Download BDS Ist YEAR EXAMINATION 2008-09

MBBS I (First) Professional Examination 2012-13
Course Code:MBS102
Paper ID:0322128
Physiology -I
Time: 2 Hours 40 Minutes
Max Marks: 40
Note: Attempt all questions. Draw proper diagrams to support
your answer.
Part ‘B’
1. a)
b)
Describe the mechanism of peristalsis.
(5)
Describe the mechanism of secretion of HCl in
stomach.
(5)
2.
Define blood pressure. Discuss the role of rennin
angiotension system in regulation of blood pressure. (10)
3.
Define GFR and its determinants. Describe the renal
function test to determine GFR.
(10)
4.
a)
b)
c)
d)
Write short notes on:
(2.5x4=10)
Counter current exchange mechanism
Renal tubular transport maximum for glucose.
Facilitated diffusion.
Hypoxic hypoxia.
MBBS I (First) Professional Examination 2012-13
Roll No.
Student’s Name
Student’s Signature
Invigilator’s Signature
Course Code:MBS102
Paper ID:0322128
Physiology - I
Part ‘A’
Time: 20 Minutes
Max Marks: 10
Note: 1. Attempt all questions and return this part of the question paper to the invigilator after 20 Minutes.
2. Please tick (√) correct one only. Cutting, overwriting or any other marking are not allowed.
3. For answering please use Ball- pen only.
Q.1
Cell membrane:
a)
Formed
entirely
of
protein
molecules
b)
Is impermeable to fat soluble
molecules
c)
Permit transport of glucose at faster
rate in some tissues in presence of
insulin
d)
Is not changed throughout life
Q.2
Action of plasmin is:
a)
To remove calcium
b)
Antithrombin action
c)
To stimulate heparin
d)
To degenerate fibrin
Q.3
First heart sound during the period of:
a)
Isometric relaxation
b)
Isotonic relaxation
c)
Isovolumetric contraction
d)
Isovolumetric relaxation
Q.4.
Q.5
Q.6
a)
b)
c)
d)
Q.7
An example of co transport is:
a.
Na-K pump
b.
Ca pump
c.
Na glucose transport
d.
Na-H transport
Q.8
“Milieu interior” term was coined by:
a)
Caude Bernard
b)
Boyle
c)
Laplace
d)
Landstenier
Q.9
The number of O2 molecules carried by
each molecule of hemoglobin is:
a)
6
b)
4
c)
8
d)
2
Q.10
Which is the most rare blood group?:
a)
A Rh+
b)
B Rh+
c)
AB Rh
d
AB Rh-
Q.11
Which of these vessels does not have
sympathetic control?:
a)
Cardiac
b)
Splancnic
c)
Cutaneous
d)
Cerebral
Q.12
Marry’s law denotes the relationship
between heart and:
a)
Contractility and conductivity
PTO
The normal value of FEV1 is:
a)
80%
b)
95%
c)
65%
d)
50%
Which of the following has highest pH?:
a)
Saliva
b)
Gastric juice
c)
Pancreatic secretion
d)
Bile in gall bladder
Tubular reabsorption in kidneys:
Includes only passive transport
Is linked to ATP synthesis
Occurs by pinocytosis for Na and K
Is highly selective process
b)
c)
d)
Rate and contractility
Rate and blood pressure
Contractility and blood pressure
Q.13
Which of the following discharges
spontaneously during quiet breathing?:
a)
Dorsal respiratory group of neurons
b)
Ventral respiratory group of neurons
c)
Strech receptors of lung
d)
Moter neurons in respiratory
muscles
Q.14
The intrapleural pressure at the end of deep
inspiration is:
a)
+4 mm of Hg b)
-6 mm of Hg
c)
-4 mm of Hg d)
+6 mm of Hg
Q.15
All are GI hormones Except:
a)
Gastrin
b)
VIP
c)
Secretin
d)
Erythropoetin
Q.16
Iron is absorbed in:
a)
Duodenum
b)
Stomach
c)
Jejunum
d)
Ileum
Q.17
The thick ascending segment of loop of
Henle is:
a)
Highly permeable to water
b)
Impermeable to water
c)
Impermeable to solutes
d)
Is highly convoluted
Q.18
GFR is normally:
a)
80% of renal plasma flow
b)
Increased by increasing glomerular
colloid osmotic pressure.
c)
Decreased
with
increased
glomerular hydrostatic pressure
d)
Decreased by increasing Bowman’s
capsule hydrostatic pressure
Q.19
In a blood sample hematocrit was found
45% by the pathologist. It means:
a)
45% hemoglobin is in plasma
b)
45% of total blood volume is made
up of plasma
c)
45% of total blood volume is made
up of RBC and WBC
d)
45% of Hemoglobin is in RBC
Q.20
Renal fraction is determined by:
a)
Cardiac output and renal blood flow
b)
Cardiac output and GFR
c)
GFR and renal blood flow
d)
GFR and renal plasma flow