KNR University of Health Sciences
M.B.B.S. PHASE - I Degree Examination - DECEMBER 2015
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Time: 3 Hrs. [Max. Marks: 100]
PHYSIOLOGY - PAPER II (Revised Scheme)
QP Code: 1054
Your answers should be specific to the questions asked.
Draw neat labeled diagrams wherever necessary.
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LONG ESSAY 2 X 9 = 18 Marks
- Illustrate the Ovarian, endometrial and hormonal changes in menstrual cycle. What is amenorrhea and when does it occur physiologically?
- Describe the pupillary reflexes and their pathways. Add a note on Argyll — Robertson pupil
SHORT ESSAY 10 X 5 = 50 Marks
- Describe the Righting Reflexes, their significance and neural level of integration
- Describe the circulation and functions of Cerebro Spinal Fluid (CSF)
- What are the effects of Hemisection of spinal cord?
- Describe the mode of Hypothalamic regulation of pituitary hormones
- Describe the characteristics of REM (Rapid Eye Movement) sleep
- Describe neuro endocrine reflexes with examples
- How is Crossed Extensor reflex elicited? Draw a diagram of its neural circuit and mention its purpose
- What are the types of summation and how are they demonstrated?
- Describe briefly the principal actions of Insulin
- Draw a sketch of nerve action potential, label its components and explain their causation.
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SHORT ANSWERS 16 X 2 = 32 Marks
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- Name some abnormal involuntary movements and the sites of lesion
- Define Rheobase, utilization time and Chronaxie
- What are the locations of osmo receptors and their functions?
- Name the factors necessary for spermatogenesis
- Mention the differences between local potential and action potential
- What is Lorain Dwarfism and its causes?
- What is Cryptorchidism and its effects on testis?
- Where is aqueous humor distributed in the eye and what are its functions?
- Name the middle ear ossicles. What are their functions in sound transmission?
- What is Fovea centralis and why it has highest visual acuity?
- What are the causes for latent period in simple muscle twitch?
- Name two anticholinesterase drugs acting at neuro muscular junction
- Name any two special features of olfactory sensation
- Name the thermoreceptors in the skin
- Name the function of brown fat under the skin?
- What are anosmia and hyposmia? Mention any common cause
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