PATHOPHYSIOLOGY EXAM 1 ALL 250
QUESTIONS WITH CORRECT ANSWERS
The process of cellular atrophy is accomplished
through which of the following processes?
A) Loss of fluid
B) Decreased cell division
C) Inhibition of enzyme formation
D) Formation of autophagic vacuoles
d
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.