What can a deficiency of growth hormone during bone formation cause?
A) inadequate calcification of bone
B) decreased osteoclast activity
C) decreased proliferation of the epiphyseal plate cartilage
D) increased osteoclast activity
C) decreased proliferation of the epiphyseal plate cartilage
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Which type of cell of the CNS is phagocytic?
A. Ependymal cells B. Satellite cells C. Oligodendrocytes D. Microglia
Matching
A) Blood supply that directly receives substances from the tubular cells. B) Site of filtrate formation. C) Site that drains the distal convoluted tubule. D) Site at which most of the tubular reabsorption occurs 17) Proximal convoluted tubule. 18) Glomerulus. 19) Peritubular capillaries. 20) Collecting duct.
The process of bone repair includes these steps: a: Fracture hematoma formsb: Bone is remodeledc: Fibrocartilaginous callus formsd: Bony callus formsThe correct chronological order for these steps is
A. a - b - d - c B. d - a - b - c C. b - a - c - d D. a - c - d - b E. c - d - b - a
Oxygen-poor blood passes through the _________.
A. right AV (tricuspid) and pulmonary valves B. right AV (tricuspid) valve only C. left AV (mitral) and aortic valves D. left AV (mitral) valve only E. pulmonary and aortic valves