NSG 5003
NSG 5003 EXAM QUESTIONS AND ANSWERS
Inserting bone marrow cells into an individual who
produces abnormal erythrocytes is an example of what
type of therapy? - correct answer Somatic cell
DNA replication requires the enzyme DNA polymerase to:
- correct answer Travel along the single DNA strand, adding
the correct nucleotide to the new strand
Transcription is best defined as a process by which: - correct
answer RNA is synthesized from a DNA template.
,NSG 5003
The purpose of a staining technique of chromosomes
such as Giemsa is to: - correct answer Allow for the numbering
of chromosomes and the identification of variations.
An amniocentesis indicates a neural tube defect when an
increase in which protein is evident? - correct answer Alpha
fetoprotein
An amniocentesis is recommended for pregnant women
who: - correct answer Have a family history of genetic
disorders
The most clinically useful technique for prenatal
diagnosis of chromosomal abnormalities at 3 months' (12
weeks') gestation is: - correct answer Chorionic villus sampling
The term for an error in which homologous
chromosomes fail to separate during meiosis or mitosis
is: - correct answer Nondisjunction
,NSG 5003
Which clinical manifestations would be expected for a
child who has complete trisomy of the twenty-first
chromosome? - correct answer An IQ of 25 to 70, low nasal
bridge, protruding tongue, and flat, low-set ears
What is the most common cause of Down syndrome? -
correct answer Maternal nondisjunction
What syndrome, characterized by an absent homologous
X chromosome with only a single X chromosome, exhibits
features that include a short stature, widely spaced
nipples, and webbed neck? - correct answer Cri du chat
A person with 47, XXY karyotype has the genetic disorder
resulting in which syndrome? - correct answer Klinefelter
What is the chromosomal variation that causes
Klinefelter syndrome? - correct answer Nondisjunction of X
chromosome in the mother
, NSG 5003
What is the second most commonly recognized genetic
cause of mental retardation? - correct answer Fragile X
syndrome
What is the blood type of a person who is heterozygous,
having A and B alleles as codominant? - correct answer AB
A couple has two children diagnosed with an autosomal
dominant genetic disease. What is the probability that
the next child will have the same genetic disease? - correct
answer One half
When a child inherits a disease that is autosomal
recessive, it is inherited from: - correct answer Both parents
People diagnosed with neurofibromatosis have varying
degrees of the condition because of the genetic principle
of: - correct answer Expressivity
Which genetic disease has been linked to a mutation of
the tumor-suppressor gene? - correct answer Retinoblastoma
NSG 5003 EXAM QUESTIONS AND ANSWERS
Inserting bone marrow cells into an individual who
produces abnormal erythrocytes is an example of what
type of therapy? - correct answer Somatic cell
DNA replication requires the enzyme DNA polymerase to:
- correct answer Travel along the single DNA strand, adding
the correct nucleotide to the new strand
Transcription is best defined as a process by which: - correct
answer RNA is synthesized from a DNA template.
,NSG 5003
The purpose of a staining technique of chromosomes
such as Giemsa is to: - correct answer Allow for the numbering
of chromosomes and the identification of variations.
An amniocentesis indicates a neural tube defect when an
increase in which protein is evident? - correct answer Alpha
fetoprotein
An amniocentesis is recommended for pregnant women
who: - correct answer Have a family history of genetic
disorders
The most clinically useful technique for prenatal
diagnosis of chromosomal abnormalities at 3 months' (12
weeks') gestation is: - correct answer Chorionic villus sampling
The term for an error in which homologous
chromosomes fail to separate during meiosis or mitosis
is: - correct answer Nondisjunction
,NSG 5003
Which clinical manifestations would be expected for a
child who has complete trisomy of the twenty-first
chromosome? - correct answer An IQ of 25 to 70, low nasal
bridge, protruding tongue, and flat, low-set ears
What is the most common cause of Down syndrome? -
correct answer Maternal nondisjunction
What syndrome, characterized by an absent homologous
X chromosome with only a single X chromosome, exhibits
features that include a short stature, widely spaced
nipples, and webbed neck? - correct answer Cri du chat
A person with 47, XXY karyotype has the genetic disorder
resulting in which syndrome? - correct answer Klinefelter
What is the chromosomal variation that causes
Klinefelter syndrome? - correct answer Nondisjunction of X
chromosome in the mother
, NSG 5003
What is the second most commonly recognized genetic
cause of mental retardation? - correct answer Fragile X
syndrome
What is the blood type of a person who is heterozygous,
having A and B alleles as codominant? - correct answer AB
A couple has two children diagnosed with an autosomal
dominant genetic disease. What is the probability that
the next child will have the same genetic disease? - correct
answer One half
When a child inherits a disease that is autosomal
recessive, it is inherited from: - correct answer Both parents
People diagnosed with neurofibromatosis have varying
degrees of the condition because of the genetic principle
of: - correct answer Expressivity
Which genetic disease has been linked to a mutation of
the tumor-suppressor gene? - correct answer Retinoblastoma
