Match each substance involved in blood clot formation with its description or fu

Question

Match each substance involved in blood clot formation with its description or function. Vitamin K LBElerment necessary for the clotting process ·Calcium Prothrombin synthesis is dependent on the Thrombin presence synthesia is d. Plasmin Vascular Spasm dissolves blood clots QUESTION 24 The less fat in the body, the more blood there is per unit of body weight. True QUESTION 25 Ahematocrit of 40% means that in every 100 ml of whole blood, there are: a 40 ml of fluid plasma and 60 mi of red blood cells. 0 2liters (40% of 5 liters tota) offluid plasma. O4 40 red blood cells and the remainder is fluid plasma. Od.40 ml of red blood cells and 60 ml of fluid plasma. QUESTION 26

Explanation / Answer

Question.   Match substances involved in the blood clot formation with its description or function-

Answer-

C. Thrombin   -   converts fibrinogen into fibrin

A. Vitamin K   - Element necessary for clotting process

B. Calcium      - Prothrombin synthesis is dependent on the presence of---

D. Plasmin       - Substance that hydrolyzes fibrin and dissolves the blood clot

E. Vascular spasm - First step in Hemostasis is -

Question 24.   The less fat in the body, the more blood there is per unit of body weight.

Answer

Obese individuals, despite having increased total blood volume, are known to have lower unit blood volume than lean individuals because fat mass is under-perfused when compared to lean body mass.2,3  

Question 25. Hematocrit of 40% means, that in every 100 ml of blood, there are-

Answer- is option (D)

Question 26. The most abundant intracellular cation is –

K+      Since the most abundant intracellular fluid is Potassium   so the answer is option ( C).

Explanation:

Water is present in two major fluid divisons which are-

Intracellular fluid(ICF) ( present inside the cell and constitutes two-third of the volume)

Extracellular fluid (ECF)- is again divisible into 2 major sub-divisons, which are- plasma (fluid part of the blood) and Interstitial fluid (IF)- present between the cells spaces.

Both ECF and ICF contains solutes which have Electrolytes - inorganic salts, acids and bases and non-electrolytes – like glucose, lipids, creatinine and urea.

In ECF main and abundant cation is the Na+ and chloride is the main anion unlike ICF wherein, the main and abundant is K+ and phosphate is the main anion.

.

Question    Which is the example of an obligatory intracellular output-

Answer- is option is (B).

Explanation- water evaporation through skin is essential for homeostasis i.e maintaining constant internal body temperature.

Question 29. Formula representing Starling,s law of capillaries is-

Answer-

Question 30. Identify the best answer for the terms-

Answers-

Dehydration                                 - Hypovolemia   (Hypo- decreased or low ; vol-volume; emia- blood)

Increased blood potassium       -   Hypernatremia ( Hyper- increase; natre- sodium; emia- blood)

Decreased blood sodium           - Hyperkalemia( Hyper- increased; kal-potassium; emia- blood)

Excess fluid volume                    - Hypervolemia( Hyper- increased; vol- volume; emia- blood)

Explanation- In dehydration there is loss of significant amount of sodium (hyponatremia ) and potassium ( hypokalemia) along with decrease in total fluid volume ( Hypovolemia)

Question 31. Which of the following is true of body water-

Answer. Is option (D).

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