This figure illustrates bone growth in length at the epiphyseal plate. Zone "A" represents
A. the zone of calcification.
B. the zone of proliferation.
C. the zone of resting cartilage.
D. bone tissue of the diaphysis.
E. the zone of hypertrophy.
Answer: C
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A) central canals. B) lacunae. C) canaliculi. D) medullary cavities. E) foramina.
An element that is a component of hemoglobin, myoglobin, and cytochromes is
A) calcium. B) magnesium. C) iron. D) zinc. E) cobalt.
Which is not a characteristic of the hormone oxytocin?
a. it stimulate uterine contractions. b. it promotes milk ejection from mammary gland ducts. c. it influences bonding behavior between mother and baby. d. it is a tropic hormone. e. none of these answers.
The type of connective tissue that contains chondrocytes, a rigid matrix of collagen fibers and proteoglycan-hyaluronic acid aggregates and few, if any, blood vessels is ________.
A. bone tissue B. cartilage C. adipose tissue D. muscle tissue E. fibrous connective tissue