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This quiz consists of 5 multiple choice and 5 short answer questions through The Twenty-Four-Karat Thumb.

Multiple Choice Questions

1. What does Charles Bell say practice enables?
(a) The juggler to manage a dozen or more objects.
(b) The hand and eye to develop as sense organs.
(c) The juggler to talk and juggle at the same time.
(d) The juggler to juggle and chew gum at the same time.

2. What does the author say comes to life even before you rise out of bed in the morning?
(a) Your brain.
(b) Your dog.
(c) Hands and arms.
(d) Your digestive juices.

3. Who is Robin Dunbar?
(a) A professor of anthropology.
(b) A professor of archeology.
(c) A professor of biology.
(d) A professor of genealogy.

4. Up until a certain point, what separated the human hand from that of the ape's hand?
(a) The texture.
(b) The size.
(c) The thumb.
(d) The number of digits.

5. What does Duchenne figure out how to demonstrate?
(a) The way a muscle expands in order to pull.
(b) The way a muscle contracts in order to push.
(c) The physiology of movement.
(d) The way an electrical charge stops movement.

Short Answer Questions

1. What does the author say we are dependent upon that we rarely think about?

2. How many fingers does George saw off his right hand by accident?

3. Why was Serge Percelly told he had the eye for tennis?

4. What is the critical significance of the paddle in Duchenne's model?

5. What is the juggling riddle?

(see the answer key)

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