FIRST
MBBS DEGREE MODEL EXAMINATION, AUGUST 2011
PHYSIOLOGY-
Paper 1
Time: 3Hours Total marks:50
- Answer all questions
- Draw diagrams whenever necessary
Long Essay: (10)
1. An 8 year
old boy presented with swelling of knee joint following a fall. He gave a past
history of repeated episodes of bleeding after minor injuries. Blood
investigations showed bleeding time-20 min,
platelet count-3 lakhs/cumm. Based on these findings a diagnosis of
Hemophilia was made.
Name the
different types and their causes
Comment on
the investigations giving their normal values
What is the
treatment (1.5+1.5+6+1=10 marks)
Short essay: (2×5=10)
2. Describe
the transport of Oxygen in blood
3. Explain
the mechanism of glucose reabsorption in renal tubules. What is the renal
threshold and transport maximum of glucose (3+1+1=5 marks)
Write briefly on: (5×3=15)
4. Gastric
phase of gastric secretion
5. Surfactant
6. Origin and
spread of cardiac impulse
7. Factors
affecting GFR
8.
Acclimatization
Draw and Label (2×2.5=5)
9.
Intrapleural pressure tracing
10.
Baroreceptor reflex mechanism
Explain the physiological basis of the
following (5×2=10)
11.
Polycythemia in high altitude
12.
Steatorrhoea after resection of terminal ileum
13. Cyanosis
is not seen in anemic hypoxia
14.
Korotkoffs sounds
15.
Hypertension is seen in Cushing’s syndrome
