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Download RUHS MBBS 1st Year Physiology Paper II Apr 2023 Question Paper

Download RUHS (Rajasthan University for Health Sciences) MBBS (Bachelor of Medicine and Bachelor of Surgery) 1st Year (First Year) Physiology Paper II Apr 2023 Previous Question Paper

This post was last modified on 22 September 2025

RUHS
First Year MBBS Examination
I MBBS PHYSIOLOGY PAPER II
Time: 3 hours Date: 11-04-2023 Max Marks:
100

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Instructions: INSTRUCTIONS: Attempt all
questions in both sections: (Use separate
answer book for each section)
Section 1
1. Fill in the blanks: (6)

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a. Life span of RBC is _____________ days.
b. Intrinsic factor is secreted by which
_____________ cells.
c. Cholelithiasis is presence of stone in
_____________

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d. Capillaries are called as _____________
vessels.
e. Erythropoietin is produced mainly by
_____________
f. Sympathetic stimulation of parotid gland

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results in _____________ secretion of saliva.
2. Choose the correct option in the following
multiple choice questions: (4)
a. Normochromic macrocytic RBCs are found in
a) Megaloblastic anemia b) Iron deficiency

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anemia c) Hemorrhagic anemia d) Sickle cell

anemia
b. Shift of oxygen-haemoglobin dissociation
curve to the right can occur due to a)
Decreased H ion concentration b) Increased

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CO2 concentration c) Decreased temperature
d) Presence of large quantities of foetal
haemoglobin
c. The law relating to distending pressure and
tension in a blood vessel wall is, a) Frank-

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starling's law b) Marey's law c) Law of
Laplace d) Einthoven's law
d. Tendency of turbulent flow is maximum in; a)
Arterioles b) Capillaries c) Aorta d) Inferior
vena cava

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3. A 40-year old male met with an accident.
He fell on the ground and got multiple injuries.
He was taken to the casualty of a nearby
hospital after 1 hour. He was bleeding
profusely from his wounds. He was drowsy.

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On examination, it was found that his radial
pulse was 115/ mins and thready. His skin was
pale, extremities were cold. Arterial blood
pressure was 70/50mm of Hg. a) What is your
probable diagnosis? b) What was cause of

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rapid pulse and his cold clammy skin? c) What
is the physiological basis of management?
(15)
4. Write short notes on (Any five) (10)
a. Lung surfactant

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b. Landsteiner law
c. Deglutition apnoea (C1-215)
d. QRS complex
e. Plasma proteins
f. Segmentation contraction

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5. Explain briefly (Any three): (15)
a. Juxta glomerular apparatus
b. Regulation of hydrochloric acid (HCl)
secretion
c. Heart sounds (A.544) (B.211) (C1-282,291)

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d. Stagnant hypoxia

Section 2
1. Define cardiac output. Give its normal
value. Explain the determinants of cardiac
output. Mention the method of measuring

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cardiac output. Add a note on cardiac
index.
(20)
2. What will happen & why (Any Five) (10)
a. To pH urine at high altitude.
b. To gastric emptying time fatty diet. (A.274)

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(B.475)(C1-226)
c. To pulmonary blood flow distribution when
alveolar PO decreases.
d. If person has platelet count less than
50.000/uL. (C1-95)

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e. If plasma colloid osmotic pressure in
systemic circulation is decreased. (C1-57)
f. Level of vitamin B and folic acid in blood in
reduced.
3. Explain briefly (Any four) (20)

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a. Mismatched transfusion.
b. Transport maximum for glucose (C1-529)
c. Proton pump inhibitors.
d. Fats of haemoglobin (C2- 902)
e. Vitamin k.

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