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A couple has two offspring; one child has an autosomal recessive disease trait and one is normal. What
most likely conclusions can the nurse make about the parents? - Answers Both parents could be carriers.
A couple is planning to have children. The father is affected by an autosomal dominant disease, but the
mother does not have the disease gene. If the father is a heterozygote, what is the chance that their first
child will be affected by the autosomal dominant disease? - Answers 50%
A male patient has Duchenne muscular dystrophy. A nurse recalls this patient inherited this condition
from the: - Answers mother only
A patient has a genetic disease that manifests with progressive dementia in middle to later adulthood.
Which diagnosis will the nurse observe documented on the chart? - Answers Huntington's Disease
After checking the genetic report which indicates there is a gene defect on the long arm of chromosome
7, the nurse assesses the patient with cystic fibrosis for the following: - Answers defective chloride
transportation, causing abnormally thick mucus.
True or False: Linkage is a term that tells us how close two genes are on a chromosome. - Answers True
True or False: A sex-linked trait is expressed more often in females. - Answers False
True or False: Consanguinity is a term that describes the increase in incidence of genetic disorders
among children from parents that are closely related. - Answers True
True or False: A crossover is when two chromosomes are next to each other during metaphase. -
Answers False
True or False: Mitosis is used to make cells for body tissues. - Answers True
True or False: Meiosis is used to make cells for body organs - Answers False
True or False: Mitosis divides the chromosome numbers in half. - Answers False
True or False: Meiosis occurs in the testes and ovaries. - Answers True
True or False: A homozygous trait is one that has two genes that are identical. - Answers True
True or False: A heterozygous trait is one that has two genes that are different. - Answers True
True or False: Another term for heterozygous is carrier. - Answers True
True or False: A genotype tells you what genes you have and a phenotype tells you what trait is
expressed. - Answers True
, When a pregnant woman asks the nurse what is the most important risk factor for Down syndrome,
what is the nurses best response? - Answers Increased maternal age
When a staff member asks a nurse what a karyotype is, how should the nurse respond? - Answers an
ordered photographic display of a set of chromosomes from a single cell.
When a zygote has a single chromosome missing in each cell the nurse calls this condition: - Answers a
monosomy
Which genotype will the nurse most likely observe documented in the chart for a patient with Turner
syndrome? - Answers X
Which of the following aneuploidy disorders will the nurse assess for in females only? - Answers Turner
syndrome
Which of the following genetic diseases will the nurse observe on the chart if the disease is transmitted
through autosomal recessive inheritance? - Answers Cystic Fibrosis
Which of the following statements by the nurse is an accurate characteristic of an autosomal recessive
pedigree? - Answers On average, 25% of the children are affected by the autosomal recessive disease if
both parents are carriers.
Which statement indicates the nurse has a good understanding of multifactorial inheritance?
Multifactorial inheritance describes the transmission of traits or diseases that are determined by: -
Answers genes and environmental factors.
While caring for a patient with Down syndrome, the nurse remembers that trisomy occurs with which
chromosome? - Answers 21
While caring for a person with Klinefelter syndrome the nurse checks the genetic report and will find
which of the following genetic abnormalities? - Answers XXY
While planning care for a patient with an X-linked recessive pedigree, which principle is most correct? -
Answers Disease is seen more often in males than females.
What are the functions of cells? - Answers 1. Movement
2. Conductivity
3. Metabolic absorption
4. Secretion
5. Excretion
6. Reproduction
7. Respiration