Download BDS Ist YEAR EXAMINATION 2008-09

MBBS I (First) Professional Examination 2011-12
Course Code:MBS102
Paper ID: 0322206
Physiology -II
Time: 2 Hours 40 Minutes
Max Marks: 40
Note: Attempt all questions. Draw proper diagrams to support
your answer.
Part ‘B’
1.
Describe the heart sounds and comment on their clinical
significance.
(8)
2.
Describe the composition and function of salivary juice.
Also comment on the regulation of salivary secretion. (8)
3.
Describe the reaction of oxygen with hemoglobin and the
oxygen hemoglobin dissociation curve.
(8)
4.
a)
b)
Comment on the following:
Glomerular filtration rate
Blood groups
a)
b)
c)
d)
Write short notes on:
SA Node
Erythropoietin
Surfactant
Renin
5.
(4+4)
(2x4=8)
MBBS I (First) Professional Examination 2011-12
Roll No.
Student’s Name
Student’s Signature
Invigilator’s Signature
Course Code:MBS102
Paper ID: 0322206
Physiology - II
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.
c)
CO
d)
NO2
Q.1
Renal plasma flow can be measured by
performing:
Q.6
In chloride shift, which ion moves out of
a)
PAH clearance
RBC into plasma:
b)
Inulin clearance
Na 
a)
b)
H
c)
Urea clearance
HCO3
c)
d)
K
d)
Creatinine clearance
Q.7
Movement of which muscle accounts for
Q.2
Which post of nephron dip deeper into
75% of change in intrathorasic volume
medullarg
interstitium
from
during quiet inspiration:
juxtramedollary nephrons as compared to
a)
Diaphragm
cortical nephrons:
b)
Internal intercostals
a.
PCT
c)
External intercostals
b.
DCT
d)
Anterior abdominal wall muscles
c.
Loop of Henle
d.
Collecting ducts
Q.8
Tone of muscles of which of the structures
show circadian rhythoi:
Q.3
Fluid becomes hypotonic in distal
a)
Oesophagus
consoluted tubule because thick ascending
b)
Trachea
limb of loop of henle reabsorbs:
c)
Bronchioles
a)
High quantity of Na+
d)
Stomach
b)
High quantity of Clc)
Low amount of water
Q.9
Plasma osmotic pressure is maintained to a
d)
High quantity of K+
large extent by:
a)
Globutea
Q.4
Glucose and amino acids are absorbed from
b)
Fibrinogen
proximalcixcoluted tubule mostly by:
c)
Albumin
a)
Primary actioe transport
d)
Immuno globulins
b)
Secondary actioe transport
c)
Diffusion
Q.10 Sickle cell anemia confers resistance to:
d)
Fairlrtated diffusion
a)
Choleria
b)
Malaria
Q.5
Hemoglobin show highest affinity to
c)
Arthritis
combine with:
d)
Viral hepatitis
a)
O2
b)
CO2
PTO
Q.11
Q.12
The organ that acts as blood filter that
removes spherocytes and other abnormal
cells from blood is:
a)
Spleen
b)
Liver
c)
Lymph nodes
d)
Thyrous
On injury to blood vessel, platelets adhere
to the exposed collagen and:
a)
Thrombopoietin
b)
Vitamin K
c)
ADP
d)
Von Willebrand factor
Q.13
Depolarization in ventricular muscle fiber
in heart occurs due to rapid influx of:
a)
K+
b)
Cl+
c)
Na
d)
Ca2+
Q.14
Which one of the structures is the only
conducting pathway between astria and
vent rides :
a)
SA node
b)
AV node
c)
Interventricular septum
d)
Intevatrial septum
Q.15
Mean blood pressure is equal to the:
a)
Diastolic pressure plus one third
systolic pressure.
b)
Systolic pressure plus one third
pulse pressure
c)
Diastolic pressure plus one third
pulse pressure
d)
Systolic pressure plus one third
diasfolic pressure
of
of
of
of
Q.16
The strength of the arterial pulse is
determined by:
a)
Systolic pressure
b)
Diastolic pressure
c)
Pulse pressure
d)
Mean pressure
Q.17
Frequency of basic electric rhythm (BER)
is highest at the level:
a)
Duodinum
b)
Proxinaal jejunum
c)
Distal jejunum
d)
Ileum
Q.18
Brush border is present at the apical surface
of epithielial cells of:
a)
b)
c)
d)
Oesophagus
Stomach
Colon
Small intestine
Q.19
Which one of the bile juice components
undergo enterohepatic circulation:
a)
Cholisterol
b)
Bibirubin
HCO3
c)
d)
Bile salts
Q.20
Presence of which of the components in
diet in sufficient amounts can reduce the
incidence of diverticulitis, cancer colon,
diabetes mellitus and coronary heart
disease:
a)
Fiber
b)
Proteins
c)
Vitamin C
d)
Fats