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In acute constipation, purgatives that a...

In acute constipation, purgatives that are common to stimulate intestinal peristalsis and evacuation of fluid feces contain salts of

A

Sodium

B

Magnesium

C

Potassium

D

Calcium

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The correct Answer is:
B
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Assertion: In acute constipation, purgative containing magnesium salts are generally used. Reason: The osmotic effect of Mg^(2+) in the intestinal lu- men prevents Water reabsorption from intestine. Mg^(2+) increases the solute concentration in the intestinal lumen because Mg^(2+) is absorbed very slowly

Sugar containing an impurity of common salt can be purified by crystallisation from

Anser simply as, a,b,c or d (i) Sucrase in an enzyme found in (a) Saliva (b) Gastric juic (c ) Intertinal juice (d) Panceatic juice (ii) Most digestion occurs in (a) Mouth (b) stomach (c ) small intestine (d) Large intestine (iii) What is the substrate of salivary amylase? (a) Protein (b) starch (c) Glucose (d) maltose (iv) The funcitons of bile are listed below. Pick out the false statement (a) Bie neutralses the acidic of food (b) It provides an alkaline medium for the interstinal proteases (c ) It contains a lipase (d) Its salt emulsify fats.

a. SAN generates as action potential which stimulates atrial systole. b. ECG is an electrical representation of the graphical activity of the heart during a cardiac cycle. c. The cardiac output of a normal man will be much lesser than an athlete. d. The wall of right ventricle is much thicker than the left ventricle e. In pisces the two separate circulatory pathways are present, hence they have double circulation. f. The clsoed circulatory pattern is considered to be more advantageous than open circulatory pattern. g. Glucose is absorbed by simple diffusion through lymph in lacteales present in the intestinal villi. h. The SAN can generate the maximum number of action potential i.e. 140-150 mi n^(-1) in neonates, and is responsible for initiation and maintenance of the rhythmic contractile activity of the heart. i. Angina can occur in any age but more common among the neonates and infants. j. heart failure is sometimes called congestive heart failure because congestion of the blood vessels is one of the main symptoms of this disease.

A : Postganglionic nerve fibre of parasympathetic nervous system have acetylcholine while sympathetic nervous system have adrenaline as the neurotransmitter. R : Sympathetic nervous system inhibit the intestinal peristalsis while parasympathetic stimulate peristalsis.

Assertion (A): Bile juice helps in digestion of food in small intestine. Reason (R): Bile juice contains sodium salts.

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