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Pathophysiology Exam 1 Questions With 100% Verified Answers

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Pathophysiology Exam 1 Questions With 100% Verified Answers 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. - answerc An error in which homologous chromosomes fail to separate duri...

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  • October 2, 2024
  • 55
  • 2024/2025
  • Exam (elaborations)
  • Questions & answers
  • Pathophysiology
  • Pathophysiology
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Pathophysiology Exam 1 Questions With
100% Verified Answers


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.

, ©BRAINBARTER 2024/2025


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.

, ©BRAINBARTER 2024/2025


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 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:

A) X inactivation.

B) genomic imprinting.

C) consanguinity.


D) obligate carriers. - answer✔c

, ©BRAINBARTER 2024/2025


Joey, age 9, is admitted to a pediatric unit with Duchenne muscular dystrophy. He inherited this

condition through a:

A) sex-linked dominant trait.

B) sex-influenced trait.

C) sex-limited trait.


D) sex-linked recessive trait. - answer✔d


A 50-year-old male was recently diagnosed with Huntington disease. Transmission of this

disease is associated with:

A) penetrance.

B) recurrence risk.

C) expressivity.


D) delayed age of onset. - answer✔d


People who have neurofibromatosis will show varying degrees of the disease; this is because of

the genetic principle of:

A) penetrance.

B) expressivity.

C) dominance.


D) recessiveness. - answer✔b

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