100% satisfaction guarantee Immediately available after payment Both online and in PDF No strings attached
logo-home
Pathophysiology Exam 1 CA$12.21   Add to cart

Exam (elaborations)

Pathophysiology Exam 1

 4 views  0 purchase

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. - c An error in which homologous chromosomes fail to separate during meiosis is termed: A) aneuploidy. B) nondisjunction. C) po...

[Show more]

Preview 4 out of 40  pages

  • August 2, 2023
  • 40
  • 2023/2024
  • Exam (elaborations)
  • Questions & answers
All documents for this subject (3423)
avatar-seller
otebamanyuru
Pathophysiology Exam 1(correct answers)A+


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. - c



An error in which homologous chromosomes fail to separate during meiosis is termed:

A) aneuploidy.

B) nondisjunction.

C) polyploidy.

D) anaplasia. - 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. - 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 - 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. - b



The most common cause of Down syndrome is:

A) paternal nondisjunction.

B) maternal translocations.

C) maternal nondisjunction.

D) paternal translocations. - 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. - 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 - 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. - c



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. - 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. - 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. - b



Cystic fibrosis is caused by an _____ gene.

A) X-linked dominant

B) X-linked recessive

C) autosomal dominant

D) autosomal recessive - d



To express a polygenic trait:

, A) genes must interact with the environment.

B) several genes must act together.

C) multiple mutations must occur in the same family.

D) in situ cloning must occur. - b



The gradual increase in height among the human population over the past 100 years is an example of:

A) polygenic trait.

B) multifactorial trait.

C) crossing over.

D) recombination. - b



A couple has three offspring: one child with an autosomal dominant disease trait and two who are
normal. The father is affected by the autosomal dominant disease, but the mother does not have the
disease gene. What is the recurrence risk of this autosomal dominant disease for their next child?

A) 50%

B) 33%

C) 25%

D) Impossible to determine - a



A 12-year-old male is diagnosed with Klinefelter syndrome. His karyotype would reveal which of the
following?

A) XY

B) XX

C) XYY

D) XXY - d



A 5-year-old male presents with mental retardation and is diagnosed with Fragile X syndrome. Which of
the following is most likely to cause this syndrome?

A) Translocation

B) Inversion

The benefits of buying summaries with Stuvia:

Guaranteed quality through customer reviews

Guaranteed quality through customer reviews

Stuvia customers have reviewed more than 700,000 summaries. This how you know that you are buying the best documents.

Quick and easy check-out

Quick and easy check-out

You can quickly pay through credit card or Stuvia-credit for the summaries. There is no membership needed.

Focus on what matters

Focus on what matters

Your fellow students write the study notes themselves, which is why the documents are always reliable and up-to-date. This ensures you quickly get to the core!

Frequently asked questions

What do I get when I buy this document?

You get a PDF, available immediately after your purchase. The purchased document is accessible anytime, anywhere and indefinitely through your profile.

Satisfaction guarantee: how does it work?

Our satisfaction guarantee ensures that you always find a study document that suits you well. You fill out a form, and our customer service team takes care of the rest.

Who am I buying these notes from?

Stuvia is a marketplace, so you are not buying this document from us, but from seller otebamanyuru. Stuvia facilitates payment to the seller.

Will I be stuck with a subscription?

No, you only buy these notes for CA$12.21. You're not tied to anything after your purchase.

Can Stuvia be trusted?

4.6 stars on Google & Trustpilot (+1000 reviews)

67474 documents were sold in the last 30 days

Founded in 2010, the go-to place to buy study notes for 14 years now

Start selling
CA$12.21
  • (0)
  Add to cart