Connective Tissues Quiz
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Questions and Answers

What is the common source from which connective tissues derive in embryonic development?

Mesenchyme

What is the most common function of all connective tissues?

To maintain the stability of the organism’s internal environment (homeostatic)

What is the main function of connective tissues in providing gas exchange in other tissues?

Respiratory function

What are the three different forms of intercellular substance found in connective tissues?

<p>Liquid in the blood and lymph, jelly-like in the mucous tissue, solid in the bone tissue</p> Signup and view all the answers

What are the various supportive, mechanic functions of connective tissues?

<p>(a) Formation of the stroma of various organs; (b) formation of capsules of various organs associated with stromal elements; (c) formation of organs that play the supporting role and protect elements in the body (tendons, ligaments, cartilage, bones)</p> Signup and view all the answers

What are the 5 subgroups of connective tissues?

<ol> <li>Blood, lymph 2. Hematopoietic tissues: myeloid and lymphoid 3. Fibrous connective tissues (proper connective tissues): A) loose fibrous connective tissue B) dense fibrous connective tissue (regular and irregular) 4. Connective tissues with specific properties: adipose, reticular, mucous, pigment 5. Skeletal connective tissues: cartilage and bone</li> </ol> Signup and view all the answers

What are the functions of blood?

<ol> <li>Respiratory (transport of oxygen from the lungs to all organs and carbon dioxide from the organs to the lungs); 2. Trophic (delivery of nutrients to organs); 3. Protective (ensuring humoral and cellular immunity, blood clotting in case of injuries); 4.Excretory (removal and transport to the kidneys of metabolic products); 5. Homeostatic (maintaining the constancy of the internal environment of the body, including immune homeostasis). 6. Transportive - transport of hormones and other biologically active substances.</li> </ol> Signup and view all the answers

What is the composition of plasma in blood?

<p>PLASMA(55-60%) water - 90-93%, Organic substance- 6-9% (proteins - albumins, γ globulins, α and β agglutinins, fibrinogen, prothrombin, enzymes; lipids, carbohydrates, hormones, vitamins). Inorganic substance - 1% (buffer systems - pH 7.4; electrolytes, trace elements).</p> Signup and view all the answers

What are the formed blood cells in blood composition?

<p>White blood cells– leucocytes (4,5–9,5×109 /l) Postcellular structures: red blood cells (4,0-5,5× 1012/l), thrombocytes (200-400×109 /l)</p> Signup and view all the answers

What is the embryonic origin of blood?

<p>The extraembryonic mesenchyme of the yolk sac → PBC (primitive blood cell) → differentiating progenitor cells → FBC (Formed blood cells)</p> Signup and view all the answers

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