If You Think of the Tube- Within- A- Tube Body

question 24

Multiple Choice

If you think of the tube- within- a- tube body plan as a pipe with a straw inside, where would you expect to find most of the ectodermal, mesodermal, and endodermal germ layers, respectively?

• A) straw; space between pipe and straw; pipe
• B) pipe; straw; space inside of straw
• C) space inside of straw; straw; space between pipe and straw
• D) pipe; space between pipe and straw; straw

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Definitions:

Post-Traumatic Stress Disorder (PTSD)

A psychological disorder caused by either undergoing or observing a distressing incident, identified by involuntary memories, bad dreams, and intense worry.

Seasonal Affective Disorder (SAD)

A type of depression that occurs at a specific time of year, usually in winter.

Attention Deficit Hyperactivity Disorder (ADHD)

A neurodevelopmental disorder characterized by problems with focus, hyperactivity, and impulsiveness that are not appropriate for a person's age.

Factitious Disorder

A mental disorder wherein a person acts as if they have an illness by deliberately producing, feigning, or exaggerating symptoms.