NUR 555 QUIZ 9 QUESTIONS WITH VERIFIED ANSWERS
Question 1 1..2 points
A child is diagnosed with Duchenne muscular dystrophy, and the parents want to know how this
occurred. Which statement by the healthcare professional is most accurate? Select one.
Question options:
X-linked recessive inheritance
Common SMN1 gene abnormality
Autosomal dominant inheritance
Inheritance is not well defined
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A deletion of a segment of DNA or a single-gene defect on the short arm of the X chromosome is believed to be the cause of the X-linked
inherited type of Duchenne muscular dystrophy. Spinal muscular atrophy is a common recessive genetic disorder due to an abnormality in
the SMN1 gene. Facioscapulohumeral muscular dystrophy is a mild progressive type of muscular dystrophy that is inherited in an autosomal
dominant pattern. Limb girdle muscular dystrophy may be a recessive disorder but is not well defined.
Question 2 1..2 points
The functional kidney is associated with which embryonic organ? Select one.
Question options:
Metanephros
Mesonephros
Pronephros
Endonephros
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The functional kidney is associated with the metanephros. The kidney develops from three sets of structures: the pronephros (nonfunctional
by the end of the embryonic period), mesonephros (nonfunctional), and metanephros (the functional kidney). Endonephros is not relevant to
Question 1 1..2 points
A child is diagnosed with Duchenne muscular dystrophy, and the parents want to know how this
occurred. Which statement by the healthcare professional is most accurate? Select one.
Question options:
X-linked recessive inheritance
Common SMN1 gene abnormality
Autosomal dominant inheritance
Inheritance is not well defined
Hide question 1 feedback
Feedback
A deletion of a segment of DNA or a single-gene defect on the short arm of the X chromosome is believed to be the cause of the X-linked
inherited type of Duchenne muscular dystrophy. Spinal muscular atrophy is a common recessive genetic disorder due to an abnormality in
the SMN1 gene. Facioscapulohumeral muscular dystrophy is a mild progressive type of muscular dystrophy that is inherited in an autosomal
dominant pattern. Limb girdle muscular dystrophy may be a recessive disorder but is not well defined.
Question 2 1..2 points
The functional kidney is associated with which embryonic organ? Select one.
Question options:
Metanephros
Mesonephros
Pronephros
Endonephros
Hide question 2 feedback
, Feedback
The functional kidney is associated with the metanephros. The kidney develops from three sets of structures: the pronephros (nonfunctional
by the end of the embryonic period), mesonephros (nonfunctional), and metanephros (the functional kidney). Endonephros is not relevant to
