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Quiz 1
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Q.1
Which of the following are proteolytic enzymes
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Ptyalin, trypsin, pepsin
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Erepsin, trypsin, pepsin
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Lipase, erepsin, trypsin
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Pepsin, nuclease, nucleotidase
Q.2
Which of the following statements is correct
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Villkinin is secreted by large intestine
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Succus entericus has pH of 2.8
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Brunner's glands are found in jejunum
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Argentaffin cells produce serotonin
Q.3
Select the incorrect match
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Bradycardia - slow heartbeat
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Tachycardia - fast heartbeat
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Thrombosis - decrease blood flow to brain
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Heart Attack - death of heart muscle
Q.4
Which of the following causes an increase in sodium reabsorption in the distal convoluted tubule
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decrease in aldosterone level
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increase in aldosterone levels
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decrease in antidiuretic hormone levels
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increase in antidiuretic hormone levels
Q.5
Visiting high mountain main cause altitude sickness in men living in plain areas. Prime cause of this is
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excess of \(CO_2\) in blood
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decrease deficiency of haemoglobin
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decreased partial pressure of oxygen
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increased proportion of oxygen in air
Q.6
Between Breaths the intrapleural pressure is approximately …….. mm Hg less than atmospheric pressure
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4
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8
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1
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10
Q.7
Haldane effect plays an important role in promoting carbon dioxide transport than the Bohr's effect in promoting oxygen transport because
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oxyhaemoglobin is a stronger acid which donates hydrogen ion which in turn displace carbon dioxide from blood
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carbaminohemoglobin is a stronger acid with splits into hydrogen and bicarbonate
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carbon dioxide is less soluble in venous blood than in arterial blood.
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carbon dioxide reacts with water to form carbonic acid that lowers the pH in tissues
Q.8
Identify the correct statement with reference to transport of respiratory gases by blood
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only oxygen is transported by blood
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Hemoglobin is necessary for transport of carbon dioxide and carbonic anhydrase for transport of oxygen
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only carbon dioxide is transported by blood
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haemoglobin is necessary for transport of Oxygen and carbonic anhydrase for transport of carbon dioxide
Q.9
Select the incorrect statement
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ADH decreases the reabsorption of water in the DCT and collecting duct
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A normal adult person secretes about 1.5 litres of urine in 24 hours
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Tubular reabsorption takes place by passive and active transport
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Cortical nephrons control plasma volume under normal water supply
Q.10
The joint found in head of upper arm and pectoral girdle is
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Ball and socket joint
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Saddle joint
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Hinge Joint
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Gliding joint
Q.11
Intervertebral disc is found in the vertebral column of
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mammals
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amphibian
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reptiles
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birds
Q.12
Which of the following changes occur in diaphragm and intercostal muscles when expiration of air takes place
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none of these
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Internal intercostal muscles relax and diaphragm contracts
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external intercostal muscles and diaphragm relax External intercostal muscles and diaphragm contract
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Internal intercostal muscle contract and diaphragm relax
Q.13
Which of the following conditions causes filling of urinary bladder
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Contraction of detrusor muscle of urinary bladder and relaxation of internal sphincter
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Relaxation of detrusor muscle of urinary bladder and construction of internal sphincter
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Construction of detrusor muscle of urinary bladder and internal sphincter
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Relaxation of detrusor muscle of urinary bladder and internal sphincter
Q.14
In the Gastrointestinal tract, Meissner's plexus and the Auerbach's plexus occur respectively in the
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submucosa and muscularis externa
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submucosa and mucosa
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mucosa and muscularis externa
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lamina propria and muscularis mucosa
Q.15
A fall in glomerular filtration rate (GFR) activates
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posterior pituitary to release vasopressin
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adrenal medulla to release adrenaline
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juxtaglomerular cells to release renin
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heart to release atrial natriuretic factor
Q.16
Cardiac activity could be moderated by the autonomous neural system. Which of the following statements is correct
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The sympathetic system stimulates heart rate and stroke volume
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The sympathetic system decreases the heart rate but increases stroke volume
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The parasympathetic system stimulates heart rate and stroke volume
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The parasympathetic system decreases the heart rate but increases stroke volume
Q.17
Which one of the following is a skull bone
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Atlas
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Arytaenoid
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Coracoid
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Pterygoid
Q.18
Which one of the following statements is true
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head of humerus bone articulates with the cavity called acetabulum of pelvic girdle
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head of humerus bone articulates with fluoride cavity of pelvic girdle
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head of humerus bone articulates with glenoid cavity of pectoral girdle
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head of humerus bone articulates with acetabulum of pectoral girdle
Q.19
Which of the following excretory organ is correctly matched with the organism in which it is found
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Malpighian tubule - Annelids
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Nephridia - Crustaceans
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Antennal gland or green gland - Insects
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Flame cells - Platyhelminthes
Q.20
The binding of oxygen with haemoglobin tends to displace carbon dioxide from the blood. This phenomenon is known as
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Bohr effect
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oxygen dissociation curve
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Haldane effect
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Hamburger's phenomenon
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