Question 1
When completing this quiz, did you comply with Walden University’s Code of Conduct
including the expectations for academic integrity?
Selected Answer: Yes
Question 2
1 out of 1 points
A patient has a heart attack that leads to progressive cell injury that causes cell death with
severe cell swelling and breakdown of organelles. What term would the nurse use to define
this process?
Selected Answer: d.
Necrosis
Question 3
1 out of 1 points
The nurse is teaching staff about the most common cause of Down syndrome. What is the
nurse describing?
Selected Answer: c.
Maternal nondisjunction
Question 4
1 out of 1 points
A 15-year-old female is diagnosed with Prader-Willi syndrome. This condition is an
example of:
Selected Answer: a.
, Gene imprinting
Question 5
1 out of 1 points
A 55-year-old male with a 30-year history of smoking is examined for respiratory
disturbance. Examination of his airway (bronchial) reveals that stratified squamous epithelial
cells have replaced the normal columnar ciliated cells. This type of cellular adaptation is
called:
Selected Answer: c.
Metaplasia
Question 6
1 out of 1 points
A group of prison inmates developed tuberculosis following exposure to an infected inmate.
On examination, tissues were soft and granular (like clumped cheese). Which of the
following is the most likely cause?
Selected Answer: c.
Caseous necrosis
Question 7
1 out of 1 points
What causes the rapid change in the resting membrane potential that initiates an action
potential?
Selected b.
Answer:
Sodium gates open, and sodium rushes into the cell, changing the
membrane potential from negative to positive.
Question 8
1 out of 1 points
The student is reviewing functions of the cell. The student would be correct in identifying
the primary function of the nerve cell as:
, Selected Answer: b.
Conductivity
Question 9
1 out of 1 points
A newborn male is diagnosed with albinism based on skin, eye, and hair appearance. Which
finding will support this diagnosis?
Selected Answer: Inability to convert tyrosine to DOPA (3,4 dihydroxyphenylalanine)
Question 10
1 out of 1 points
When a patient asks what causes cystic fibrosis, how should the nurse respond? Cystic
fibrosis is caused by an _____ gene.
Selected Answer: d.
Autosomal recessive
Question 11
1 out of 1 points
A 13-year-old girl has a karyotype that reveals an absent homologous X chromosome with
only a single X chromosome present. What medical diagnosis will the nurse observe on the
chart?
Selected Answer: c.
Turner syndrome
Question 12
1 out of 1 points
A 12-year-old male is diagnosed with Klinefelter syndrome. His karyotype would reveal
which of the following?
Selected Answer: d.
XXY
, Question 13
1 out of 1 points
What is the diagnosis of a 13-year-old female who has a karyotype that reveals an absent
homologous X chromosome with only a single X chromosome present? Her features include
a short stature, widely spaced nipples, reduced carrying angle at the elbow, and sparse body
hair.
Selected Answer: c.
Turner syndrome
Question 14
1 out of 1 points
The nurse would be correct in identifying the predominant extracellular cation as:
Selected Answer: a.
Sodium
Question 15
1 out of 1 points
Which of the following mutations have the most significant effect on protein synthesis?
Selected Answer: d.
Frameshift mutations
Question 16
1 out of 1 points
A nurse is discussing the movement of fluid across the arterial end of capillary membranes
into the interstitial fluid surrounding the capillary. Which process of fluid movement is the
nurse describing?
Selected Answer: a.
Hydrostatic pressure
Question 17
1 out of 1 points
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