Which type of bone cell combines hydroxyapatite and collagen to form extracellular bone matrix?
A. Osteoclast
B. Osteoblast
C. Osteochondral progenitor cell
D. Osteocyte
Answer: B
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What type of muscle cell(s) have more than one nucleus?
A. Skeletal muscle cells only B. Smooth muscle cells only C. Smooth muscle cells and skeletal muscle cells D. Cardiac muscle cells and smooth muscle cells
When the radial muscles of the iris contract, the diameter of the pupil decreases.
Answer the following statement true (T) or false (F)
Which of the following are examples of neuroeffector synapses?
A) neuroneural synapse B) neuromuscular synapse C) neuroglandular synapse D) neuroaxonic synapses E) both neuromuscular synapse and neuroglandular synapse
What are possible products of glycolytic, or anaerobic, catabolism?
A) glucose only B) oxygen only C) ATP, pyruvate, and lactic acid D) creatine phosphate only