UPDATED PATHOPHYSIOLOGY ACTUAL
EXAM 1 WITH 100% VERIFIED AND
DETAILED ANSWERS
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
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
A somatic cell that does not contain a
multiple of 23 chromosomes is called:
A) an aneuploid cell.
B) a euploid cell.
C) a polyploidy cell.
D) a haploid cell. - answer-a
,A 20-year-old pregnant female gives birth to
a stillborn child. Autopsy reveals that the
fetus has 92 chromosomes. Which of 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
, The most common cause of Down syndrome
is:
A) paternal nondisjunction.
B) maternal translocations.
C) maternal nondisjunction.
D) paternal translocations. - answer-c
Risk factors for Down syndrome include:
A) fetal exposure to mutagens in the uterus.
B) increased paternal age.
C) family history of Down syndrome.
D) pregnancy in women over age 35. -
answer-d
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:
EXAM 1 WITH 100% VERIFIED AND
DETAILED ANSWERS
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
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
A somatic cell that does not contain a
multiple of 23 chromosomes is called:
A) an aneuploid cell.
B) a euploid cell.
C) a polyploidy cell.
D) a haploid cell. - answer-a
,A 20-year-old pregnant female gives birth to
a stillborn child. Autopsy reveals that the
fetus has 92 chromosomes. Which of 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
, The most common cause of Down syndrome
is:
A) paternal nondisjunction.
B) maternal translocations.
C) maternal nondisjunction.
D) paternal translocations. - answer-c
Risk factors for Down syndrome include:
A) fetal exposure to mutagens in the uterus.
B) increased paternal age.
C) family history of Down syndrome.
D) pregnancy in women over age 35. -
answer-d
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:
