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WorksheetsChapters 5 to 8 Histo Past Year
Total questions: 61
Worksheet time: 1hrs 1mins
Name
Class
Date
1.
All connective tissues originate from ectoderm.
a)
True
b)
False
2.
Ascorbic acid deficiency leads to collagen deficiency.
a)
True
b)
False
3.
Ascorbic acid deficiency leads to overgrowth of connective tissue.
a)
True
b)
False
4.
Ascorbic acid deficiency leads to the degeneration of connective tissue.
a)
True
b)
False
5.
Collagen type I forms large, eosinophilic bundles usually called “collagen fibers”.
a)
True
b)
False
6.
Elastic fibers are predominant elements of loose connective tissue.
a)
True
b)
False
7.
Extracellular space of connective tissues is a part of ground substance.
a)
True
b)
False
8.
Fibroblasts are predominant elements of loose connective tissue.
a)
True
b)
False
9.
Fibroblasts involved in wound healing have a well-developed secretary function.
a)
True
b)
False
10.
Fibroblasts synthesize and secret – between the others – collagen and elastin.
a)
True
b)
False
11.
Fibrocyte is highly active form of fibroblast.
a)
True
b)
False
12.
GAGs determine resistance of tendons to forces.
a)
True
b)
False
13.
Ground substance of connective tissues contains collagen fibers.
a)
True
b)
False
14.
Ground substance of connective tissues is a part of extracellular space.
a)
True
b)
False
15.
Histocytes derive from differentiated fibroblasts.
a)
True
b)
False
16.
Hyaluronic acid is intensely hydrated molecule of ground substance.
a)
True
b)
False
17.
Mast cells are predominant cells of dense fibrous tissue.
a)
True
b)
False
18.
Mesenchyme consists of a population of well differentiated cells surrounded by an ECM rich in collagen.
a)
True
b)
False
19.
Mucoid connective tissue is similar to the tissue found in the pulp cavities.
a)
True
b)
False
20.
Network-forming collagens types are I, II, III, V, XI.
a)
True
b)
False
21.
Proteoglycans are intensely hydrated molecules of ground substance.
a)
True
b)
False
22.
Reticular fibers have rubberlike properties.
a)
True
b)
False
23.
Transformation of preprocollagen into procollagen takes place in extracellular environment.
a)
True
b)
False
24.
Transformation of preprocollagen into procollagen takes place in intracellular environment.
a)
True
b)
False
25.
Adipocytes are the sole source of leptin.
a)
True
b)
False
26.
Adipocytes function as key regulators of the body’s overall energy metabolism.
a)
True
b)
False
27.
Brown adipose tissue contain cells with very large droplet of fat fulfilling the cytoplasm.
a)
True
b)
False
28.
Brown adipose tissue is subdivided into incomplete lobules.
a)
True
b)
False
29.
Free fatty acids enter the adipocyte by both active transport and diffusion.
a)
True
b)
False
30.
Most cytoplasmic organelles in a white adipocyte are near the peripheral nucleus.
a)
True
b)
False
31.
Principal function of yellow adipose tissue is lipids storage.
a)
True
b)
False
32.
The main function of multilocular adipose cells is to produce heat.
a)
True
b)
False
33.
The main function of unilocular adipose cells is to produce heat.
a)
True
b)
False
34.
The number of white adipocytes increases during cold adaptations.
a)
True
b)
False
35.
Aggrecan is the most abundant multi-adhesive glycoprotein of the hyaline cartilage.
a)
True
b)
False
36.
All cartilages are derived from embryonic mesenchyme in the process of chondrogenesis.
a)
True
b)
False
37.
Chondrocytes exhibit high metabolic activity.
a)
True
b)
False
38.
Chondrocytes of fibrocartilage produce intercellular substance containing type II collagen.
a)
True
b)
False
39.
Diaphysis is almost totally composed of spongy bone.
a)
True
b)
False
40.
Extracellular matrix of cartilage is synthesized by chondrocyte.
a)
True
b)
False
41.
Hyaline cartilage cells metabolize glucose mainly by anaerobic glycolysis.
a)
True
b)
False
42.
Hyaline cartilage is susceptible to calcification during aging.
a)
True
b)
False
43.
Most of the collagen in hyaline cartilage is type II.
a)
True
b)
False
44.
Perichondrium is avascular.
a)
True
b)
False
45.
The elastic cartilage is present in articular ends of bones.
a)
True
b)
False
46.
The perichondrium consists mostly collagen type II fiber and fibroblasts.
a)
True
b)
False
47.
The perichondrium surrounds cartilage in most places.
a)
True
b)
False
48.
Type II collagen fibers are characteristic for the matrix of fibrocartilage.
a)
True
b)
False
49.
Collagen type III is specific for bones.
a)
True
b)
False
50.
Endosteum contains osteogenic cells.
a)
True
b)
False
51.
Endosteum covers all trabeculae around the marrow cavities.
a)
True
b)
False
52.
Inner circumferential lamellae can be found around the marrow cavity.
a)
True
b)
False
53.
New, not calcified yet material produced by osteoblasts is osteocalcin.
a)
True
b)
False
54.
Osteoblasts differentiate from osteoprogenitor cells in the periosteum and endosteum.
a)
True
b)
False
55.
Osteoblasts secrete the matrix which is then calcify.
a)
True
b)
False
56.
Osteoblasts secrete type II collagen, several glycoproteins, and proteoglycans.
a)
True
b)
False
57.
Osteoclasts synthesize and secrete the organic component of the matrix.
a)
True
b)
False
58.
Osteon is a functional unit of the trabecular bone.
a)
True
b)
False
59.
Parathyroid hormone acts primarily on osteoblast receptor.
a)
True
b)
False
60.
Temporary skeleton of the embryo is formed by elastic cartilage.
a)
True
b)
False
61.
Woven bone is characterized by parallel bundles of collagen in thin layers.
a)
True
b)
False
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