<p> Supplementary Bachelor of Physiotherapy I (First) Year Annual Examination 2011-12</p><p>Course Code: BPT103 Paper ID: S411103</p><p>Human Physiology</p><p>Time: 3 Hours Max. Marks: 70 </p><p>Max Marks: 75</p><p>Note: Attempt the questions as per instructions Q. No. 1 is compulsory.</p><p>1. Choose the correct alternative: (1x10=10) A) Deglutition refers to: i) Chewing the food into smaller particles ii) Degradation of food by digestive enzymes iii) Transport of nutrients from small intestine into the circulation iv) Swallowing the food B) Myasthenia gravis is characterized by: i) Formation of circulating antibodies to the nicotinic A- CH receptors ii) Sustained contraction of muscles iii) Most commonly affected muscles are those of the limbs iv) Formation of antibodies against Ca2+ channels C) Anaemic hypoxia is characterized by: i) Low arterial O2 content ii) Low arterial PO2 iii) Cyanosis iv) Decreased blood flow D) Which of the following does not occur as blood passes iii) Vaporization of sweat through the systemic capillaries? iv) Radiation and conduction i) Its hematocrit increases ii) Its hemoglobin dissociation curve shifts to the left 2. Answer any six of the following (limit your answer in 50 iii) Its protein content increases words). (6x5=30) iv) Its pH decreases a) Name the receptors of vision and describe the pathway of E) Which of the following is an important buffer in interstitial light reflex. What is indirect light reflex? fluid: b) Where is CSF produced? Describe any 4 functions i) Haemoglobin CSF. ii) Carbonic acid c) Describe how the carotid nerves help in regulation of iii) H2PO4 blood pressure. iv) Compound containing histidine d) What is surfactant? Describe its functions. F) What is the clearance of a substance when its concentration e) What is grave’s disease? Give any 4 of its signs and in the plasma is 10 g/dl, its concentration in the urine is 100 symptoms. mg/dl, and urine flow is 2 ml/min?: f) Give the normal plasma protein level. Describe any 4 i) 2 ml/min ii) 10 ml/min functions of plasma proteins. iii) 20 ml/min iii) 200 ml/min g) Name the disorder caused by hemi section of the G) The Fovea of the eye: spinal cord. Give its clinical features. i) Is the region of highest visual acuity h) Draw and explain a normal oxygen dissociation ii) Contains only red and green cones curve. iii) Contains only rods i) Classify WBC and describe any 3 of its functions. iv) Is situated over the head of the optic nerve H) Which statement is correct concerning immune-globulins in 3. Attempt any two of the following. (2 x 15 = 30) the ascending order of their concentration in the plasma?: i) IGA<IGE<IGG<IGM a) What are the various blood groups you know? ii) IGE<IGM<IGA<IGG Describe any 4 effects of mismatched blood. iii) IGE<IGM<IGA<IGG iv) IGE<IGA<IGM<IGG b) Define glomerular filtration rate. Give its normal I) At the end of normal inspiration: value. Describe in details, the method used to estimate it. i) Intra-plural pressure is less than atmospheric pressure ii) Intra-alveolar pressure is same as atmospheric c) Name the centers of respiration. Describe the pressure chemical regulation of respiration. iii) Both iv) Neither J)When an individual is naked in a room in which the air temperature is 21°C (69.8°F) and the humidity 80%, the greatest amount of heat is lost from the body by: i) Respiration ii) Urination</p>