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Understanding Pathophysiology, 6th Edition 2024 EXAM NEW LATEST UPDATE 100% RATED pass!!!! {42 CHAPTERS LATEST!!!}

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Understanding Pathophysiology, 6th Edition 2023 EXAM NEW LATEST UPDATE 100% RATED pass!!!! {42 CHAPTERS LATEST!!!} Chapter 01: Cellular Biology MULTIPLE CHOICE 1. A student is observing a cell under the microscope. It is observed to have supercoiled DNA with histones. Which of the following w...

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Understanding Pathophysiology 6th Edition Huether Test Bank
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Understanding Pathophysiology, 6th Edition 2023 EXAM
NEW LATEST UPDATE 100% RATED pass!!!! {42
CHAPTERS LATEST!!!}
Chapter 01: Cellular Biology


MULTIPLE CHOICE

1. 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 by the student? a. A single
circular chromosome
b. A nucleus
c. Free-floating nuclear material
d. No organelles



ANS: B
The 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 called a prokaryote
contains free-floating nuclear material but has no organelles.

REF: p. 2

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 nutrients to energy?
a. Metabolic absorption
b. Communication
c. Secretion
d. Respiration




ANS: D NURSINGTB.COM
The cell’s ability to absorb oxygen is referred to as respiration while its communication ability
involves maintenance of a steady dynamic state, metabolic absorption provides nutrition, and secretion
allows for the synthesizing of new substances.

REF: p. 2

3. A eukaryotic cell is undergoing DNA replication. In which region of the cell would most of the
genetic information be contained?
a. Mitochondria




NURSINGTB.COM

, Understanding Pathophysiology 6th Edition Huether Test Bank
b. Ribosome
c. Nucleolus
d. Nucleus Cytoplasm



ANS: C
The region of the cell that contains genetic material, including a large amount of ribonucleic
acid, most of the DNA, and DNA-binding proteins, is the nucleolus, which is located within the
cell’s nucleus. Mitochondria is associated with cellular respiration, while ribosomes are
involved with protein manufacturing. Cytoplasm is a fluid filling that is a component of the
cell.

REF: p. 2

4. Which of the following can remove proteins attached to the cell’s bilayer by dissolving the layer
itself?
a. Peripheral membrane proteins
b. Integral membrane proteins
c. Glycoproteins
d. Cell adhesion molecules



ANS: B
Proteins directly attached to the membrane bilayer can be removed by the action of integral
membrane proteins that dissolve the bilayer. Peripheral membrane proteins reside at the
surface while cell adhesion molecules are on the outside of the membrane. Glycoprotein marks
cells and does not float.

REF: p. 7

5. Which of the following can bind to plasma membrane receptors?
a. Oxygen
b. Ribosomes
c. Amphipathic lipids
d. Ligands



ANS: D
Ligands are the only specific molecules that can bind with receptors on the cell membrane.

REF: p. 9

6. A nurse is reviewing a report from a patient with metastatic cancer. What alternation in the

extracellular matrix would support the diagnosis of metastatic cancer?a. NURSINGTB.COM




NURSINGTB.COM

, Understanding Pathophysiology 6th Edition Huether Test Bank
Decreased fibronectin
b. Increased collagen
c. Decreased elastin
d. Increased glycoproteins



ANS: A
Only a reduced amount of fibronectin is found in some types of cancerous cells, allowing them
to travel or metastasize.

REF: p. 10

7. Which form of cell communication is used to relate to other cells in direct physical contact? a. Cell
junction
b. Gap junction
c. Desmosome
d. Tight junction



ANS: A
Cell junctions hold cells together and permit molecules to pass from cell to cell.
Gap junctions allow for cellular communication between cells. Neither desmosomes nor tight junctions
are associated with cellular communication.

REF: p. 11

8. Pancreatic beta cells secrete insulin, which inhibits secretion of glucagon from neighboring alpha
cells. This action is an example of which of the following signaling types? a. Paracrine
b. Autocrine
c. Neurohormonal
d. Hormonal



ANS: A
Paracrine signaling involves the release of local chemical mediators that are quickly taken up,
destroyed, or immobilized, as in the case of insulin and the inhibition of the secretion of glucagon.
None of the other options involve signaling that is associated with a local chemical mediator like
insulin.

REF: p. 12

9. In cellular metabolism, each enzyme has a high affinity for a:
a. solute.
b. substrate.
c. receptor.
d. ribosome.




NURSINGTB.COM

, Understanding Pathophysiology 6th Edition Huether Test Bank



ANS: B
Each enzyme has a high affinity for a substrate, a specific substance converted to a product of
the reaction. Cellular metabolism is not dependent on an attraction between an enzyme and
any of the remaining options.

REF: p. 16

NURSINGTB.COM
10. An athlete runs a marathon, after which his muscles feel fatigued and unable to contract. The
athlete asks the nurse why this happened. The nurse’s response is based on the knowledge that the
problem is result of a deficiency of:
a. GTP
b. AMP
c. ATP
d. GMP



ANS: C
When ATP is deficient, impaired muscle contraction results. None of the other options are involved
in muscle contraction.

REF: p. 16

11. Which phase of catabolism produces the most ATP?
a. Digestion
b. Glycolysis
c. Oxidation
d. Citric acid cycle



ANS: D
While some ATP is produced during the oxidation and glycolysis phases, most of the ATP is generated
during the citric acid cycle. Digestion does not produce any ATP.

REF: p. 16

12. A nurse is teaching the staff about the phases of cellular catabolism. Which phases should the nurse
include?
a. Digestion, glycolysis, oxidation, and the citric acid cycle
b. Diffusion, osmosis, and mediated transport
c. S phase, G phase, and M phase
d. Metabolic absorption, respiration, and excretion




NURSINGTB.COM

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