Pathophysiology Exam 1 Exam Questions 100%
Correct Answers
2026 New Update
D
O
N
O
T
C
O
PY
An ordered photographic display of a set of chromosomes from
a single cell is a(n):
A) metaphase spread.
B) autosomal spread.
C) karyotype.
D) anaphase spread. - ANSWER-c
,An error in which homologous chromosomes fail to separate
during meiosis is termed: A) aneuploidy.
B) nondisjunction.
C) polyploidy.
D) anaplasia. - ANSWER-b
D
A somatic cell that does not contain a multiple of 23
O
chromosomes is called: A) an aneuploid cell.
N
B) a euploid cell.
O
C) a polyploidy cell.
T
D) a haploid cell. - ANSWER-a
C
O
A 20-year-old pregnant female gives birth to a stillborn child.
Autopsy reveals that the fetus has 92 chromosomes. Which of
PY
the following describes this condition?
A) Euploidy
B) Triploidy
C) Tetraploidy
D) Aneuploidy - ANSWER-c
,If a person is a chromosomal mosaic, the person may: A)
be a carrier of the genetic disease.
B) have a mild form of the genetic disease.
C) have two genetic diseases.
D) be sterile as a result of the genetic disease. - ANSWER-b
D
The most common cause of Down syndrome is: A)
O
paternal nondisjunction.
B) maternal translocations.
N
C) maternal nondisjunction.
O
D) paternal translocations. - ANSWER-c
T
C
Risk factors for Down syndrome include:
O
A) fetal exposure to mutagens in the uterus.
PY
B) increased paternal age.
C) family history of Down syndrome.
D) pregnancy in women over age 35. - ANSWER-d
A 13-year-old girl has a karyotype that reveals an absent
homologous X chromosome with only a single X chromosome
present. Her condition is called: A) Down syndrome.
, B) Cri du chat syndrome.
C) Turner syndrome.
D) Edward syndrome - ANSWER-c
A child is diagnosed with cystic fibrosis. History reveals that the
child's parents are first cousins. Cystic fibrosis was most likely
the result of:
D
A) X inactivation.
O
B) genomic imprinting.
N
C) consanguinity.
O
D) obligate carriers. - ANSWER-c
T
C
Joey, age 9, is admitted to a pediatric unit with Duchenne
muscular dystrophy. He inherited this condition through a: A)
O
sex-linked dominant trait.
PY
B) sex-influenced trait.
C) sex-limited trait.
D) sex-linked recessive trait. - ANSWER-d
Correct Answers
2026 New Update
D
O
N
O
T
C
O
PY
An ordered photographic display of a set of chromosomes from
a single cell is a(n):
A) metaphase spread.
B) autosomal spread.
C) karyotype.
D) anaphase spread. - ANSWER-c
,An error in which homologous chromosomes fail to separate
during meiosis is termed: A) aneuploidy.
B) nondisjunction.
C) polyploidy.
D) anaplasia. - ANSWER-b
D
A somatic cell that does not contain a multiple of 23
O
chromosomes is called: A) an aneuploid cell.
N
B) a euploid cell.
O
C) a polyploidy cell.
T
D) a haploid cell. - ANSWER-a
C
O
A 20-year-old pregnant female gives birth to a stillborn child.
Autopsy reveals that the fetus has 92 chromosomes. Which of
PY
the following describes this condition?
A) Euploidy
B) Triploidy
C) Tetraploidy
D) Aneuploidy - ANSWER-c
,If a person is a chromosomal mosaic, the person may: A)
be a carrier of the genetic disease.
B) have a mild form of the genetic disease.
C) have two genetic diseases.
D) be sterile as a result of the genetic disease. - ANSWER-b
D
The most common cause of Down syndrome is: A)
O
paternal nondisjunction.
B) maternal translocations.
N
C) maternal nondisjunction.
O
D) paternal translocations. - ANSWER-c
T
C
Risk factors for Down syndrome include:
O
A) fetal exposure to mutagens in the uterus.
PY
B) increased paternal age.
C) family history of Down syndrome.
D) pregnancy in women over age 35. - ANSWER-d
A 13-year-old girl has a karyotype that reveals an absent
homologous X chromosome with only a single X chromosome
present. Her condition is called: A) Down syndrome.
, B) Cri du chat syndrome.
C) Turner syndrome.
D) Edward syndrome - ANSWER-c
A child is diagnosed with cystic fibrosis. History reveals that the
child's parents are first cousins. Cystic fibrosis was most likely
the result of:
D
A) X inactivation.
O
B) genomic imprinting.
N
C) consanguinity.
O
D) obligate carriers. - ANSWER-c
T
C
Joey, age 9, is admitted to a pediatric unit with Duchenne
muscular dystrophy. He inherited this condition through a: A)
O
sex-linked dominant trait.
PY
B) sex-influenced trait.
C) sex-limited trait.
D) sex-linked recessive trait. - ANSWER-d
