Author Question: Which statement best describes Fragile X syndrome? a. Chromosomal defect affecting only females ... (Read 79 times)

saliriagwu · **on:** Jun 27, 2018

Which statement best describes Fragile X syndrome?

a. Chromosomal defect affecting only females
b. Chromosomal defect that follows the pattern of X-linked recessive disorders
c. Second most common genetic cause of cognitive impairment
d. Most common cause of noninherited cognitive impairment

Question 2

Throughout their life span, cognitively impaired children are less capable of managing environmental challenges and are at risk for

a. Nutritional deficits
b. Visual impairments
c. Physical injuries
d. Psychiatric problems

lin77x · **Reply #1 on:** Jun 27, 2018

Answer to Question 1

C
Feedback
A Fragile X primarily affects males.
B Fragile X follows the pattern of X-linked dominant with reduced manifestation
of the syndrome in female and moderate to severe dysfunction in males.
C Fragile X syndrome is the most common inherited cause of cognitive impairment
and the second most common cause of cognitive impairment after Down
syndrome.
D Fragile X is inherited.

Answer to Question 2

C
Feedback
A Nutritional deficits are related more to dietary habits and the caregivers'
understanding of nutrition.
B Visual impairments are unrelated to cognitive impairment.
C Safety is a challenge for cognitively impaired children. Decreased capability to
manage environmental challenges may lead to physical injuries.
D Psychiatric problems may coexist with cognitive impairment; however, they are
not environmental challenges.