During embryonic development of the limbs, which limb buds appear first?

A. Upper limb buds
B. Lower limb buds


Answer: A

Anatomy & Physiology

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The principle of conservation of momentum restates which of Newton's laws?

A. inertia B. acceleration C. action/reaction D. gravitation

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Two tracts found within the extrapyramidal system are the

A. rubrospinal and corticospinal. B. spinothalamic and tectospinal. C. vestibulospinal and rubrospinal. D. corticobulbar and vestibulospinal. E. corticospinal and corticobulbar.

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Small sacs lined with synovial fluid in joints are called:

a. mucocutaneous sacs b. parietal sacs c. visceral sacs d. bursae

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The first segment of the small intestines is the

A. pylorus. B. duodenum. C. ileum. D. jejunum. E. ilium.

Anatomy & Physiology