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This quiz consists of 5 multiple choice and 5 short answer questions through Hand, Eye and Sky.

Multiple Choice Questions

1. What does Galen discover?
(a) Muscles cannot pull without ligaments acting in opposition.
(b) Ligaments pull muscles in the same direction for pulling and in opposite directions for pushing
(c) Pairs of muscles are required to pull against each other for action.
(d) Pairs of muscles must pull in the same direction for action.

2. What is one very important problem-solving strategy?
(a) Creating tribes.
(b) Farming.
(c) Language.
(d) Organizing.

3. Why does the author say juggling might be considered a pastime that accomplishes nothing?
(a) It has no purpose.
(b) It returns all items used back to their original state.
(c) It replaces the energy it uses but there is not net gain.
(d) It does not earn you any money.

4. What does Herophilus discover?
(a) The muscles along the spinal cord are denser because of the neurons packed in them.
(b) Some neurons connect muscles to the spinal cord; whereas, other connect muscles to bone.
(c) Neurons can regenerate.
(d) Neurons cannot regenerate.

5. What problem causes the author to reach a turning point in his thinking about the hand?
(a) Musician's cramp.
(b) A stroke.
(c) A broken wrist.
(d) A finger amputation.

Short Answer Questions

1. What is one thing that shoulder and forearm development enabled?

2. What does Duchenne figure out how to demonstrate?

3. What is one thing that prompted the author to write this book on the hand?

4. What did the brain do when the forelimbs were no longer used to walk?

5. According to Wilson, how many problem-solving strategies are there that stand out above all others?

(see the answer key)

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