NURS 617 EXAM 1 ACTUAL COMPLETE QUESTIONS
AND CORRECT DETAILED ANSWERS (VERIFIED
ANSWERS) |ALREADY GRADED A+||BRAND NEW
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An individual with damage to the spinal cord may experience atrophy of
which of the following organs?
a. Skeletal muscles
b. Skin
c. Liver
d. Brain ✅✅ANSWER✔✔a. Skeletal muscles
Rationale: Lack of nerve stimulation to skeletal muscles results in
muscle atrophy.
Chronic infection of the cervix by the human papillomavirus results in
cervical:
a. hormonal hyperplasia.
b. atrophy.
c. dysplasia.
d. metaplasia. ANSWER✔✔c. dysplasia.
Rationale: (Chronic infection or inflammation is a common cause of
cervical dysplasia.)
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,Ethanol (alcohol) causes cell injury by which of the following
mechanisms?
a. Cellular dehydration
b. Intracellular sodium loss
c. Lipid accumulation in hepatocytes
d. Hypoxic injury ANSWER✔✔c. Lipid accumulation in
hepatocytes
Rationale: Ethanol metabolism causes lipid accumulation in hepatocytes
that decreases liver function and may result in liver cirrhosis.
In compensatory hyperplasia, growth factors stimulate cell division in
response to:
a. decreased hormonal stimulation.
b. ischemia.
c. tissue loss.
d. puberty. ANSWER✔✔c. tissue loss.
Rationale: In response to tissue loss, surrounding cells are stimulated to
replace the lost tissue.
In response to an increased workload, such as that caused by high
blood pressure (hypertension), myocardial cells in the left ventricle will
adapt through the process of:
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,a. hyperplasia.
b. hypertrophy.
c. atrophy.
d. dysplasia. ANSWER✔✔b. hypertrophy.
Rationale: In response to the increased workload of hypertension,
myocardial cells will hypertrophy in order to pump harder.
Injury to the endoplasmic reticulum due to hypoxic injury results in:
a. sodium accumulation.
b. a decrease in protein synthesis.
c. the release of enzymes.
d. lactic acid production. ANSWER✔✔b. a decrease in protein
synthesis.
Rationale: Ribosomes are the primary site for protein synthesis. Hypoxic
injury and cellular swelling result in dilation of the rough endoplasmic
reticulum, causing the ribosomes to detach. Loss of the site for protein
synthesis results in decreased protein production.
Lead poisoning affects nervous system function by which of the
following mechanisms?
a. Lead blocks oxygen delivery to the brain by binding with hemoglobin.
b. Lead interferes with neurotransmitter release.
c. Lead inhibits fatty acid oxidation in the brainstem.
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, d. Lead causes nervous tissue necrosis. ANSWER✔✔b. Lead
interferes with neurotransmitter release.
Lysosomal rupture during hypoxic injury leads to:
a. autodigestion of cells.
b. cellular acidosis.
c. sodium influx.
d. cellular adaptation ANSWER✔✔a. autodigestion of cells.
Rationale: Lysosomal enzyme release during hypoxic injury causes
autodigestion of cells.
Metaplasia involves the replacement of normal cells by:
a. cancer cells.
b. scar tissue.
c. abnormal cells of the same tissue type.
d. another type of cell. ANSWER✔✔d.another type of cell.
Rationale: Metaplasia is the replacement of normal cells by another
type of cell.
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