Q.P.Code:104001 Reg.no:…………….
First professional
MBBS Degree Examinations, August 2014
PHYSIOLOGY-PAPER II
Time: 3Hours
Total Marks:50
- Answer all questions
- Draw diagrams wherever necessary
Long essay (10)
1. A 40 years old man came to the OPD with a gait
characterized by raising his feet unnecessarily high and bringing it down in a
stamping manner (stamping gait). He also stood with his feet wide apart and
tended to fall to the right with eyes closed. Answer the following questions
based on your knowledge in physiology:
- Where is the lesion in this patient?
- Describe the neural tract involved in this patient with the help of a diagram
- What are the sensations carried by this tract
- What is dissociated anesthesia (1+5+2+2=10)
Short essay (2×5=10)
2. Describe hormonal and endometrial changes during
menstrual cycle
3. Describe the auditory pathway. List the types of deafness
with a note on audiometry
Answer briefly (5×3=15)
4. Sensory homunculus
5. Dark adaptation
6. Role of the cerebellum in motor control
7. Physiological actions of growth hormones
8. Steps of spermatogenesis and list the hormones involved
Draw and label (2×2.5=5)
9. Feedback regulation of thyroid hormone secretion
10. Corticospinal tract
Explain the
physiological basis of the following (5×2=10)
11. End plate potential
12. Clasp knife rigidity
13. Contraceptive pills
14. Excitation contraction coupling
15. Pigmentation in Addison’s disease.
