The Correct Answer is {"dropdown-group-1":"B"}
A. Phenylketonuria (PKU): PKU is an inherited metabolic (single-gene) disorder and is not related to maternal age in the way chromosomal nondisjunction is.
B. Down syndrome: Down syndrome (trisomy 21) risk increases markedly with maternal age; it occurs far less often in births to mothers aged 16–34 than in older mothers.
C. Turner syndrome: Turner syndrome results from monosomy X (missing X) and is not strongly linked to maternal age in the same way as trisomy 21.
D. Sickle-cell anemia: Sickle-cell anemia is an inherited single-gene disorder (autosomal recessive) tied to parental carrier status, not maternal age.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is {"dropdown-group-1":"C"}
Explanation
A. initiative: Initiative (initiative vs. guilt) is Erikson’s stage for early childhood (preschool years), not the adult generativity stage.
B. integrity: Integrity (integrity vs. despair) is Erikson’s final stage in late adulthood, concerning life review and acceptance.
C. generativity: Generativity (generativity vs. stagnation) is the central concern of middle adulthood—leaving a legacy and guiding the next generation.
D. stagnation: Stagnation is the negative pole of the same middle-adulthood stage (lack of productivity/concern for next generation), not the desirable outcome.
Correct Answer is D
Explanation
A. centration: Centration (focusing on one aspect of a situation) is a hallmark of the preoperational stage.
B. animism: Animism (attributing life/intentions to inanimate objects) is typical of preoperational children.
C. egocentrism: Egocentrism (difficulty taking others’ perspectives) is central to the preoperational stage.
D. All of the answers are correct: Since centration, animism, and egocentrism are all characteristic of the preoperational stage, this answer is correct.
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