Quiz on Down Syndrome

What is Down syndrome caused by?

• A missing chromosome 21

• An extra chromosome 21

• A mutation in chromosome 22

• A deletion in chromosome 20

What type of condition is Down syndrome?

• Infectious

• Genetic

• Environmental

• Autoimmune

What are some characteristics of Down syndrome?

• Rapid growth and development

• Growth, developmental, and learning delays

• Enhanced cognitive abilities

• Increased physical strength

How do the learning delays in Down syndrome vary?

• From mild to severe

• From moderate to extreme

• From slight to moderate

• From severe to extreme

Down syndrome affects which of the following?

• Only the brain

• Only the heart

• Some or all of the body cells

• Only the skin

What is the range of learning delays in individuals with Down syndrome?

• Mild to moderate

• Mild to severe

• Moderate to severe

• Severe to extreme

What is the usual cause of Down Syndrome?

• A virus

• Nondisjunction

• A bacterial infection

• A vitamin deficiency

How many copies of chromosome 21 are present in an embryo with Down Syndrome?

• One

• Two

• Three

• Four

What is the term for the error in cell division that causes Down Syndrome?

• Translocation

• Nondisjunction

• Inversion

• Duplication

What is a common physical trait of individuals with Down Syndrome related to their neck?

• Long neck

• Short neck

• Thick neck

• Thin neck