MN 551 UNIT 9 ASSESSMENT TEST ANSWERS
RATIONALE 2026 FULL SOLUTION
◉ A nurse practitioner employed in a hospitalist notices that a
patient is experiencing muscle atrophy following 2 weeks in traction
after a motor vehicle accident. Which of the following factors has
most likely contributed to the atrophy of the patient's muscle cells?
Answer: A reduction of skeletal muscle use secondary to the traction
treatment
◉ A nurse practitioner is educating a patient with a recent diagnosis
of diabetes about the roles that glucose and insulin play in the
disease pathology and the fact that glucose must enter the cell in
order to provide energy for the patient. The nurse practitioner
knows that which of the following processes allows glucose to enter
body cells Answer: Facilitated diffusion
◉ A researcher is involved in the production of insulin through
recombinant DNA technology. Which of the following statements
could the researcher best provide as a rationale for her work?
Answer: The gene fragment responsible for insulin production can
be isolated and reproduced.
◉ A student nurse practitioner asks her preceptor about the origins
of different tissues, and their cellular origins during the process of
,development. Which of the following statements by the preceptor
best describes the process of cell differentiation? Answer: "A
fertilized ovum undergoes a series of divisions, yielding many
different cell types."
◉ A 77-year-old male patient with a diagnosis of stomach cancer has
been found to have metastases in his liver. The patient and his family
are surprised at this turn of events, stating that they don't see how
he could have developed cancer in his liver. Which of the following
facts would underlie the reply that the care team provides? Answer:
The portal circulatory system brings venous blood from the
gastrointestinal tract into the liver.
◉ The nurse practitioner is seeing a client who has an acute
exacerbation of Crohn's disease. The NP recognizes the fact that the
disease involves the inflammation and irritation of the intestinal
lining. Which of the following types of tissue is most likely involved
in the patient's pathology? Answer: Simple columnar epithelium
◉ An infant who is four days postpartum has been diagnosed with a
single-gene disorder. The parents of the child have a number of
questions about the etiology of the health problem, which the
physician is attempting to address in detail. Which of the following
teaching points most accurately captures an aspect of single-gene
congenital disorders? Answer: A particular defect can be caused by
mutations at one of several different loci.
,◉ Following a biopsy, a 54-year-old man has been diagnosed as
having a benign neoplastic tumor. Which of the following
characteristics most likely applies to his tumor? Answer: The well-
differentiated neoplastic cells are clustered together in a single
mass.
◉ As part of an orientation to a genetic counseling practice, a group
of medical students is differentiating between autosomal recessive
disorders and autosomal dominant disorders. Which of the
following statements is true of autosomal recessive disorders?
Answer: They tend to have a more uniform symptomatology than
autosomal dominant disorders.
◉ A nurse practitioner employed in the emergency department
admits a patient who has experienced severe frostbite to his hands
and toes after becoming lost on a ski trail. The NP recognizes that
which of the following phenomena has caused the tissue damage?
Answer: Decreased blood flow has induced hypoxia.
◉ A new older female patient at a long-term care facility has a
diagnosis of type 1 neurofibromatosis (NF-1). As part of the intake
assessment protocol for the facility, the clinical educator is teaching
the care staff about the diagnosis. Which of the following statements
most accurately conveys an aspect of neurofibromatosis? Answer:
"Her diagnosis puts her at higher risk of developing a malignant
neoplasm."
, ◉ Cytoplasm Answer: composed of water, proteins, neutral fats, and
glycogen.
◉ Eukatyote Answer: an organism made up of cells that have a
nucleus and membrane-bound organelles
◉ Prokaryote Answer: unicellular organism that lacks a nucleus
◉ DNA Answer: within the nucleus, which serves as the template for
making all the RNA
◉ RNA Answer: later used to direct the synthesis of proteins in the
cytoplasm.
◉ Ribosomes Answer: site of protein synthesis
◉ Rough Endoplasmic Reticulum Answer: An internal membrane
system with ribosomes on its surface where proteins are assembled
◉ Golgi complex Answer: organelle that modifies, packages, and
transports material out of the cell.
◉ Lysosomes Answer: cell organelle filled with enzymes needed to
break down certain materials in the cell
RATIONALE 2026 FULL SOLUTION
◉ A nurse practitioner employed in a hospitalist notices that a
patient is experiencing muscle atrophy following 2 weeks in traction
after a motor vehicle accident. Which of the following factors has
most likely contributed to the atrophy of the patient's muscle cells?
Answer: A reduction of skeletal muscle use secondary to the traction
treatment
◉ A nurse practitioner is educating a patient with a recent diagnosis
of diabetes about the roles that glucose and insulin play in the
disease pathology and the fact that glucose must enter the cell in
order to provide energy for the patient. The nurse practitioner
knows that which of the following processes allows glucose to enter
body cells Answer: Facilitated diffusion
◉ A researcher is involved in the production of insulin through
recombinant DNA technology. Which of the following statements
could the researcher best provide as a rationale for her work?
Answer: The gene fragment responsible for insulin production can
be isolated and reproduced.
◉ A student nurse practitioner asks her preceptor about the origins
of different tissues, and their cellular origins during the process of
,development. Which of the following statements by the preceptor
best describes the process of cell differentiation? Answer: "A
fertilized ovum undergoes a series of divisions, yielding many
different cell types."
◉ A 77-year-old male patient with a diagnosis of stomach cancer has
been found to have metastases in his liver. The patient and his family
are surprised at this turn of events, stating that they don't see how
he could have developed cancer in his liver. Which of the following
facts would underlie the reply that the care team provides? Answer:
The portal circulatory system brings venous blood from the
gastrointestinal tract into the liver.
◉ The nurse practitioner is seeing a client who has an acute
exacerbation of Crohn's disease. The NP recognizes the fact that the
disease involves the inflammation and irritation of the intestinal
lining. Which of the following types of tissue is most likely involved
in the patient's pathology? Answer: Simple columnar epithelium
◉ An infant who is four days postpartum has been diagnosed with a
single-gene disorder. The parents of the child have a number of
questions about the etiology of the health problem, which the
physician is attempting to address in detail. Which of the following
teaching points most accurately captures an aspect of single-gene
congenital disorders? Answer: A particular defect can be caused by
mutations at one of several different loci.
,◉ Following a biopsy, a 54-year-old man has been diagnosed as
having a benign neoplastic tumor. Which of the following
characteristics most likely applies to his tumor? Answer: The well-
differentiated neoplastic cells are clustered together in a single
mass.
◉ As part of an orientation to a genetic counseling practice, a group
of medical students is differentiating between autosomal recessive
disorders and autosomal dominant disorders. Which of the
following statements is true of autosomal recessive disorders?
Answer: They tend to have a more uniform symptomatology than
autosomal dominant disorders.
◉ A nurse practitioner employed in the emergency department
admits a patient who has experienced severe frostbite to his hands
and toes after becoming lost on a ski trail. The NP recognizes that
which of the following phenomena has caused the tissue damage?
Answer: Decreased blood flow has induced hypoxia.
◉ A new older female patient at a long-term care facility has a
diagnosis of type 1 neurofibromatosis (NF-1). As part of the intake
assessment protocol for the facility, the clinical educator is teaching
the care staff about the diagnosis. Which of the following statements
most accurately conveys an aspect of neurofibromatosis? Answer:
"Her diagnosis puts her at higher risk of developing a malignant
neoplasm."
, ◉ Cytoplasm Answer: composed of water, proteins, neutral fats, and
glycogen.
◉ Eukatyote Answer: an organism made up of cells that have a
nucleus and membrane-bound organelles
◉ Prokaryote Answer: unicellular organism that lacks a nucleus
◉ DNA Answer: within the nucleus, which serves as the template for
making all the RNA
◉ RNA Answer: later used to direct the synthesis of proteins in the
cytoplasm.
◉ Ribosomes Answer: site of protein synthesis
◉ Rough Endoplasmic Reticulum Answer: An internal membrane
system with ribosomes on its surface where proteins are assembled
◉ Golgi complex Answer: organelle that modifies, packages, and
transports material out of the cell.
◉ Lysosomes Answer: cell organelle filled with enzymes needed to
break down certain materials in the cell
