degraded, these highly unsta
0# 0# 0# 0# 0# 0# 0# 0# 0# 0# 0# 0#
blechemical compounds damage other cytoplasmic molecules. Peroxisomes do not direct
#
0 0# 0# 0# 0# 0# 0# 0# 0# 0#
ly contribute to energy production, protein synthesis, or transport of cellular secretions.
0# 0# 0# 0# 0# 0# 0# 0# 0# 0# 0#
6. Although energy is not made in mitochondria, they are known as the “power plants”
0# 0# 0# 0# 0# 0# 0# 0# 0# 0# 0# 0# 0#
ofthe cell because they:
0# #
0 0# 0# 0#
A) Contain RNA for protein synthesis
0# 0# 0# 0#
B) Utilize glycolysis for oxidative energy
0# 0# 0# 0#
C) Extract energy from organic compounds
0# 0# 0# 0#
D) Store calcium bonds for muscle contractions
0# 0# 0# 0# 0#
Ans: C 0#
Feedback:
Mitochondria contain the enzymes needed for transforming organic compounds into energy t
0# 0# 0# 0# 0# 0# 0# 0# 0# 0# 0#
hatis easily accessible to the cell. Mitochondria contain their own DNA. Glycolysis is anaero
#
0 0# 0# 0# 0# 0# 0# 0# 0# 0# 0# 0# 0# 0#
bic metabolism and unrelated to oxidative energy. Mitochondria store phosphate bonds (such
0# 0# 0# 0# 0# 0# 0# 0# 0# 0# 0# 0
as in ATP) to power cellular functions.
# 0# 0# 0# 0# 0# 0#
7. Semen analysis indicates that the client's sperm have decreased motility. Which of t
0# 0# 0# 0# 0# 0# 0# 0# 0# 0# 0# 0#
hefollowing cellular components may be defective within the client's sperm?
#
0 0# 0# 0# 0# 0# 0# 0# 0# 0#
A) Ribosomes
B) Microtubules
C) Mitochondria
D) Microfilaments
TEST BANK FOR
0# 0#
Porth's Essentials of Pathophysiology 5th edition
0# 0# 0# 0# 0#
by Tommie L Norris
0# 0# 0#
,Answerdone.com
1. Chapter 1 0#
Although the basic structure of the cell plasma membrane is formed by a lipid bilayer, mos
0# 0# 0# 0# 0# 0# 0# 0# 0# 0# 0# 0# 0# 0# 0#
t ofthe specific membrane functions are carried out by:
0# #
0 0# 0# 0# 0# 0# 0# 0#
A) Bound and transmembrane proteins
0# 0# 0#
B) Complex, long carbohydrate chains 0# 0# 0#
C) Surface antigens and hormone receptors
0# 0# 0# 0#
D) A gating system of selective ion channels
0# 0# 0# 0# 0# 0#
Ans: A 0#
Feedback:
The functions of plasma membrane depend on the presence of proteins that are bound in the li
0# 0# 0# 0# 0# 0# 0# 0# 0# 0# 0# 0# 0# 0# 0# 0#
pidbilayer and some that have the ability to pass freely into and out of the cell.
#
0 0# 0# 0# 0# 0# 0# 0# 0# 0# 0# 0# 0# 0# 0# 0#
Carbohydrate chains form a cell coat that surrounds the membrane and that contain surface
0# 0# 0# 0# 0# 0# 0# 0# 0# 0# 0# 0# 0# 0
antigens and surface hormone receptors. Some ion channels are gated and open only when
# 0# 0# 0# 0# 0# 0# 0# 0# 0# 0# 0# 0# 0# 0
themembrane potential changes significantly.
# #
0 0# 0# 0#
2. Which describes the function of the nucleus?
0# 0# 0# 0# 0# 0#
A) It is basically the site of protein synthesis in the body.
0# 0# 0# 0# 0# 0# 0# 0# 0# 0#
B) It contains the genetic code for the individual.
0# 0# 0# 0# 0# 0# 0#
C) It is the transformer of cellular energy.
0# 0# 0# 0# 0# 0#
D) It initiates the process of aerobic metabolism.
0# 0# 0# 0# 0# 0#
Ans: B 0#
Feedback:
The nucleus contains DNA, which contains the genetic code that contains the information that
0# 0# 0# 0# 0# 0# 0# 0# 0# 0# 0# 0# 0#
controls cells. Ribosomes synthesize protein. Mitochondria transform organic compounds int
0# 0# 0# 0# 0# 0# 0# 0# 0# 0#
o cellular energy. Mitochondria require oxygen for aerobic metabolism, using hydrogen and c
0# 0# 0# 0# 0# 0# 0# 0# 0# 0# 0# 0#
arbon combined with oxygen molecules to form carbon dioxide and water as energy is release
0# 0# 0# 0# 0# 0# 0# 0# 0# 0# 0# 0# 0# 0#
d.
3. Which of the following aspects of the function of the nucleus is performed by riboso
0# 0# 0# 0# 0# 0# 0# 0# 0# 0# 0# 0# 0# 0#
malRNA (rRNA)?#
0 0#
,Answerdone.com
A) Copying and carrying DNA instructions for protein synthesis
0# 0# 0# 0# 0# 0# 0#
B) Carrying amino acids to the site of protein synthesis
0# 0# 0# 0# 0# 0# 0# 0#
C) Providing the site where protein synthesis occurs 0# 0# 0# 0# 0# 0#
D) Regulating and controlling protein synthesis 0# 0# 0# 0#
Ans: C 0#
Feedback:
There are three types of ribonucleic acid (messenger RNA, ribosomal RNA, and transfer RN
0# 0# 0# 0# 0# 0# 0# 0# 0# 0# 0# 0# 0#
A)that move to the cytoplasm and carry out the actual synthesis of proteins.
#
0 0# 0# 0# 0# 0# 0# 0# 0# 0# 0# 0# 0#
Messenger RNA (mRNA) copies and carries the DNA instructions for protein synthesis to
0# 0# 0# 0# 0# 0# 0# 0# 0# 0# 0# 0# 0#
thecytoplasm; ribosomal RNA (rRNA) is the site of protein synthesis; and transfer RNA (t
#
0 0# 0# 0# 0# 0# 0# 0# 0# 0# 0# 0# 0# 0#
RNA)transports amino acids to the site of protein synthesis for incorporation into the protei
#
0 0# 0# 0# 0# 0# 0# 0# 0# 0# 0# 0# 0# 0#
n being synthesized.
0# 0#
4. Which accurately explains the functions of the organelles lysosomes? They:
0# 0# 0# 0# 0# 0# 0# 0# 0#
A) Are sacs filled with enzymes that breakdown and remove foreign substances and wo
0# 0# 0# 0# 0# 0# 0# 0# 0# 0# 0# 0#
rn-out cell parts
#
0 0# 0#
B) Function in association with the endoplasmic reticulum to modify protein end produ
0# 0# 0# 0# 0# 0# 0# 0# 0# 0# 0#
ctsand package them into secretory granules or vesicles
#
0 0# 0# 0# 0# 0# 0# 0#
C) Are small particles of nucleoproteins that are involved in the synthesis of proteins t
0# 0# 0# 0# 0# 0# 0# 0# 0# 0# 0# 0# 0#
hatremain in the cell as cytoplasmic structural or functional elements
#
0 0# 0# 0# 0# 0# 0# 0# 0# 0#
D) Are a dynamic system of interconnected membranous tubes that functions as a tubu
0# 0# 0# 0# 0# 0# 0# 0# 0# 0# 0# 0#
larcommunication system for transporting various substances from one part of the cell to an
#
0 0# 0# 0# 0# 0# 0# 0# 0# 0# 0# 0# 0# 0#
other
Ans: A 0#
Feedback:
Lysosomes are sacs that are filled with hydrolytic enzymes that aid in the processing and re
0# 0# 0# 0# 0# 0# 0# 0# 0# 0# 0# 0# 0# 0# 0#
moval of unwanted substances within the cytoplasm. The Golgi apparatus functions in associ
0# 0# 0# 0# 0# 0# 0# 0# 0# 0# 0# 0#
ation with the endoplasmic reticulum to modify and package substances in preparation forsec
0# 0# 0# 0# 0# 0# 0# 0# 0# 0# 0# 0# #
0
retion, whereas ribosomes are small particles of nucleoproteins that are involved in the synth
0# 0# 0# 0# 0# 0# 0# 0# 0# 0# 0# 0# 0#
esis of proteins. The ER is a tubular communication system for transporting various substanc
0# 0# 0# 0# 0# 0# 0# 0# 0# 0# 0# 0# 0#
es from one part of the cell to another.
0# 0# 0# 0# 0# 0# 0# 0#
, Answerdone.com
5. Impairment in the function of peroxisomes would result in:
0# 0# 0# 0# 0# 0# 0# 0#
A) Inadequate sites for protein synthesis0# 0# 0# 0#
B) An inability to transport cellular products across the cell membrane
0# 0# 0# 0# 0# 0# 0# 0# 0#
C) Insufficient energy production within a cell
0# 0# 0# 0# 0#
D) Accumulation of free radicals in the cytoplasm 0# 0# 0# 0# 0# 0#
Ans: D 0#
Feedback:
Peroxisomes function in the control of free radicals; unless degraded, these highly unsta
0# 0# 0# 0# 0# 0# 0# 0# 0# 0# 0# 0#
blechemical compounds damage other cytoplasmic molecules. Peroxisomes do not direct
#
0 0# 0# 0# 0# 0# 0# 0# 0# 0#
ly contribute to energy production, protein synthesis, or transport of cellular secretions.
0# 0# 0# 0# 0# 0# 0# 0# 0# 0# 0#
6. Although energy is not made in mitochondria, they are known as the “power plants”
0# 0# 0# 0# 0# 0# 0# 0# 0# 0# 0# 0# 0#
ofthe cell because they:
0# #
0 0# 0# 0#
A) Contain RNA for protein synthesis
0# 0# 0# 0#
B) Utilize glycolysis for oxidative energy
0# 0# 0# 0#
C) Extract energy from organic compounds
0# 0# 0# 0#
D) Store calcium bonds for muscle contractions
0# 0# 0# 0# 0#
Ans: C 0#
Feedback:
Mitochondria contain the enzymes needed for transforming organic compounds into energy t
0# 0# 0# 0# 0# 0# 0# 0# 0# 0# 0#
hatis easily accessible to the cell. Mitochondria contain their own DNA. Glycolysis is anaero
#
0 0# 0# 0# 0# 0# 0# 0# 0# 0# 0# 0# 0# 0#
bic metabolism and unrelated to oxidative energy. Mitochondria store phosphate bonds (such
0# 0# 0# 0# 0# 0# 0# 0# 0# 0# 0# 0
as in ATP) to power cellular functions.
# 0# 0# 0# 0# 0# 0#
7. Semen analysis indicates that the client's sperm have decreased motility. Which of t
0# 0# 0# 0# 0# 0# 0# 0# 0# 0# 0# 0#
hefollowing cellular components may be defective within the client's sperm?
#
0 0# 0# 0# 0# 0# 0# 0# 0# 0#
A) Ribosomes
B) Microtubules
C) Mitochondria
D) Microfilaments
