Download RGUHS MBBS 1st Year 1023 Physiology Paper II 2024 December Question Paper

QP CODE: 1023

Rajiv Gandhi University of Health Sciences, Karnataka

MBBS Phase - I (CBME) Degree Examination - 09-Dec-2024

--- Content provided by‌ FirstRanker.com ---

Time: Three Hours Max. Marks: 100 Marks

PHYSIOLOGY – PAPER - II (RS-4)

Q.P. CODE: 1023

(QP contains two pages)

Your answers should be specific to the questions asked

--- Content provided by FirstRanker.com ---

Draw neat, labeled diagrams wherever necessary

LONG ESSAYS 2 x 10 = 20 Marks

1. Describe the connections and functions of basal ganglia. Add a note on disorders of basal ganglia
2. Discuss in detail the synthesis and actions of thyroid hormones. Add a note on Grave's disease

SHORT ESSAYS 8 x 5 = 40 Marks

--- Content provided by⁠ FirstRanker.com ---

3. Explain supra spinal control of stretch reflex
4. A 30 year old male who had a recent head injury complained of sudden increase in urine output. He also has immense thirst and nocturia. Blood and urine analysis showed FBS - 95mg/dl; serum osmolality - 305mOsm/kg of water, specific gravity of urine - <1.005; urine volume - 10L/day; urine glucose - nil
   1. What is the probable diagnosis?
   2. Name the hormone involved and its site of action
   3. What is the physiological basis of increased urine output in this condition?

--- Content provided by​ FirstRanker.com ---

5. Discuss the actions of testosterone and its regulation
6. Draw a neat labelled diagram of pain pathway. Add a note on gate control theory of pain
7. Explain the mechanism of excitation - contraction coupling in skeletal muscle
8. Describe the contents and functions of middle ear
9. Explain postural reflexes integrated at the level of medulla oblongata

--- Content provided by‍ FirstRanker.com ---

10. Describe the uterine changes during menstrual cycle. Add a note on hormonal basis for the same

SHORT ANSWERS 10 x 3 = 30 Marks

11. Explain classical conditioning
12. What is aldosterone escape?
13. List the functions of placental hormones

--- Content provided by​ FirstRanker.com ---

14. Explain compound action potential
15. Explain synaptic inhibition
16. Define brain death. List the features of brain death
17. Draw a labelled diagram of taste pathway
18. Explain the different waves of EEG

--- Content provided by‌ FirstRanker.com ---

19. Draw a neat labelled diagram of strength duration curve
20. What is VO2max?

Multiple Choice Questions 10 x 1 = 10 Marks

21. i) The processing of short-term memory to long-term memory is done in:
    1. Prefrontal cortex
    2. Hippocampus

    --- Content provided by‍ FirstRanker.com ---

    3. Neocortex
    4. Amygdala
22. ii) Capacitation of sperms takes place in:
    1. Seminiferous tubules
    2. Epididymis

    --- Content provided by FirstRanker.com ---

    3. Vas deferens
    4. Uterus
23. iii) Secretion of growth hormone increases with
    1. Increase in blood glucose level
    2. Increase in cortisol

    --- Content provided by​ FirstRanker.com ---

    3. Increase in free fatty acid level
    4. Increased sleep
24. iv) Action of progesterone:
    1. Causes uterine contraction
    2. Inhibits LH secretion

    --- Content provided by⁠ FirstRanker.com ---

    3. Decrease in body temperature
    4. Causes proliferative changes in uterus
25. v) Glucose increases plasma insulin by a process that involves:
    1. GLUT 1
    2. GLUT 2

    --- Content provided by FirstRanker.com ---

    3. GLUT 3
    4. SGLT 1

22. i) In moderate exercise the respiratory rate is increased due to response of:
    1. Proprioception receptors in the joints
    2. Decreased pCO2 in arterial blood

    --- Content provided by​ FirstRanker.com ---

    3. Increased pO2 in arterial blood
    4. J-receptor stimulation
23. ii) In muscle contraction all are true except:
    1. A band remains unchanged
    2. H zone disappears

    --- Content provided by‌ FirstRanker.com ---

    3. I band becomes wider
    4. Two Z lines come closer
24. iii) Transducin is required for:
    1. Smell
    2. Hearing

    --- Content provided by‌ FirstRanker.com ---

    3. Taste
    4. Vision
25. iv) The potential in the endolymph of inner ear
    1. End-plate potential
    2. Endo lymphatic potential

    --- Content provided by​ FirstRanker.com ---

    3. Action potential
    4. Cochlear microphonic potential
26. v) The body mass index to be considered as obesity if:
    1. More than 30kg/m²
    2. More than 25kg/m²

    --- Content provided by‌ FirstRanker.com ---

    3. Between 20-24kg/m²
    4. Less than 20kg/m²

*****

FirstRanker.com

--- Content provided by‌ FirstRanker.com ---