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Body Fluids and Circulation Test - 27

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Body Fluids and Circulation Test - 27
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  • Question 1
    1 / -0
    Which of the following is the right match with the components of transport system of human beings with their functions?
    ComponentsFunctions
    1Heart$$O_2$$ transport
    2FibrinogenBlood clotting
    3RBCForms fibrin
    4PlateletsPumps blood
    Solution
    Blood is a special connective tissue consisting of a fluid matrix, plasma, and formed elements. Plasma is a straw coloured, viscous fluid constituting nearly 55 percent of the blood. 90-92 percent of plasma is water and proteins contribute 6-8 percent of it. Fibrinogen, globulins and albumins are the major proteins. Fibrinogens are needed for clotting or coagulation of blood. During blood clotting, fibrinogen is converted into a network of protein fibres called fibrin in which blood cells get entangled.
    Thus, the correct answer is option B. 
  • Question 2
    1 / -0
    Lymph drains excess fluid from extracellular space back into
    Solution
    Lymph is a colourless fluid and connective tissue. It carries an excess of the extracellular fluid back to the venous system or it absorbs the excess fluid from the tissue and to return it to the blood. Lymphatic capillaries join and form lymphatic vessels further it forms lymphatic ducts. It is of two types: thoracic duct and right lymphatic duct. A small bean- shaped lymphoid organ surrounded by fibrous connective tissue carries fluid, nutrients & waste material between the body are lymph nodes or lymph glands.
    Thus, the correct answer is A.
  • Question 3
    1 / -0
    Fluids other than blood that help in transportation 
    Solution
    • As the blood passes through the capillaries in tissues, some water along with many small water-soluble substances, move out into the spaces between the cells of tissues, leaving the larger proteins and most of the formed elements in the blood vessels. 
    • This fluid released out is called the interstitial fluid or tissue fluid. It has the same mineral distribution as that in plasma. 
    • The exchange of nutrients, gases, etc., between the blood and the cells, always occurs through this fluid. 
    • An elaborate network of vessels called the lymphatic system collects this fluid and drains it back to the major veins. 
    • The fluid present in the lymphatic system is called lymph. Lymph is a colorless fluid containing specialized lymphocytes which are responsible for the immune responses of the body. Lymph is also an important carrier for nutrients, hormones, etc. 
    • Fats are absorbed through lymph in the lacteals present in the intestinal villi.
    • So, we can conclude that tissue fluid and lymph both help in transportation along with blood.
    Hence, the correct option is D.
  • Question 4
    1 / -0
    Oxygen is transported in blood mainly by 
    Solution
    Haemoglobin (Hb), is a protein molecule found in red blood cells (erythrocytes). Haeme is the component of haemoglobin responsible for binding oxygen. Thus, RBC transports oxygen in the blood.
  • Question 5
    1 / -0
    High blood pressure is called as
    Solution
    Hypertension is the term for high blood pressure when blood pressure is higher than normal (normal 120/80 mmHg). In this measurement 120 mm Hg (millimeters of mercury pressure) is the systolic, or pumping pressure and 80 mm Hg is the diastolic, or resting pressure. If repeated checks of blood pressure of an individual are 140/90 (140 over 90) or higher, it shows hypertension. High blood pressure leads to heart diseases and also affects vital organs like brain and kidney.
    So, the correct answer is option C.
  • Question 6
    1 / -0
    Blood goes through the heart twice during each cycle is called as
    Solution
    Double circulationI is a type of circulatory system, where the heart pumps the blood twice to perform its function. The first pumping sends the blood to be circulated through the lungs, and the second pumping circulates the blood throughout the body. The right side of the heart accepts blood that has been circulated throughout the body and pumps it at a relatively low pressure to the lungs. In the lungs, the blood is replenished with oxygen. Once the blood has been completely circulated through the lungs, it returns to the heart. Arriving at the much larger left side of the heart, the blood is then pumped out to the entire body. 
    So, the correct answer is option A.

  • Question 7
    1 / -0
    Which side of the heart pumps only deoxygenated blood?
    Solution
    The right atrium receives deoxygenated blood from the superior vena cava, which drains blood from the veins of the upper organs and arms. The right atrium also receives blood from the inferior vena cava, which drains blood from the veins of the lower organs and legs. This deoxygenated blood then passes to the right ventricle through the right atrioventricular valve (tricuspid valve).
  • Question 8
    1 / -0
    Lymph carries digested and absorbed fat from 
    Solution
    The fluid present in the lymphatic system is called as the lymph. Lymph is a colourless fluid containing specialised lymphocytes, which are responsible for the immune responses of the body. Lymph is also an important carrier for nutrients, hormones, etc. Fats are absorbed through lymph in the lacteals present in the intestinal villi.
  • Question 9
    1 / -0
    William Harvey is known for discovery of
    Solution
    William Harvey is known for the discovery of blood circulation. He was the first person to correctly describe blood’s circulation in the body. He showed that arteries and veins form a complete circuit. The circuit starts at the heart and leads back to the heart. So, the correct answer is option A.

  • Question 10
    1 / -0
    Hepatic portal system connects
    Solution
    • The hepatic system is so named since it connects capillaries of the intestine and other digestive organs to modified capillaries (hepatic sinusoids) of the liver.
    • Its main function is to deliver deoxygenated nutrient-rich blood to the liver to be detoxified further before it returns to the heart.

    Thus, the correct answer is option A.
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