The nurse is assessing the knowledge of new parents with a child born with maple syrup urine disease (MSUD). This is an autosomal recessive inherited disorder, which means that:
The disorder occurs in males and heterozygous females.
The disorder is carried on the X chromosome.
Both genes of a pair must be abnormal for the disorder to be expressed.
Only one copy of the abnormal gene is required for the disorder to be expressed.
The Correct Answer is C
Both genes of a pair must be abnormal for the disorder to be expressed. In autosomal recessive inheritance, the gene for the disorder is located on an autosome (any chromosome other than a sex chromosome) and a person must inherit two copies of the abnormal gene (one from each parent) in order for the disorder to be expressed. If a person inherits only one copy of the abnormal gene, they are a carrier of the disorder but do not typically show symptoms.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is C
Explanation
Hand hygiene is one of the most important infection prevention strategies in the NICU, and parents and visitors should be encouraged to wash their hands frequently, especially before touching the newborn. While wearing gloves can provide an additional barrier against infection, it is not a substitute for hand hygiene. Family members should be encouraged to visit and bond with their newborn, but they should be taught proper infection prevention measures to protect the infant's health. Avoiding direct contact with the newborn is not necessary as long as appropriate infection-prevention measures are taken.
Correct Answer is D
Explanation
Kangaroo care is skin-to-skin contact between a newborn and parent(s) that helps regulate the infant's temperature, respiratory and heart rates, and enhances parent-infant bonding.
It is recommended for all infants, regardless of their gestational age or health status, and has been found to improve outcomes for premature and low-birth-weight infants. Kangaroo care is not specifically designed to address motor and CNS impairments, nor is it adopted from classical British nursing traditions. While it may help prepare infants for breastfeeding, this is not the primary goal of the intervention.
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