Nurs 251 Final Exam With Complete Questions And
Accurate Answers 2024-2025
Chromosomal nondisjunction - Answer Down syndrome is most likely caused by
47 - Answer How many chromosomes does a person with Edward syndrome have?
Occurs in between 1 in 100-300 live births - Answer Which of the following is NOT
associated with Turner syndrome?
Translocation - Answer If a piece of DNA breaks off a chromosome and attaches itself to
a nonhomologous chromosomes at another location, what type of change has
occurred?
Klinefelter's syndrome - Answer A man has enlarged breasts, spare hair on body and a
karyotype 47, XXY. He suffers from.
familial pathogenic mutations are always of paternal origin - Answer Which of the
following is FALSE regarding mitchondrial DNA (mtDNA) and mtDNA disorders
Mosaicism - Answer Which of the following is a condition in which two (or more) different
karyotypes are consistently present in one individual (from different cells)?
trisomy 21 - Answer The most common autosomal aneuploid is
Female with Turner syndrome - Answer An individual with the chromosomal description
45, XO would be a
, Down syndrome. Answer A 3-month-old child comes to a genetic clinic. On physical
examination, he is noted to have a shore neck and a low nasal bridge. The hands are
short and broad and a single crease is noted. A full karyotype is done which reveals an
abnormality. The total number of chromosomes is 47. What is the most likely explanation
for this child's clinical syndrome?
form a chromosomal rearrangement that commonly occurs in the five acrocentric
chromosome pairs namely 13, 14, 15, 21, and 22 - Answer Which of the following
statements best describes the term Robertsonian translocation?
Hereditary hemochromatosis- autosomal dominant - Answer Which of the following
INCORRECTLY identifies the mode of inheritance for the given genetic disorder?
it is due to a point mutation in beta-globin gene - Answer Of the following, which is
correct about sickle-cell anemia?
it is most 'commonly due to mutation of HFE gene - Answer Which of the following
statements is TRUE with regards to hereditary hemochromatosis?
SERPINA1 - Answer A monogenetic form of emphysema, a form of chronic obstructive
lung disease (COPD) linked to which gene?
- it is eight times more common among women - Answer Which of the following
statements is NOT true of Diabetes mellitus type 2?
Maturity-onset diabetes of the young (MODY) - Answer A 20-year-old student is recently
diagnosed with diabetes. His high glucose is found during regular blood testing. His
doctor told him that his disease is due to a mutation of a single gene.
Diet- Answer The risk factors for Type 1 diabetes mellitus include all of the following
EXCEPT
Multiple sclerosis- CAPN10- Answer All of the following diseases are correctly matched
Accurate Answers 2024-2025
Chromosomal nondisjunction - Answer Down syndrome is most likely caused by
47 - Answer How many chromosomes does a person with Edward syndrome have?
Occurs in between 1 in 100-300 live births - Answer Which of the following is NOT
associated with Turner syndrome?
Translocation - Answer If a piece of DNA breaks off a chromosome and attaches itself to
a nonhomologous chromosomes at another location, what type of change has
occurred?
Klinefelter's syndrome - Answer A man has enlarged breasts, spare hair on body and a
karyotype 47, XXY. He suffers from.
familial pathogenic mutations are always of paternal origin - Answer Which of the
following is FALSE regarding mitchondrial DNA (mtDNA) and mtDNA disorders
Mosaicism - Answer Which of the following is a condition in which two (or more) different
karyotypes are consistently present in one individual (from different cells)?
trisomy 21 - Answer The most common autosomal aneuploid is
Female with Turner syndrome - Answer An individual with the chromosomal description
45, XO would be a
, Down syndrome. Answer A 3-month-old child comes to a genetic clinic. On physical
examination, he is noted to have a shore neck and a low nasal bridge. The hands are
short and broad and a single crease is noted. A full karyotype is done which reveals an
abnormality. The total number of chromosomes is 47. What is the most likely explanation
for this child's clinical syndrome?
form a chromosomal rearrangement that commonly occurs in the five acrocentric
chromosome pairs namely 13, 14, 15, 21, and 22 - Answer Which of the following
statements best describes the term Robertsonian translocation?
Hereditary hemochromatosis- autosomal dominant - Answer Which of the following
INCORRECTLY identifies the mode of inheritance for the given genetic disorder?
it is due to a point mutation in beta-globin gene - Answer Of the following, which is
correct about sickle-cell anemia?
it is most 'commonly due to mutation of HFE gene - Answer Which of the following
statements is TRUE with regards to hereditary hemochromatosis?
SERPINA1 - Answer A monogenetic form of emphysema, a form of chronic obstructive
lung disease (COPD) linked to which gene?
- it is eight times more common among women - Answer Which of the following
statements is NOT true of Diabetes mellitus type 2?
Maturity-onset diabetes of the young (MODY) - Answer A 20-year-old student is recently
diagnosed with diabetes. His high glucose is found during regular blood testing. His
doctor told him that his disease is due to a mutation of a single gene.
Diet- Answer The risk factors for Type 1 diabetes mellitus include all of the following
EXCEPT
Multiple sclerosis- CAPN10- Answer All of the following diseases are correctly matched
