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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. From where does Sherrington discover signals originate to cause movement?
(a) The muscle itself.
(b) The spinal cord.
(c) The blood.
(d) The brain.

2. What sport does David participate in during High School?
(a) Wrestling.
(b) Basketball.
(c) Soccer.
(d) Tennis.

3. What is one thing that prompted the author to write this book on the hand?
(a) His father getting arthritis and his left hand becoming non-functional.
(b) His taking tennis lessons.
(c) His learning to play the piano.
(d) His trying to learn to play a video game.

4. Until recently, how have anthropologists perceived ape and human hands?
(a) As structurally equivalent.
(b) As functionally equivalent.
(c) As functionally very different.
(d) As structurally radically different.

5. What does Galen discover?
(a) Pairs of muscles must pull in the same direction for action.
(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) Muscles cannot pull without ligaments acting in opposition.

Short Answer Questions

1. What is the other main reason the author writes this book on the hand?

2. What does the neocortex size reliably predict?

3. What did hominids require in order to expand their range beyond the jungle?

4. What is the purpose of the shoulder, arm and hand in being fully integrated?

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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