This figure illustrates bone growth in length at the Epiphyseal Plate. What is zone "B"?
A. zone of calcification
B. zone of proliferation
C. zone of resting cartilage
D. bone of diaphysis
E. zone of hypertrophy
B
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Which of the following statements best describes interstitial growth of cartilage?
A) Unspecialized cells from mesenchyme develop into chondrocytes, which divide and form cartilage. B) Chondrocytes in the lacunae divide and secrete matrix, allowing the cartilage to grow from within. C) Growth occurs in the lining of the long bones. D) Fibroblasts give rise to chondrocytes that differentiate and form cartilage.
What is the major risk factor for developing COPD in old age?
A. A high fat diet B. Alcohol abuse C. Genetic predisposition D. Lack of exercise E. Smoking
Although discovered in the semen, prostaglandins are ubiquitous, locally-acting chemical messengers that exert widespread effects throughout the body
Indicate whether the statement is true or false
Which of the following arteries supply blood to the brain?
A. Both "Internal carotid arteries" and "Vertebral arteries" is correct. B. Internal carotid arteries C. Vertebral arteries D. External carotid arteries