Besides the supinator, which other muscle is a powerful supinator of the forearm?
A. Brachialis
B. Triceps brachii
C. Pronator quadratus
D. Biceps brachii
E. Pronator teres
Answer: D
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A substance that dissociates in water, releasing hydrogen ions, is a(n)
A. salt. B. protein. C. acid. D. base.
When stress is applied to a bone,
A) the minerals in the bone produce a weak electrical field that attracts osteoblasts. B) osteoclast activity increases and osteoblast activity decreases. C) the bone becomes thin and brittle and ultimately fractures. D) the bone compensates by becoming thinner in the region of stress. E) blood supply through the nutrient artery diminishes and thus remodeling proceeds at a much slower rate.
What do most bones develop from?
A. Osseous tissue B. Endoderm C. Hyaline cartilage D. Bone marrow E. Fibrocartilage
Which branch of the abdominal aorta supplies the distal end of the large intestine?
A. The celiac trunk B. The superior mesenteric C. The inferior mesenteric D. The lumbar E. The internal iliac