Jerry Was Born with a Round Face,flattened Skull,short Limbs,and Retardation

question 58

Multiple Choice

Jerry was born with a round face,flattened skull,short limbs,and retardation of motor and mental abilities.The doctors told Jerry's parents that this is because he has an extra copy of chromosome 21.Which of the following chromosomal abnormalities does Jerry have?

• A)Phenylketonuria
• B)Turner syndrome
• C)Sickle-cell anemia
• D)Down syndrome

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Definitions:

Ventral

Pertaining to the front or anterior part of the body; opposite of dorsal.

Cephal/o

A prefix in medical terminology meaning "head."

Crani/o

A prefix related to the skull or cranium, used in medical terminology.

Carp/o

A combining form used in medical terminology referring to the wrist (carpal bones).