KUHS MBBS Physiology Previous Question Paper - January 2026 (103001 2010 Scheme)

103001Kerala University of Health Sciences · Physiology · 2026 · January · 2010 Scheme

Questions (15)

1.A 28-year-old woman, a vegetarian, presented with progressive fatigue, numbness and tingling in her lower limbs, pallor, shortness of breath on exertion, and unintentional weight loss over the past two months. She also reported difficulty in concentrating and mild depression. On clinical examination, she appeared pale with a mild glossitis. Her blood investigations revealed: RBC count: 2.8 million cells/cu.mm, Hemoglobin: 6.0 g/dL, MCV: 120 fL, Peripheral smear: hypersegmented neutrophils and pancytopenia. After starting parenteral cobalamin therapy, she experienced marked improvement in energy levels, appetite, and mental clarity, with gradual weight gain. a) What is she suffering from. b) Explain erythropoiesis and which step of erythropoiesis gets affected in her. c) Explain the physiological basis behind this blood picture. d) List the factors regulating erythropoiesis.
10 Marks
2.Describe the stages of deglutition
5 Marks
3.Explain the conducting system of the heart
5 Marks
4.Isovolumetric relaxation phase
3 Marks
5.Counter-current multiplier
3 Marks
6.Role of Immunoglobulins in Immunity
3 Marks
7.Chemoreceptors in the regulation of respiration
3 Marks
8.Composition and functions of bile
3 Marks
9.Draw and label Lead II ECG
2½ Marks
10.Draw and label Oxygen-Hemoglobin Dissociation Curve
2½ Marks
11.Explain the physiological basis of Resting membrane potential in excitable cells
2 Marks
12.Explain the physiological basis of Urine concentration in the Distal Convoluted Tubule
2 Marks
13.Explain the physiological basis of Heart sounds during the cardiac cycle
2 Marks
14.Explain the physiological basis of Increased ventilation at high altitude
2 Marks
15.Explain the physiological basis of Cutaneous vasodilation in body temperature regulation
2 Marks

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