Which of these is responsible for the flexibility of bone?
A. collagen
B. canaliculi
C. calcium salts
D. cartilage
Answer: A. collagen
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What does the lambdoid suture separate the parietal bones from?
A. The temporal bone B. Each other C. The occipital bone D. The frontal bone E. The sphenoid bone
If a lever has a fulcrum at one end, a tendon exerting force 5 cm distal to the fulcrum, and resistance at the end opposite to the fulcrum, which of the following is true?
A. It is a first-class lever. B. The mechanical advantage is higher than 1.0. C. It is a third-class lever. D. This joint would use "low-gear" muscles. E. The point of effort will move farther than the point of resistance.
Which of the following is not an upper limb bone?
A) ulna B) radius C) humerus D) metatarsals E) carpals
Severe anemia may trigger an adaptive conversion of
A. red marrow to yellow marrow. B. yellow marrow to red marrow. C. bone marrow to spongy bone. D. spongy bone to compact bone.