KALOJI NARAYANA RAO UNIVERSITY OF
HEALTH SCIENCES
TELANGANA STATE, WARANGAL - 506 002
FIRST MBBS DEGREE SUPPELEMENTARY
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EXAMINATIONS: JUNE, 2023PHYSIOLOGY
PAPER-I
(NEW SCHEME)
Time: 3 Hours.
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Max Marks: 100Note: Answer all questions.
Give Diagrammatic representation wherever necessary.
Write an essay on the following: 2 X 15=30
1) A premature infant at 27 weeks gestation develops
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respiratory distress syndrome which require intubationand surfactant treatment
a) What is surfactant: how it is produced? Give its
chemical constituents.
b) What are the various functions of surfactant?
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c) What is the physiological basis of treatment with thesurfactant in this case.
2) A 60-year-old man with congestive cardiac failure who
is on diuretics since last 3 weeks, returns to his physician
with the complaints of weakness, fatigue and dizziness.
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Investigation shows hypokalaemia and he is started
treatment of potassium which shows improvement in his
symptoms.
a) what are the normal potassium concentration in ECF
and ICF?
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b) what is RMP? What is the role of K in itsdevelopment?
c) what are the mechanisms of developing the
symptoms in this case due to low K concentrations?
Write a short essay on the following: 8X5=40
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3) Define homeostasis. Explain the various homeostaticmechanisms with suitable examples.
4) Classify WBCs. Describe the structure and functions
of each of the WBCs.
5) Give the composition of pancreatic secretion. Add a
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note function of pancreatic juice.6) Give an account of role of renal tubules in urine
formation.
7) Define cardiac cycle. Enumerate the events occurring
in it. Describe the ventricular events in detail.
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8) Describe the Extrinsic mechanism of coagulation. Adda note on Hemophilia.
9) Define vital capacity. What is its normal value in
males and females? Discuss the factors affecting the vital
capacity.
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10) Discuss the rights and duties of patient.Write briefly on the following: 10 X 3=30
11) Mention the different methods of measurement of
cardiac output.
12) Give an account of baroreceptors reflex.
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13) Enumerate the renal function tests. Describe in detailany one of it.
14) Write in short the functions of small intestine.
15) Erythroblastosis fetalis.
16) Secondary active transport.
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17) What is nitrogen narcosis? How it is developed?18) What is the role of memory T cells in immunity?
19) Write in brief about the role of gut microbes in large
intestine.
20) Draw a well labelled diagram of ECG in lead II.
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