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27 the primary function of serous membranes in the

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27. The primary function of serous membranes in the body is to:(a) minimise friction between opposing surfaces(b) line cavities that communicate with exterior(c) perform excretory and absorptive function(d) cover the surface of the body
28. Which gland has both tubular-acinar structures, in which each section of thesecretory system has a specialized function?
29.Muscle develops from embryonic tissue layer called
30.The thick myofilaments in striated muscles are given structural support and heldin place and by a giant protein molecule(a) actin(b) myosin(c) Z line(d) titin31. Oligodendrocytes form myelin sheath around axons in the peripheral nervoussystem. (T/F)32. Osteoclasts arise by the fusion of monocytes or macrophages (T/F)33. Dendrites are part of the receptive surface of the neurone (T/F)34. In longitudinal H&E stained sections it is not possible to identify the axon runningin its myelin sheath, nodes of Ranvier and Schwann cell nuclei (T/F)35. Collagen type II is the dominant collagen form in bone (T/F)36. Oligodendrocytes may, in contrast to Schwann cells in the periphery, form parts ofthe myelin sheath around several axons. (T/F)37. In the process of the deposition of the matrix, osteoblasts become encased in smallhollows within the matrix, the lacunae. (T/F)38. Afferent, sensory fibres enter the spinal cord via the dorsal root. (T/F)39. Osteocytes contain less endoplasmatic reticulum and bigger than osteoblasts.(T/F)40. The node of Ranvier is the place along the course of the axon where two myelinsegments are joined. (T/F)
SECTION B ( attempt three questions)(1) Differentiate among three major types of cartilage in the body.(2) With the aid of the labelled diagram describe the detailed structure of the compactbone tissue.(3) Write short notes on four of the following:(a) Osteoclasts(b) Multipolar neurone(c) Exocrine glands(d) Neurons(e) Pseudostratified columnar epithelium(f) Ground substance(4) Compare and contrast exocrine and endocrine glands.
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Term
Fall
Professor
NoProfessor
Tags
Epithelial cells, Collagen

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