Download NTRUHS MBBS 1st Year 2022 January New folder 503A Physiology Paper I Question Paper

Download NTRUHS (Dr.NTR University of Health Sciences) MBBS First Year (1st year) 2022 January New folder 503A Physiology Paper I Previous Question Paper

Q.P. CODE:503-A

DR. NTR UNIVERSITY OF HEALTH SCIENCES:AP:VIJAYAWADA-520 008

M.B.B.S. DEGREE EXAMINATION ? JANUARY, 2022

FIRST M.B.B.S. EXAMINATION

PHYSIOLOGY

PAPER-I

Time : 2 ? Hours Max. Marks : 80
Note: Answer all questions
Illustrate your answers with suitable diagrams


1) With the help of a suitable diagram, describe the 02-Hb



dissociation curve and mention two factors shifting the

(6+2+4+3)

curve to right. Enumerate four special features of
pulmonary circulation. What is Haldane effect?



2) Define systolic and diastolic blood pressure and give their

normal values. Explain the baroreceptor reflex in response
to decreased blood pressure.





SHORT ANSWER QUESTIONS: 5X4=20

3) hypotension



4) Facilitated diffusion



5) Mechanism of humoral immunity



6) Megaloblastic anemia



7) Mechanism of HCI secretion from stomach



WRITE BRIEFLY ON:

5X2=10

8) Regulation of pancreatic secretion Mechanism and



function of peristalsis and segmental

9) contraction of intestine



10) A new born male presented with anemia, jaundice and



generalized edema. His blood group was AB+ and the

mother's blood group was A-. Three years back his sister

was born and she was normal with blood group of A+.



a) What is your provisional diagnosis?

b) What is the cause of anaemia?

c) How will you treat this condition?


d) How could you have prevented these symptoms?

11) Counter current multiplier Mechanism of glucose



absorption in renal tubule

12) A 70 year old male presented with breathlessness on



exertion. On examination, his pulse was 110/min and he

had edema in the ankle and feet. The liver and spleen were

found to be enlarged and jugular venous pulse was raised.

a) What is your probable diagnosis?

b) Explain the pathophysiology of edema in this condition

c) Mention one drug treat this condition and write its

mechanism of action.



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